Alan Howard
University of Virginia
Current Projects
NAI Project Collaborators
- Project collaborators as reported by the latest NAI Annual Report.
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Publications
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Albrecht, S., Winn, J. N., Johnson, J. A., Howard, A. W., Marcy, G. W., Butler, R. P., … Hartman, J. D. (2012). OBLIQUITIES OF HOT JUPITER HOST STARS: EVIDENCE FOR TIDAL INTERACTIONS AND PRIMORDIAL MISALIGNMENTS. The Astrophysical Journal, 757(1), 18. doi:10.1088/0004-637x/757/1/18
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Bakos, G. Á., Pál, A., Torres, G., Sipőcz, B., Latham, D. W., Noyes, R. W., … Sári, P. (2009). HAT-P-10b: A LIGHT AND MODERATELY HOT JUPITER TRANSITING A K DWARF. The Astrophysical Journal, 696(2), 1950–1955. doi:10.1088/0004-637x/696/2/1950
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Bakos, G. Á., Torres, G., Pál, A., Hartman, J., Kovács, G., Noyes, R. W., … Sári, P. (2010). HAT-P-11b: A SUPER-NEPTUNE PLANET TRANSITING A BRIGHT K STAR IN THE KEPLER FIELD. The Astrophysical Journal, 710(2), 1724–1745. doi:10.1088/0004-637x/710/2/1724
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Borucki, W. J., Koch, D. G., Basri, G., Batalha, N., Boss, A., Brown, T. M., … Wu, H. (2011). CHARACTERISTICS OF KEPLER PLANETARY CANDIDATES BASED ON THE FIRST DATA SET. The Astrophysical Journal, 728(2), 117. doi:10.1088/0004-637x/728/2/117
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Borucki, W. J., Koch, D. G., Basri, G., Batalha, N., Brown, T. M., Bryson, S. T., … Still, M. (2011). CHARACTERISTICS OF PLANETARY CANDIDATES OBSERVED BY KEPLER . II. ANALYSIS OF THE FIRST FOUR MONTHS OF DATA. The Astrophysical Journal, 736(1), 19. doi:10.1088/0004-637x/736/1/19
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Butler, R. P., Howard, A. W., Vogt, S. S., & Wright, J. T. (2009). NONDETECTION OF THE NEPTUNE-MASS PLANET REPORTED AROUND GJ 176. The Astrophysical Journal, 691(2), 1738–1743. doi:10.1088/0004-637x/691/2/1738
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Dragomir, D., Kane, S. R., Henry, G. W., Ciardi, D. R., Fischer, D. A., Howard, A. W., … Wright, J. T. (2012). THE HD 192263 SYSTEM: PLANETARY ORBITAL PERIOD AND STELLAR VARIABILITY DISENTANGLED. The Astrophysical Journal, 754(1), 37. doi:10.1088/0004-637x/754/1/37
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Howard, A. W., Bakos, G. Á., Hartman, J., Torres, G., Shporer, A., Mazeh, T., … Sári, P. (2012). HAT-P-17b,c: A TRANSITING, ECCENTRIC, HOT SATURN AND A LONG-PERIOD, COLD JUPITER. The Astrophysical Journal, 749(2), 134. doi:10.1088/0004-637x/749/2/134
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Howard, A. W., Johnson, J. A., Marcy, G. W., Fischer, D. A., Wright, J. T., Henry, G. W., … Piskunov, N. E. (2010). THE NASA-UC ETA-EARTH PROGRAM. II. A PLANET ORBITING HD 156668 WITH A MINIMUM MASS OF FOUR EARTH MASSES. The Astrophysical Journal, 726(2), 73. doi:10.1088/0004-637x/726/2/73
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Howard, A. W., Johnson, J. A., Marcy, G. W., Fischer, D. A., Wright, J. T., Henry, G. W., … Piskunov, N. E. (2011). THE NASA-UC ETA-EARTH PROGRAM. III. A SUPER-EARTH ORBITING HD 97658 AND A NEPTUNE-MASS PLANET ORBITING Gl 785. The Astrophysical Journal, 730(1), 10. doi:10.1088/0004-637x/730/1/10
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Howard, A. W., Marcy, G. W., Bryson, S. T., Jenkins, J. M., Rowe, J. F., Batalha, N. M., … MacQueen, P. J. (2012). PLANET OCCURRENCE WITHIN 0.25 AU OF SOLAR-TYPE STARS FROM KEPLER. The Astrophysical Journal Supplement Series, 201(2), 15. doi:10.1088/0067-0049/201/2/15
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Howard, A. W., Marcy, G. W., Johnson, J. A., Fischer, D. A., Wright, J. T., Isaacson, H., … Ida, S. (2010). The Occurrence and Mass Distribution of Close-in Super-Earths, Neptunes, and Jupiters. Science, 330(6004), 653–655. doi:10.1126/science.1194854
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Johnson, J. A., Clanton, C., Howard, A. W., Bowler, B. P., Henry, G. W., Marcy, G. W., … Isaacson, H. (2011). RETIRED A STARS AND THEIR COMPANIONS. VII. 18 NEW JOVIAN PLANETS. The Astrophysical Journal Supplement Series, 197(2), 26. doi:10.1088/0067-0049/197/2/26
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Kane, S. R., Henry, G. W., Dragomir, D., Fischer, D. A., Howard, A. W., Wang, X., & Wright, J. T. (2011). REVISED ORBIT AND TRANSIT EXCLUSION FOR HD 114762b. The Astrophysical Journal, 735(2), L41. doi:10.1088/2041-8205/735/2/l41
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Kane, S. R., Howard, A. W., Pilyavsky, G., Mahadevan, S., Henry, G. W., von Braun, K., … Wright, J. T. (2011). IMPROVED ORBITAL PARAMETERS AND TRANSIT MONITORING FOR HD 156846b. The Astrophysical Journal, 733(1), 28. doi:10.1088/0004-637x/733/1/28
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Pál, A., Bakos, G. Á., Torres, G., Noyes, R. W., Fischer, D. A., Johnson, J. A., … Esquerdo, G. A. (2010). Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system. Monthly Notices of the Royal Astronomical Society, 401(4), 2665–2674. doi:10.1111/j.1365-2966.2009.15849.x
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W. Howard, A., Johnson, J. A., W. Marcy, G., A. Fischer, D., T. Wright, J., Bernat, D., … Piskunov, N. E. (2010). THE CALIFORNIA PLANET SURVEY. I. FOUR NEW GIANT EXOPLANETS. The Astrophysical Journal, 721(2), 1467–1481. doi:10.1088/0004-637x/721/2/1467
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Winn, J. N., Albrecht, S., Johnson, J. A., Torres, G., Cochran, W. D., Marcy, G. W., … Cleve, J. V. (2011). SPIN-ORBIT ALIGNMENT FOR THE CIRCUMBINARY PLANET HOST KEPLER-16 A. The Astrophysical Journal, 741(1), L1. doi:10.1088/2041-8205/741/1/l1
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Wright, J. T., Fakhouri, O., Marcy, G. W., Han, E., Feng, Y., Johnson, J. A., … Piskunov, N. (2011). The Exoplanet Orbit Database. Publications of the Astronomical Society of the Pacific, 123(902), 412–422. doi:10.1086/659427
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Wright, J. T., Veras, D., Ford, E. B., Johnson, J. A., Marcy, G. W., Howard, A. W., … Valenti, J. (2011). THE CALIFORNIA PLANET SURVEY. III. A POSSIBLE 2:1 RESONANCE IN THE EXOPLANETARY TRIPLE SYSTEM HD 37124. The Astrophysical Journal, 730(2), 93. doi:10.1088/0004-637x/730/2/93
See Project - Batalha, N.M., Rowe, J.F., Bryson, S.T., Barclay, T., Burke, C.J., Caldwell, D.A., Christiansen, J.L., Mullally, F., Thompson, S.E., Brown, T.M., Dupree, A.K., Fabrycky, D.C., Ford, E.B., Fortney, J.J., Gilliland, R.L., Isaacson, H., Latham, D.W., Marcy, G.W., Quinn, S., Ragozzine, D., Shporer, A., Borucki, W.J., Ciardi, D.R., Gautier, T.N., III, Haas, M.R., Jenkins, J.M., Koch, D.G., Lissauer, J.J., Rapin, W., Basri, G.S., Boss, A.P., Buchhave, L.A., Charbonneau, D., Christensen-Dalsgaard, J., Clarke, B.D., Cochran, W.D., Demory, B-O., Devore, E., Esquerdo, G.A., Everett, M., Fressin, F., Geary, J.C., Girouard, F.R., Gould, A., Hall, J.R., Holman, M.J., Howard, A.W., Howell, S.B., Ibrahim, K.A., Kinemuchi, K., Kjeldsen, H., Klaus, T.C., Li, J., Lucas, P.W., Morris, R.L., Prsa, A., Quintana, E., Sanderfer, D.T., Sasselov, D., Seader, S.E., Smith, J.C., Steffen, J.H., Still, M., Stumpe, M.C., Tarter, J.C., Tenenbaum, P., Torres, G., Twicken, J.D., Uddin, K., Van Cleve, J., Walkowicz, L. & Welsh, W.F. (2012). Planetary Candidates Observed by Kepler, III: Analysis of the First 16 Months of Data. ArXiv e-prints. Vol. 1202. See Project
- Howard, A.W., Bakos, G.Á., Hartman, J., Torres, G., Shporer, A., Mazeh, T., Kovacs, G., Latham, D.W., Noyes, R.W., Fischer, D.A., Johnson, J.A., Marcy, G.W., Esquerdo, G.A., Béky, B., Butler, R.P., Sasselov, D.D., Stefanik, R.P., Perumpilly, G., Lázár, J., Papp, I. & Sári, P. (2010). HAT-P-17b,c: A Transiting, Eccentric, Hot Saturn and a Long-period, Cold Jupiter. Vol. 1008. ArXiv e-prints. See Project
- Howard, A.W., Marcy, G.W., Bryson, S.T., Jenkins, J.M., Rowe, J.F., Batalha, N.M., Borucki, W.J., Koch, D.G., Dunham, E.W., Gautier, T.N., III, Van Cleve, J., Cochran, W.D., Latham, D.W., Lissauer, J.J., Torres, G., Brown, T.M., Gilliland, R.L., Buchhave, L.A., Caldwell, D.A., Christensen-Dalsgaard, J., Ciardi, D., Fressin, F., Haas, M.R., Howell, S.B., Kjeldsen, H., Seager, S., Rogers, L., Sasselov, D.D., Steffen, J.H., Basri, G.S., Charbonneau, D., Christiansen, J., Clarke, B., Dupree, A., Fabrycky, D.C., Fischer, D.A., Ford, E.B., Fortney, J.J., Tarter, J., Girouard, F.R., Holman, M.J., Johnson, J.A., Klaus, T.C., MacHalek, P., Moorhead, A.V., Morehead, R.C., Ragozzine, D., Tenenbaum, P., Twicken, J.D., Quinn, S.N., Isaacson, H., Shporer, A., Lucas, P.W., Walkowicz, L.M., Welsh, W.F., Boss, A., Devore, E., Gould, A., Smith, J.C., Morris, R.L., Prsa, A. & Morton, T.D. (2011). Planet Occurrence within 0.25 AU of Solar-type Stars from Kepler. ArXiv e-prints, V. 1103. Vol. 1103. See Project
- Kane, S., Gelino, D., Dragomir, D., Howard, A., Knutson, H., Krick, J., Laughlin, G., Mahadevan, S., Von Braun, K. & Wright, J. (2011). Detecting the Signature of Eccentric Exoplanets During Periastron Passage. See Project
- Kane, S.R., Mahadevan, S., Von Braun, K., Laughlin, G., Howard, A., Ciardi, D.R., Planets, P.T.H., Coudé du Foresto, V., Gelino, D.M. & Ribas, I. (2010). First Results from the Transit Ephemeris Refinement and Monitoring Survey (TERMS). See Project
- Traub, W.A., Beichman, C., Boden, A.F., Boss, A.P., Casertano, S., Catanzarite, J., Fischer, D., Ford, E.B., Gould, A., Halverson, S., Howard, A., Ida, S., Kasdin, N.J., Laughlin, G.P., Levison, H.F., Lin, D., Makarov, V., Marr, J., Muterspaugh, M., Raymond, S.N., Savransky, D., Shao, M., Sozzetti, A. & Zhai, C. (2010). Detectability of Earth-like Planets in Multi-Planet Systems: Preliminary Report. In: Goździewski, K., Niedzielski, A. & Schneider, J. (Eds.). Extrasolar Planets in Multi-Body Systems: Theory and Observations. Vol. 42. Les Ulis, France: European Astronomical Society Publications Series, Vol. 42, EDP Sciences. See Project
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Email:
ah6p@cms.mail.virginia.edu