Geoffrey Bower Publications

Refereed Publications

1. Fruchter, A.S., Berman, G., Bower, G., Convery, M., Goss, W.M., Hankins, T.H., Klein, J.R., Nice, D.J., Ryba, M.F., Stinebring, D.R., Taylor, J.H., Thorsett, S.E. & Weisberg, J.M., 1990, ``The eclipsing millisecond pulsar PSR 1957+20,'' ApJ, 351, 642 
ADS reference

2. Rogers, A.E.E., Doeleman, S., Wright, M.C.H., Bower, G.C., Backer, D.C., Padin, S., Phillips, J.A., Emerson, D.T., Greenhill, L., Moran, J.M. & Kellerman, K.I., 1994, ``Small-Scale Structure and Position of Sagittarius A* From VLBI At 3 Millimeter Wavelength,'' ApJ, 434, L59 
ADS reference

3. Filippenko, A.V., Barth, A.J., Bower, G.C., Ho, L.C., Stringfellow, G.S., Goodrich, R.W. & Porter, A.C., 1995, ``Was Fritz Zwicky's `Type V' SN 1961V A Genuine Supernova?'' AJ, 110, 2261 
ADS reference

4. Bower, G.C., Backer, D.C., Plambeck, D., Wright, M., 1997, ``Removal of Tropospheric Path Length Variations in Very Long Baseline Interferometry with Measurement of Tropospheric Emission,'' J. Geophys. Res., 102, 16773 
ADS Reference,OJPS Link,JGR, postscript

5. Bower, G.C., Backer, D.C., Wright, M., Forster, J.R., Aller, H.D. & Aller, M.F., 1997, ``A Dramatic Millimeter Wavelength Flare in the Gamma Ray Blazar NRAO 530,'' ApJ, 484, 118 
ApJ HTML

6. Bower, G.C. & Backer, D.C., 1998, ``7 mm VLBA Observations of Sgr A*,'' ApJL, 496, 97
ApJ HTML , xxx-lanl reference 

7. Bower, G.C. & Backer, D.C., 1998, ``Space VLBI Observations Show T_b > 10^12K in the Quasar NRAO 530,'' ApJL, 507, 117 
ApJ HTML, xxx-lanl reference

8. Falcke, H., Bower, G.C., Lobanov, A.P., Krichbaum, T., Patnaik, A.R., Aller, M.F., Aller, H.D., Tera"sranta, Wright, M.C.H. & Sandell, G., 1999, ``A Major Radio Outburst in III Zw 2 with an Extremely Inverted, Millimeter-peaked Spectrum,'' ApJL, 514, L17
ApJ HTML, xxx-lanl reference

9. Bower, G.C., Backer, D.C.,  Zhao, J.-H., Goss, M. & Falcke, H., 1999, ``The Linear Polarization of Sagittarius A* I. VLA Spectro-polarimetry at 4.8 and 8.4 GHz,'' ApJ, 521, 582
ApJ HTML, xxx-lanl reference, preprint

10. Bower, G.C., Falcke, H. & Backer, D.C., 1999, ``Detection of Circular Polarization in the Galactic Center Black Hole Candidate Sagittarius A*,'' ApJL, 523, L29
ApJL HTML, xxx-lanl reference, preprint

11. Bower, G.C., Wright, M.C.H., Backer, D.C. & Falcke, H., 1999, ``The Linear Polarization of Sagittarius A* II. VLA and BIMA Polarimetry at 22, 43 and 86 GHz,''  ApJ, 527, 851
ApJ HTML, xxx-lanl reference, preprint

12. Brunthaler, A., Falcke, H., Bower, G.C., Aller, M.F., Aller, H.D., Terasranta, H., Lobanov, A.P., Krichbaum, T.P., & Patnaik, A.R., 2000, ``III Zw 2, the first superluminal jet in a Seyfert galaxy'', A&A, 357, L45
A&A HTML,xxx-lanl reference, preprint

13. Zhao, J.-H., Bower, G.C. & Goss, W.M., 2001, ``Radio Variability of Sagittarius A* -- a 106 Day Cycle,'' ApJL, 547, 29
ApJL HTML, xxx-lanl reference, preprint 

14. S. S. Doeleman, Z.-Q. Shen, A. E. E. Rogers, G. C. Bower, M. C. H. Wright, J. H. Zhao, D. C. Backer, J. W. Crowley, R. W. Freund, P. T. P. Ho, K. Y. Lo, and D. P. Woody, 2001, ``Structure of Sagittarius A* at 86 GHz using VLBI Closure Quantities,'' AJ 121, 2610
AJ HTML, xxx-lanl reference, preprint 

15. Bower, G.C., Backer, D.C. & Sramek, R.A., 2001, ``VLBA Observations of Astrometric Reference Sources in the Galactic Center,'' ApJ, 558, 127
ApJ HTML, xxx-lanl reference, preprint

16. Bower, G.C., Wright, M.C.H., Falcke, H. & Backer, D.C., 2001, ``BIMA Observations of Linear Polarization in Sagittarius A* at 112 GHz,'' ApJL 555, L103
ApJL HTML, xxx-lanl reference, preprint

17. Brunthaler, A., Bower, G.C., Falcke, H. and Mellon, R.R.,  2001,``Detection of Circular Polarization in M81*,'' ApJL 560, L123
ApJL HTML, xxx-lanl reference, preprint 

18. Bower, G.C., Falcke, H., Sault, R.J. and Backer, D.C., 2002,``The Spectrum and Variability of Circular Polarization in Sagittarius A* from 1.4 to 15 GHz,'' ApJ, 571, 843
ApJ HTML, xxx-lanl reference, preprint

19. Bower, G.C., Falcke, H. and Mellon, R.R., 2002,``A Radio Survey for Linear and Circular Polarization in Low Luminosity Active Galactic Nuclei,''ApJL, 578, L103
ApJL HTML, xxx-lanl reference, preprint

20. Zhao, J.-H., Young, K.H.,  Herrnstein, R.M., Ho, P.T.P., Tsutsumi, T., Lo, K.Y., Goss, W.M. & Bower, G.C., 2003, ``Variability of Sagittarius A* --- Flares at 1 Millimeter,'' ApJL, 586, L29
ApJL HTML, xxx-lanl reference, preprint

21. Bower, G.C., Wright, M.C.H., Falcke, H. and Backer, D.C., 2003,``Interferometric Detection of Linear Polarization in Sagittarius A* at 230 GHz,'' ApJ, 588, 331
ApJ HTML, xxx-lanl reference, preprint

22. Bower, G.C., Plambeck, R.L., Bolatto, A., McCrady, N., Graham, J.R., de Pater, I., Liu, M.C. & Baganoff, F.K., 2003, ``A Giant Outburst at Millimeter Wavelengths in the Orion Nebula,'' ApJ, 598, 1140
ApJ HTML , xxx-lanl reference, preprint

23. Zhao, J.-H., Herrnstein, R.M., Bower, G.C., Goss, W.M., & Liu, S.M., 2004, `` A Radio Outburst Coincident with the Large X-Ray Flare from Sagittarius A* on 2002-10-23,'' ApJL, 603, 85
xxx-lanl reference,ApJL

 

24. Bower, G.C., Falcke, H., Herrnstein, R.M., Zhao, J.-H., Goss, W.M., & Backer, D.C., 2004, ``Detection of the Intrinsic Size of Sagittarius A* through Closure Amplitude Imaging ,'' Science, 304, 704
Science Express, xxx-lanl reference, Main Text Preprint, Supporting Online Material Preprint

 

25. Herrnstein, R.M., Zhao, J.-H., Bower, G.C., & Goss, W.M., 2004, `` The Variability of Sagittarius A* at Centimeter Wavelengths,''
AJ, 127, 3399
AJ

26. Curran, S.J., Murphy, M.T., Pihlstrom, Y.M., Webb, J.K., Bolatto, A.D. & Bower, G.C., 2004, ``Molecular Fraction Limits in Damped Lyman-alpha Absorption Systems ,'' MNRAS, 352, 563
MNRAS link xxx-lanl reference

27. Haiman, Z., Quataert, E., & Bower, G.C., 2004, ``Modeling the Counts of Faint Radio Loud Quasars: Constraints on the Supermassive Black Hole Population and Predictions for High Redshift'', ApJ, 612, 698
ApJ, xxx-lanl reference

28. Eckart, A., Baganoff, F.K., Morris, M., Bautz, M.W., Brandt, W.N., Garmire, G.P., Genzel, R., Ott, T., Ricker, G.R., Straubmeier, C., Viehmann, T., Schödel, R., Bower, G.C. & Goldston, J.E., 2004, ``First Simultaneous NIR/X-ray Detection of a Flare from SgrA*,'' A&A, 427, 1
A&A, xxx-lanl reference

29. Darling, J., Giovanelli, R., Haynes, M., Bolatto, A., Bower, G.C., 2004, ``Detection of 21 cm HI Absortion at Z=0.78 in a Survey of Radio Continuum Sources,'' ApJL, 613, L101
ApJL, xxx-lanl reference

30. Bower, G.C., Falcke, H., Wright, M.C.H., and Backer, D.C., 2005,``Variable Linear Polarization from Sagittarius A*: Evidence for a Hot Turbulent Accretion Flow'' ApJL, 618, L29
ApJL, xxx-lanl reference

31. Bower, G.C., 2005, ``Radio Frequency Interference Mitigation for Detection of Extended Sources with an Interferometer,'' Radio Science, 40, RS5S07
Radio Science, xxx-lanl

32. Brunthaler, A., Falcke, H., Bower, G.C., Aller, M.F., Aller, H.D. & Terasranta, H., 2005, ``The Extreme Flare in III Zw 2: Evolution of a Radio Jet in a Seyfert Galaxy,'' A&A, 435, 497
A&A, xxx-lanl

33. Bower, G.C., Roberts, D.A., Yusef-Zadeh, F., Backer, D.C., Cotton, W.D., Goss, W.M., Lang, C.C., Lithwick, Y., 2005, ``A Radio Transient 0.1 pc from Sagittarius A*,'' ApJ, 633, 218
ApJ, astro-ph,Preprint

34. Muno, M.P., Bower, G.C., Burgasser, A., Baganoff, F.K., Morriss, M.R., & Brandt, W.N., 2006, ``Isolated, Massive Supergiants near the Galactic Center,'' ApJ, 638, 183
ApJ, astro-ph

35. Macquart, J.-P. & Bower, G.C., 2006, ``Understanding the Radio Variability of Sgr A*,'' ApJ, 641, 302
ApJ, astro-ph

36. Yusef-Zadeh, F., Dowell, C.D., Wardle, M., Roberts, D., Heinke, C., Bower, G.C., Vila Vilaro, B., Shapiro, S., Goldwurm, A., & Belanger, G., 2006, `` A Multi-Wavelength Study of Sgr A*: The Role of Near-IR Flares in Production of X-ray, Soft $\gamma$-ray and Sub-millimeter Emission,'' ApJ, 644, 198
ApJ, astro-ph

37. Eckart, A., Baganoff, F.K., Sch\"odel, R., Morris, M., Genzel, R., Bower, G.C., Marrone, D., Moran, J.M., Viehman, T., Bautz, M.W., Brandt, W.N., Garmire, G.P., Ott, T., Trippe, S., Ricker, G.R., Straubmeier, C., Roberts, D.A., Yusef-Zadeh, F., Zhao, J.-H., & Rao, R., 2006, ``The Flare Activity of Sagittarius A*: New coordinated mm to X-ray Observations,'' A&A, 450, 535
A&A, astro-ph

38. Brunthaler, A., Bower, G.C., & Falcke, H., 2006, ``Radio Linear and Circular Polarization from M81*,'' A&A, 451, 845
A&A, astro-ph

39. Macquart, J.-P., Bower, G.C., Wright, M.C.H., Backer, D.C., & Falcke, H., 2006, ``The Rotation Measure and 3.5 mm Polarization of Sgr A*,'' ApJL, 646. 111
ApJL, astro-ph

40. Yusef-Zadeh, F., Roberts, D., Wardle, M., Heinke, C., & Bower, G.C., 2006, ``Flaring Activity of Sgr A* at 43 and 22 GHz: Evidence for Expanding Hot Plasma,'' ApJ, 650, 189
ApJ, astro-ph

41. Bower, G.C., Goss, W.M., Falcke, H., Backer, D.C., & Lithwick, Y., 2006, ``The Intrinsic Size of Sagittarius A* from 0.35 cm to 6 cm,'' ApJL, 648, 127
ApJL, xxx-lanl

42. Saul, D. & Bower, G.C., 2006, ``Looking for the Elusive: Mining the VLA Archives for Radio Transients,'' Am.J.Undergrad.Res., 5, 13

43. Schodel, R., Eckart, A., Muzic, K., Meyer, L, Viehmann, T., & Bower, G.C., 2007, ``Evidence for detectability of Sagittarius A* at 8.6 um,'' A&A, 461, L1
A&A, astro-ph

44.  Bower, G.C., Saul, D., Bloom, J.S., Bolatto, A., Filippenko, A.V., Foley, R.J., Perley, D., 2007, ``SubmilliJanksy Transients in Archival Radio Observations,'' ApJ, 666, 346
ApJ, astro-ph, preprint with high quality figures

45. Markoff, S, Bower, G.C., & Falcke, H., 2007, ``How to hide large scale outflows: size constraints on the jets of Sgr A*,'' MNRAS, 379, 1519
MNRAS, astro-ph

46.  Sandstrom, K.M.,Peek, J.E.G., Bower, G.C., Bolatto, A., & Plambeck, R.L., 2007, ``A Parallactic Distance of 389 +24 -21 parsecs to the Orion Nebula Cluster from Very Long Baseline Array Observations,'' ApJ, 667, 1169
ApJ, astro-ph

47.  Markoff, S., Nowak, M., Young, A., Marshall, H.L., Canizares, C.R., Peck, A., Krips, M., Petipas, G., Schodel, R., Bower, G.C., Chandra, P., Ray, A., Muno, M., Gallagher, S., Hornstein, S., Cheung, C.C., 2008, ``Results from an extensive simultaneous broadband campaign on the underluminous active nucleus M81*:  further evidence for mass-scaling accretion in black holes,''  ApJ, 681, 905
ApJ, astro-ph

48. Marrone, D.P., Baganoff, F. K. , Morris, M.,  Moran, J. M.,  Ghez, A. M., Hornstein, S. D. , Dowell, C. D., Munoz, D. J., Bautz, M. W., Ricker, G. R., Brandt, W. N.,  Garmire, G. P., Lu, J. R., Matthews, K., Zhao, J. -H., Rao, R., and Bower, G. C., 2008, ``An X-Ray, IR, and Submillimeter Flare of Sagittarius A*,'' ApJ, 682, 373
ApJ, astro-ph

 49. Doeleman, S. S.; Weintroub, Jonathan; Rogers, Alan E. E.; Plambeck, Richard; Freund, Robert; Tilanus, Remo P. J.; Friberg, Per; Ziurys, Lucy M.; Moran, James M.; Corey, Brian; Young, Ken H.; Smythe, Daniel L.; Titus, Michael; Marrone, Daniel P.; Cappallo, Roger J.; Bock, Douglas C.-J.; Bower, Geoffrey C.; Chamberlin, Richard; Davis, Gary R.; Krichbaum, Thomas P.; Lamb, James; Maness, Holly; Niell, Arthur E.; Roy, Alan; Strittmatter, Peter; Werthimer, Daniel; Whitney, Alan R.; Woody, David, 2008, ``Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre,'' Nature, 455, 7209, 78
Nature, astro-ph

50. Muno, M. P., Bauer, F. E., Baganoff, F. K., Bandyopadhyay, R. M., Bower, G. C., Brandt, W. N., Broos, P. S., A. Cotera,, Eikenberry, S. S., Garmire, G. P., Hyman, S. D., Kassim, N. E., Lang, C. C., Lazio, W. T. J., Law, C., Mauerhan, J. C., Morris, M. R., Nagata, T., Nishiyama, S., Park, S., Ram`irez, S. V., Stolovy, S. R., Wijnands, R., Wang, Q. D., Wang, Z., and Yusef-Zadeh, F., 2009, ``A Catalog of X-ray Point Sources from Two Megaseconds of Chandra Observations of the Galactic Center,'' ApJS, 181, 110
ApJS, astro-ph

51.  Falcke, H., Markoff, S., and Bower, G.C., 2009, ``Jet-lag in Sgr A*:  What Size and Timing Measurements Tell Us About the Central Black Hole in the Milky Way,'' A&A, 496, 77
A&A, astro-ph

52. Eckart, A., Baganoff, F.K., Morris, M.R., Kunneriath, D., Zamaninasab, M., Witzel, G., Schodel, R., Garcia-Mari, M., Meyer, L., Bower, G.C., Marrone, D., Bautz, M.W., Brandt, W.N., Garmire, G.P., Ricker, G.R., Straubmeier, C., Roberts, D.A., Music, K., Mauerhan, J., and Zensus, A., 2009, ``Modeling mm- to X-ray flare emission from Sgr A*,'' A&A, 500, 935
A&A, astro-ph

53. Brunthaler, A., Menten, K.M., Reid, M.J., Henkel, C., Bower, G.C., Falcke, H., 2009, ``Discovery of a bright radio transient in M 82: a new radio supernova?'', A&A, 499, L17
A&A, astro-ph

54. Bower, G.C., Bolatto, A., Ford, E.B., and Kalas, P., 2009, ``Radio Interferometric Planet Search I: First Constraints on Planetary Companions for Nearby, Low-Mass Stars from Radio Astrometry,'' ApJ, 701, 1922
ApJ, astro-ph

55. Welch, J., Backer, D., Blitz, L., Bock, D., Bower, G.C., Cheng, C., Croft, S., Dexter, M., Engargiola, G., Fields, E., Forster, J., Gutierrez-Kraybill, C., Heiles, C., Helfer, T., Jorgensen, S., Keating, G., Lugten, J., MacMahon, D., Milgrome, O., Thornton, D., Urry, L., van Leeuwen, J., Werthimer, D., Williams, P., Wright, M., Tarter, J., Ackermann, R., Atkinson, S., Backus, P., Barott, W., Bradford, T., Davis, M., DeBoer, D., Dreher, J., Harp, G., Jordan, J., Kilsdonk, T., Pierson, T., Randall, K., Ross, J., Shostak, S., Fleming, M., Cork, C., Vitouchkine, A., Wadefalk, N., and Weinreb, S., 2009, ``The Allen Telescope Array:  The First Widefield, Panchromatic, Snapshot Radio Camera for Radio Astronomy and SETI,'' Special Issue of Proceedings of the IEEE: "Advances in Radio Telescopes", Baars,J. Thompson,R., D'Addario, L., eds, 2009, 97, 8, 1438
IEEE, astro-ph

56. Yusef-Zadeh, F., Bushouse, H., Wardle, M.; Heinke, C., Roberts, D. A., Dowell, C. D., Brunthaler, A., Reid, M. J., Martin, C. L., Marrone, D. P., Porquet, D., Grosso, N., Dodds-Eden, K., Bower, G. C., Wiesemeyer, H., Miyazaki, A., Pal, S., Gillessen, S., Goldwurm, A., Trap, G., Maness, H., 2009, ``Simultaneous Multi-Wavelength Observations of Sgr A* During 2007 April 1-11,'' ApJ, 706, 348
ApJ, astro-ph

57. Williams, P.G.K. and Bower, G.C., 2010, ``Evaluating the Calorimeter Model with Broadband, Continuous Spectra of Starburst Galaxies Observed with the Allen Telescope Array,'' ApJ, 710, 1462
ApJ, astro-ph

58.  Jean-Pierre Macquart, the CRAFT collaboration: M. Bailes, N.D.R. Bhat, G.C. Bower, J.D. Bunton, S. Chatterjee, T. Colegate, J.M. Cordes, L. D'Addario, A. Deller, R. Dodson, R. Fender, K. Haines, P. Hall, C. Harris, A. Hotan, S. Johnston, D.L. Jones, M. Keith, J.Y. Koay, T.J.W. Lazio, W. Majid, T. Murphy, R. Navarro, C. Phillips, P. Quinn, R.A. Preston, B. Stansby, I. Stairs, B. Stappers, L. Staveley-Smith, S. Tingay, D. Thompson, W. van Straten, K. Wagstaff, M. Warren, R. Wayth, L. Wen, 2010, ``The Commensal Real-time ASKAP Fast Transients (CRAFT) survey,'' PASA, 27, 272
PASA, astro-ph

59.  Brunthaler, A., Marti-Vidal, I., Menten, K.M., Reid, M.J., Henkel, C., Bower, G.C., Falcke, H., Feng, H., Kaaret, P, Weiss, A., 2010, ``VLBI Observations of SN 2008iz:  I. Expansion velocity and limits on anisotropic expansion,'' A&A, 516, 27
A&A, astro-ph

60. Croft, S., Bower, G.C., et al., 2010, ``The Allen Telescope Array Twenty-Centimeter Survey --- A 690-Square-Degree, 12 -Epoch Radio Dataset --- I:  Catalog and Long-Duration Transient Statistics,'' ApJ, 719, 45
ApJ, astro-ph

61. A. A. Abdo, M. Ackermann, M. Ajello, W. B. Atwood, L. Baldini, J. Ballet, G. Barbiellini, D. Bastieri, K. Bechtol, R. Bellazzini, B. Berenji, R. D. Blandford, E. D. Bloom, E. Bonamente, A. W. Borgland, A. Bouvier, T. J. Brandt, J. Bregeon, A. Brez, M. Brigida, P. Bruel, R. Buehler, T. H. Burnett, S. Buson, G. A. Caliandro, R. A. Cameron, P. A. Caraveo, S. Carrigan, J. M. Casandjian, C. Cecchi, Ö. Çelik, E. Charles, S. Chaty, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, J. Cohen-Tanugi, J. Conrad, S. Corbel, R. Corbet, M. E. DeCesar, P. R. den Hartog, C. D. Dermer, F. de Palma, S. W. Digel, D. Donato, E. do Couto e Silva, P. S. Drell, R. Dubois, G. Dubus, D. Dumora, C. Favuzzi, S. J. Fegan, E. C. Ferrara, P. Fortin, M. Frailis, L. Fuhrmann, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, N. Gehrels, S. Germani, N. Giglietto, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I. A. Grenier, M.-H. Grondin, J. E. Grove, S. Guiriec, D. Hadasch, A. K. Harding, M. Hayashida, E. Hays, S. E. Healey, A. B. Hill, D. Horan, R. E. Hughes, R. Itoh, P. Jean, G. Jóhannesson, A. S. Johnson, R. P. Johnson, T. J. Johnson, W. N. Johnson, T. Kamae, H. Katagiri, J. Kataoka, M. Kerr, J. Knödlseder, E. Koerding, M. Kuss, J. Lande, L. Latronico, S.-H. Lee, M. Lemoine-Goumard, M. Llena Garde, F. Longo, F. Loparco, B. Lott, M. N. Lovellette, P. Lubrano, A. Makeev, M. N. Mazziotta, W. McConville, J. E. McEnery, J. Mehault, P. F. Michelson, T. Mizuno, A. A. Moiseev, C. Monte, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, T. Nakamori, M. Naumann-Godo, I. Nestoras, P. L. Nolan, J. P. Norris, E. Nuss, M. Ohno, T. Ohsugi, A. Okumura, N. Omodei, E. Orlando, J. F. Ormes, M. Ozaki, D. Paneque, J. H. Panetta, D. Parent, V. Pelassa, M. Pepe, M. Pesce-Rollins, F. Piron, T. A. Porter, S. Rainò, R. Rando, P. S. Ray, M. Razzano, S. Razzaque, N. Rea, A. Reimer, O. Reimer, T. Reposeur, J. Ripken, S. Ritz, R. W. Romani, M. Roth, H. F.-W. Sadrozinski, A. Sander, P. M. Saz Parkinson, J. D. Scargle, F. K. Schinzel, C. Sgrò, M. S. Shaw, E. J. Siskind, D. A. Smith, P. D. Smith, K. V. Sokolovsky, G. Spandre, P. Spinelli, L. Stawarz, M. S. Strickman, D. J. Suson, H. Takahashi, T. Takahashi, T. Tanaka, Y. Tanaka, J. B. Thayer, J. G. Thayer, D. J. Thompson, L. Tibaldo, D. F. Torres, G. Tosti, A. Tramacere, Y. Uchiyama, T. L. Usher, J. Vandenbroucke, V. Vasileiou, N. Vilchez, V. Vitale, A. P. Waite, E. Wallace, P. Wang, B. L. Winer, M. T. Wolff, K. S. Wood, Z. Yang, T. Ylinen, M. Ziegler, H. Maehara, K. Nishiyama, F. Kabashima, U. Bach, G. C. Bower, A. Falcone, J. R. Forster, A. Henden, K. S. Kawabata, P. Koubsky, K. Mukai, T. Nelson, S. R. Oates, K. Sakimoto, M. Sasada, V. I. Shenavrin, S. N. Shore, G. K. Skinner, J. Sokoloski, M. Stroh, A. M. Tatarnikov, M. Uemura, G. M. Wahlgren, M. Yamanaka, 2010, ``Gamma-Ray Emission Concurrent with the Nova in the Symbiotic Binary V407 Cygni,'' Sci, 329, 817
Science, astro-ph

62.  Geoffrey C. Bower, Steve Croft, Garrett Keating, David Whysong, Rob Ackermann, Shannon Atkinson, Don Backer, Peter Backus, Billy Barott, Amber Bauermeister, Leo Blitz, Douglas Bock, Tucker Bradford, Calvin Cheng, Chris Cork, Mike Davis, Dave DeBoer, Matt Dexter, John Dreher, Greg Engargiola, Ed Fields, Matt Fleming, R. James Forster, Colby Gutierrez-Kraybill, G.R. Harp, Carl Heiles, Tamara Helfer, Chat Hull, Jane Jordan, Susanne Jorgensen, Tom Kilsdonk, Casey Law, Joeri van Leeuwen, John Lugten, Dave MacMahon, Peter McMahon, Oren Milgrome, Tom Pierson, Karen Randall, John Ross, Seth Shostak, Andrew Siemion, Ken Smolek, Jill Tarter, Douglas Thornton, Lynn Urry, Artyom Vitouchkine, Niklas Wadefalk, Sandy Weinreb, Jack Welch, Dan Werthimer, Peter K.G. Williams, Melvyn Wright, 2010, ``The Allen Telescope Array Pi GHz Sky Survey I. Survey Description and Static Catalog Results for the Bootes Field,'' ApJ, 725, 1792
ApJ, astro-ph

63. Charles L. H. Hull, Geoffrey C. Bower, Steve Croft, Peter K. G. Williams, Casey Law, David Whysong, 2010, ``Primary Beam Shape Calibration from Mosaicked, Interferometric Observations,'' PASP, 122, 1510

PASP, astro-ph

 

64. K. Dodds-Eden, S. Gillessen, T. K. Fritz, F. Eisenhauer, S. Trippe, R. Genzel, T. Ott, H. Bartko, O. Pfuhl, G. C. Bower, A. Goldwurm, D. Porquet, G. Trap, F. Yusef-Zadeh, 2010, ``The two states of Sgr A* in the near-infrared: bright episodic flares on top of low-level continuous variability,’’ ApJ, 728, 37

ApJ, astro-ph

 

65. Law, C. J.; Gaensler, B. M.; Bower, G. C.; Backer, D. C.; Bauermeister, A.; Croft, S.; Forster, R.; Gutierrez-Kraybill, C.; Harvey-Smith, L.; Heiles, C.; Hull, C.; Keating, G.; MacMahon, D.; Whysong, D.; Williams, P. K. G.; Wright, M., 2011, ``Spectropolarimetry with the Allen Telescope Array: Faraday Rotation toward Bright Polarized Radio Galaxies,’’ ApJ, 728, 57

ApJ, astro-ph

 

66. G. R. Harp, R. F. Ackermann, Z. J. Nadler, M. M. Davis, M. C. H. Wright, J. R. Forster, Shannon Atkinson, D. C. Backer, P. R. Backus, William Barott, Amber Bauermeister, Samantha K. Blair, Leo Blitz, D.C.-J. Bock, Geoffrey C. Bower, Tucker Bradford, Calvin Cheng, Steve Croft, Matt Dexter, Dave DeBoer, John Dreher, Greg Engargiola, Ed Fields, Carl Heiles, Tamara Helfer, Jane Jordan, Susan Jorgensen, Tom Kilsdonk, Colby Gutierrez-Kraybill, Garrett Keating, Casey Law, John Lugten, D. H. E. MacMahon, Peter McMahon, Oren Milgrome, Andrew Siemion, Ken Smolek, Douglas Thornton, Tom Pierson, Karen Randall, John Ross, Seth Shostak, J. C. Tarter, Lynn Urry, W. J. Welch, Dan Werthimer, Peter K. G. Williams, David Whysong, 2011, ``Primary Beam and Dish Surface Characterization at the Allen Telescope Array by Radio Holography,’’ IEEE

 

67. Vincent L. Fish , Sheperd S. Doeleman, Christopher Beaudoin, Ray Blundell, David E. Bolin, Geoffrey C. Bower, Richard Chamberlin, Robert Freund, Per Friberg, Mark A. Gurwell, Mareki Honma, Makoto Inoue, Thomas P. Krichbaum, James Lamb, Daniel P. Marrone, James M. Moran, Tomoaki Oyama, Richard Plambeck, Rurik Primiani, Alan E. E. Rogers, Daniel L. Smythe, Jason SooHoo, Peter Strittmatter, Remo P. J. Tilanus, Michael Titus, Jonathan Weintroub, Melvyn Wright, David Woody, Ken H. Young, Lucy M. Ziurys, 2010, ``1.3 mm Wavelength VLBI of Sagittarius A*: Detection of Time-Variable Emission on Event Horizon Scales,’’ ApJL, 727, 36

ApJ, astro-ph

 

68. Geoffrey C. Bower and Destry Saul, 2011, ``A Search for Radio Transients in VLA Archival Images of the 3C 286 Field,’’ ApJL, 728, 14

69. Bower, G.C., 2011, ``Constraining the Rate of Relativistic Jets from Tidal Disruptions Using Radio Surveys,'' ApJL, 732, 12

 

70. Croft, S., Tomsick, J., and Bower, G.C., 2011, ``X-ray Counterparts to Radio Transients without Optical Hosts,’’ ApJ, submitted

 

71. Williams, P.G.K., Tomsick, J., Bodaghee, A., Bower, G.C., Pooley, G., Pottschmidt, K., Rodriguez, J., Wilms, J., Migliari, S., and Trushkin, S., 2011, ``The 2010 May Flaring Episode of Cygnus X-3 in Radio, X-Rays, and γ-Rays,’’ ApJL, submitted

ApJL, astro-ph

 

 

Thesis

The abstract, acknowledgements and table of contents for my thesis are available in postscript form. A compressed postscript copy of my thesis is also available: "High Frequency Very Long Baseline Interferometry Observations of Active Galactic Nuclei. 

Conference Proceedings, 
Memos and Presentations

1. Stinebring, D.R., Bower, G., Fruchter, A.S., Klein, J.R., Ryba, M., Taylor, J.H., Thorsett, S.E. & Weisberg, J.M., 1989, ``Eclipse Duration and Posteclipse Delay in PSR 1957+20,'' in Annals of the NY Academy of Sciences, 571, Fenyves, E.J., ed., 414 

2. Bower, G.C., Filippenko, A.V., Ho, L.C., Stringfellow, G.S., Goodrich, R.W. & Porter, A.C., 1993, ``Was SN 1961V a Genuine Supernova?'' BAAS, 25, 819 
AAS abstract

3. Bower, G.C. & Heiles, C. 1995, ``The Hat Creek 3 mm Point Source Survey,'' BAAS, 27, 832 
AAS abstract

4. Bower, G.C., Forster, J.R., Wright , M. & Backer, D., 1995, ``NRAO 530,'' IAUC, 6173, 1 

5. Bower, G.C., Backer, D., Forster, R. & Wright, M., 1995, ``A Dramatic (& Invisible!) Flare in NRAO 530,'' Proceedings of IAU 175 

6. Doeleman, S., Rogers, A.E.E., Bower, G.C., Wright, M.C.H & Backer, D.C., 1996, ``3mm-VLBI Observations of the Galactic Center,'' BAAS, 187, #12.14
AAS abstract

7. Bower, G.C., Backer, D., Forster, R. & Wright, M., 1996, ``A Dramatic Flare in NRAO 530,'' BAAS, 187, #12.15 

8. Bower, G.C., Backer, D.C., D. Plambeck, M. Wright, 1997, ``3 mm VLBI at Hat Creek - 1995 - 1997,'' BIMA Memos # 52 
abstract,postscript 

9. Wright, M.C.H. and Bower, G.C., 1997, ``Future mm-VLBI Arrays,'' BIMA Memos # 55 
abstract, postscript

10. Bower, G.C., 1997 ``Millimeter VLBI Observations of the Gamma-Ray Blazar NRAO 530,'' in ``Radio Emission from Galactic and Extragalactic Compact Sources'', J.A. Zensus, Taylor, G.B. & Wrobel, J.M. eds., ASP Conf 144, 41
preprint

11. Doeleman, S., Bower, G.C., Backer, D., Wright, M., Rogers, A., 1998, ``86 GHz VLBI Observations of Sgr A*,'' in "The Central Parsecs of the Galaxy", eds. H. Falcke, A. Cotera, W. Duschl, F. Melia, M. Rieke, ASP Conf. Series 

12. Bower, G.C., Falcke, H., Backer, D. & Wright, M., 1998, ``VLBA Imaging at 7 mm and Linear Polarimetric Observations at 6 cm and 3 mm of Sagittarius A*,'' in "The Central Parsecs of the Galaxy", eds. H. Falcke, A. Cotera, W. Duschl, F. Melia, M. Rieke, ASP Conf. Series 
xxx-lanl reference

13. Bower, G.C., 1999, ``The millimeter VLBI Properties of EGRET Blazars,'' in ``Proceedings of the Millimeter VLBI Workshop,'' ed. A. Greve, IRAM
xxx-lanl reference, preprint

14. Bower, G.C., 1999, ``New Radio and Millimeter Results from Sagittarius A*,'' URSI General Assembly, J6.3 

15. Bower, G.C., Falcke, H., & Backer, D.C., 2000, ``Circular Polarization in Sagittarius A*,'' BAAS 195, #62.03
AAS abstract

16. Bower, G.C., 2000, ``Polarization in Sagittarius A*,'' Invited Article, GC News, 11, 4
GC News HTML, xxx-lanl reference,preprint

17. Bower, G.C. 2000, ``Confusion, Dynamic Range and Array Size for the ATA,'' ATA Memos #6
preprint

18. Bower, G.C., 2001, ``RFI Mitigation with the RPA,'' Proceedings of the IUCAF RFI Mitigation Workshop, Bonn, Ruf, K., ed.
preprint

19. Yusef-Zadeh, F., Roberts, D.A., Bower, G.C. & Wardle, M., 2001, ``Supernova OH (1720 MHz) Masers in Sgr A East, W28 and G359.1-0.5,'' in IAU Symp. 206 on Cosmic Masers, PASP Conf., V. Migenes, ed.
preprint

20. Bower, G.C., Backer, D.C. & Sramek, R.A., 2001, ``VLBA Observations of Astrometric Reference Sources in the Galactic Center,'' BAAS, 33, #41.03 

21. Bower, G.C., 2001, ``Application of Wiener and Adaptive Filters to GPS and Glonass Data from the Rapid Prototyping Array,'' ATA memos #31
ATA Intranet, preprint

22. Bower, G.C., 2001, ``Simulations of Narrow-Band Phased-Array Null Formation for the ATA,'' ATA memo series #37
ATA Intranet, preprint

23. Mitchell, D. & Bower, G.C., 2001, ``Cancelling Satellite Interference at the Rapid Prototyping Array.  A Comparison of Voltage and Power Domain Techniques,'' ATA memo series #36
ATA Intranet, preprint

24. Bower, G.C., McGary, R.S., Zhao, J.-H., Goss, W.M., 2001, ``The Intrinsic Variability of Sgr A* at Radio Wavelengths,'' BAAS, 199, #85.08 Poster in PDF

25. Bower, G.C., 2002, ``Circular Polarization of Sagittarius A* and Other Active Galactic Nuclei ,'' URSI, Boulder 

26. Bower, G.C., 2002, ``A Radio Frequency Interference Mitigation Strategy for the Allen Telescope Array,'' URSI, Boulder 

27. Bower, G.C., 2002, ``A Radio Frequency Interference Mitigation Strategy for the Allen Telescope Array,'' URSI General Assembly, Maastricht,
PS preprint, PDF preprint

28. Bower, G.C., 2002, ``A Radio Frequency Interference Mitigation Strategy for the Allen Telescope Array,'' Greenbank Spectrum Management Summer School
PS preprint, PDF preprint

29. Bower, G.C., Wright, M.C.H. & Forster, J.R., 2002, ``Polarization Stability of the BIMA Array at 1.3mm,'' BIMA Memos #89

30. Bower, G.C., 2002, ``Interference from Vehicular Radar and CARMA Site Selection,'' CARMA Memos #6

31. Ekers, R. & Bower, G.C., 2002, ``Wide Field Imaging Issues for the ATA,'' ATA Memos #47

32. Bower, G.C., 2002, ``The Allen Telescope Array and the Next Generation of Radio Telescopes,'' Sonoma State Physics Colloquium

33. Bower, G.C., Plambeck, R. and Bolatto, A., 2003, ``Flaring Object in Orion Cluster,'' IAU Circ. 8055

34. Brunthaler, A., Falcke, H., Bower, G. C., Aller, M. F., Aller, H. D., Teräsranta, H., & Krichbaum, T. P., 2003, ``III Zw 2: Evolution of a Radio Galaxy in a Nutshell,'' PASA, 20, 1, 126 PASA link

35. Bower, G.C., 2003, ``Linear and Circular Polarization from Sagittarius A* and M81*,'' in Circular Polarization from Relativistic Jet Sources, J.-P. Macquart and R.P. Fender, eds., 69
xxx-lanl reference,PS preprint

36. Bower, G.C., 2003, ``Linear and Circular Polarization from Sagittarius A*,'' Galactic Center Workshop, Astron. Nachr., Vol. 324, No. S1 (2003), Special Supplement "The central 300 parsecs of the Milky Way", Eds. A. Cotera, H. Falcke, T. R. Geballe, S. Markoff
preprint

37. Bower, G.C., 2003, ``Closure Amplitude Analysis of 15, 22 and 43 GHz V LBA Observations of Sagittarius A*: Size is Consistent with the Scattering Law,'' Galactic Center Workshop, Astron. Nachr., Vol. 324, No. S1 (2003), Special Supplement "The central 300 parsecs of the Milky Way", Eds. A. Cotera, H. Falcke, T. R. Geballe, S. Markoff
preprint

38. Bower, G.C., 2004, ``Imaging the Event Horizon of a Massive Black Hole: Past, Present and Future Very Long Baseline Interferometry of Sagittarius A*,'' Invited Lecture, VLBA 10th Anniversary Conference preprint

39. Bower, G.C., 2004, ``VLBA Imaging of Sagittarius A*,'' Invited Talk, Sagittarius A* at 30 Conference, Greenbank
Link to presentations

40. Bower, G.C., 2004, ``Polarization of Sagittarius A*,'' Invited Talk, Sagittarius A* at 30 Conference, Greenbank
Link to presentations

41. Bower, G.C., 2004, ``High Redshift Science with the Allen Telescope Array,'' Cosmic Frontiers Meeting, Berlin

42. Bower, G.C., 2004, ``RFI Mitigation for the Deuterium Experiment,'' RFI 2004 Meeting, Penticton

43. Bower, G.C., 2004, ``Blind Surveys for Transient Radio Sources,'' SKA 2004 Meeting, Penticton

44. Bower, G.C., 2006, ``High Frequency Radio Transients,'' Transient Universe, KITP, Santa Barbara

45. Bower, G.C., 2006, ``The Allen Telescope Array Five GHz Sky Survey,'' NRAO Legacy Project Workshop, Socorro, NM

46.  Bower, G.C., 2006, ``High Resolution Imaging of Sagittarius A*,'' Galactic Center Workshop 2006, Bad Honeff, Journal of Physics:  Conf Series, 54, 370

47.  Lazio, J.S., et al., 2006, ``Radio pulsars and transients in the Galactic center,'' Galactic Center Workshop 2006, Bad Honeff, Journal of Physics:  Conf Series, 54, 110

48. Eckart, A., et al., 2006, ``Multi-wavelength and polarimetric observations of Sagittarius A*,'' Galactic Center Workshop 2006, Bad Honeff, Journal of Physics:  Conf Series, 54, 391

49.  Schoedel, Bower, Muno, Nayakshin, and Ott, eds, ``GALACTIC CENTER WORKSHOP 2006—FROM THE CENTER OF THE MILKY WAY TO NEARBY LOW-LUMINOSITY GALACTIC NUCLEI,'' Journal of Physics:  Conf Series, 54
Journal of Physics

50. Bower, G.C., Bolatto, A.B., Ford, E., Kalas, P., Ulvestad, J., ``Radio Astrometric Detection and Characterization of Extra-Solar Planets:  A White Paper Submitted to the NSF ExoPlanet Task Force,'' 2007
astro-ph

51.  R. Forster, M. Wright, J. Hare, J. S. Bloom, G. C. Bower on behalf of a large collaboration, `GRB 070612A:  Allen Telescope Array Observations,'' GCN 6583, 2007
GCN

52.  Bower, G.C., ``Extragalactic Science with the Allen Telescope Array,'' Exploring the Cosmic Frontier: Astrophysical Instruments for the 21st Century. ESO Astrophysics Symposia, European Southern Observatory series. Edited by Andrei P. Lobanov, J. Anton Zensus, Catherine Cesarsky and Phillip J. Diamond.  Springer-Verlag, Berlin and Heidelberg, Germany, 2007, p.129
Link

53.  Bower, G.C., ``The Allen Telescope Array,'' 2007, BAAS, #210, #66.03

54.  Bower, G.C., ``The Allen Telescope Array as Square Kilometer Array Pathfinder,'' 2007, BAAS, #211, #133.06

55.  Croft, S, Bower, G.C., ``Wide-Field Extragalactic Radio Astronomy with the Allen Telescope Array,'' 2007, BAAS, #211, #133.07

56.  Bower, G.C., ``Mining for the Ephemeral,'' 2007, Science, 318, 5851, 759

57.  Keating, G., Bower, G.C., Forster, R., and Bloom, J.S., for the ATA collaboration, ``GRB 080319B: Allen Telescope Array Observations,'' GCN 7485, 2008

58. Siemion, Andrew; Von Korff, Joshua; McMahon, Peter; Korpela, Eric; Werthimer, Dan; Anderson, David; Bower, Geoff; Cobb, Jeff; Foster, Griffin; Lebofsky, Matt; van Leeuwen, Joeri; Mallard, William; Wagner, Mark, 2008,  `` New SETI Sky Surveys for Radio Pulses,'' Acta Astronautica
astro-ph

59. Bloom, Joshua S.; Holz, Daniel E.; Hughes, Scott A.; Menou, Kristen; Adams, Allan; Anderson, Scott F.; Becker, Andy; Bower, Geoffrey C.; Brandt, Niel; Cobb, Bethany; Cook, Kem; Corsi, Alessandra; Covino, Stefano; Fox, Derek; Fruchter, Andrew; Fryer, Chris; Grindlay, Jonathan; Hartmann, Dieter; Haiman, Zoltan; Kocsis, Bence; Jones, Lynne; Loeb, Abraham; Marka, Szabolcs; Metzger, Brian; Nakar, Ehud; Nissanke, Samaya; Perley, Daniel A.; Piran, Tsvi; Poznanski, Dovi; Prince, Tom; Schnittman, Jeremy; Soderberg, Alicia; Strauss, Michael; Shawhan, Peter S.; Shoemaker, David H.; Sievers, Jonathan; Stubbs, Christopher; Tagliaferri, Gianpiero; Ubertini, Pietro; Wozniak, Przemyslaw, 2009, ``Astro2010 Decadal Survey Whitepaper: Coordinated Science in the Gravitational and Electromagnetic Skies,'' arXiv:0902.1527

60.  Doeleman, Sheperd; Agol, Eric; Backer, Don; Baganoff, Fred; Bower, Geoffrey C.; Broderick, Avery; Fabian, Andrew; Fish, Vincent; Gammie, Charles; Ho, Paul; Honman, Mareki; Krichbaum, Thomas; Loeb, Avi; Marrone, Dan; Reid, Mark; Rogers, Alan; Shapiro, Irwin; Strittmatter, Peter; Tilanus, Remo; Weintroub, Jonathan; Whitney, Alan; Wright, Melvyn; Ziurys, Lucy, 2009, ``Imaging an Event Horizon: submm-VLBI of a Super Massive Black Hole,'' Astro2010: The Astronomy and Astrophysics Decadal Survey, Science White Papers, no. 68, arXiv:0906.3899

61. Lazio, J.; Bloom, J.S.; Bower, G.C.; Cordes, J.; Croft, S.; Hyman, S.; Law, C.; McLaughlin, M., 2009, ``The Dynamic Radio Sky: An Opportunity for Discovery,'' Astro2010: The Astronomy and Astrophysics Decadal Survey, Science White Papers, no. 176, arXiv:0904.0633

62. Parsons, Aaron; Werthimer, Dan; Backer, Donald; Bastian, Tim; Bower, Geoffrey; Brisken, Walter; Chen, Henry; Deller, Adam; Filiba, Terry; Gary, Dale; Greenhill, Lincoln; Hawkins, David; Jones, Glenn; Langston, Glen; Lasio, Joseph; Van Leeuwen, Joeri; Mitchell, Daniel; Manley, Jason; Siemion, Andrew; So, Hayden Kwok-Hay; Whitney, Alan; Woody, Dave; Wright, Melvyn; Zarb-Adami, Kristian, 2009, ``Digital Instrumentation for the Radio Astronomy Community,'' Astro2010: The Astronomy and Astrophysics Decadal Survey, Technology Development Papers, no. 2, arXiv:0904.1181

63. Kemball, Athol; Cordes, James; Lasio, Joseph; Backer, Don; Bower, Geoff; Bhatnager, Sanjay; Plante, Ray, 2009, ``Technology development for computational radio astronomy: 2010-2020,'' Astro2010: The Astronomy and Astrophysics Decadal Survey, Technology Development Papers, no. 46

64. Brunthaler, A., Menten, K.M., Reid, M.J., Henkel, C., Bower, G.C., Falcke, H., 2009, ``Discovery of a bright radio transient in M82: a new radio supernova?'', ATEL, 2020
ATEL

65. Brunthaler, A., Menten, K.M., Reid, M.J., Henkel, C., Bower, G.C., Falcke, H., 2009, ``Observations of the new transient radio source in the central region of M82'', ATEL, 2078
ATEL

 


Return to my home page

This page updated on December 17, 2006.