HAT-P-25b: A hot-Jupiter transiting a moderately faint G star

S. N. Quinn, G. A. Bakos, J. Hartman, G. Torres, G. Kovács, D. W. Latham, R. W. Noyes, D. A. Fischer, J. A. Johnson, G. W. Marcy, A. W. Howard, A. Szentgyorgyi, G. Fũrész, L. A. Buchhave, B. Béky, D. D. Sasselov, R. P. Stefanik, G. Perumpilly, M. Everett, J. LázárI. Papp, P. Sári

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We report the discovery of HAT-P-25b, a transiting extrasolar planet orbiting the V = 13.19 G5 dwarf star GSC 1788-01237, with a period P = 3.652836 0.000019 days, transit epoch Tc = 2455176.85173 0.00047 (BJD - barycentric Julian dates throughout the paper are calculated from Coordinated Universal Time, UTC), and transit duration 0.1174 0.0017days. The host star has a mass of 1.01 0.03 M, radius of 0.96+0.05 - 0.04 R, effective temperature 5500 80K, and metallicity [Fe/H] = +0.31 0.08. The planetary companion has a mass of 0.567 0.022M J and radius of 1.190+0.081 - 0.056R J yielding a mean density of 0.42 0.07 g cm-3.

Original languageEnglish
Article number80
JournalAstrophysical Journal
Volume745
Issue number1
DOIs
Publication statusPublished - Jan 20 2012

Fingerprint

G stars
transit
Jupiter (planet)
Jupiter
universal time
dwarf stars
radii
extrasolar planets
metallicity
planet
time measurement
stars
temperature

Keywords

  • planetary systems
  • stars: individual (HAT-P-25, GSC 1788-01237)
  • techniques: photometric
  • techniques: spectroscopic

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Quinn, S. N., Bakos, G. A., Hartman, J., Torres, G., Kovács, G., Latham, D. W., ... Sári, P. (2012). HAT-P-25b: A hot-Jupiter transiting a moderately faint G star. Astrophysical Journal, 745(1), [80]. https://doi.org/10.1088/0004-637X/745/1/80

HAT-P-25b : A hot-Jupiter transiting a moderately faint G star. / Quinn, S. N.; Bakos, G. A.; Hartman, J.; Torres, G.; Kovács, G.; Latham, D. W.; Noyes, R. W.; Fischer, D. A.; Johnson, J. A.; Marcy, G. W.; Howard, A. W.; Szentgyorgyi, A.; Fũrész, G.; Buchhave, L. A.; Béky, B.; Sasselov, D. D.; Stefanik, R. P.; Perumpilly, G.; Everett, M.; Lázár, J.; Papp, I.; Sári, P.

In: Astrophysical Journal, Vol. 745, No. 1, 80, 20.01.2012.

Research output: Contribution to journalArticle

Quinn, SN, Bakos, GA, Hartman, J, Torres, G, Kovács, G, Latham, DW, Noyes, RW, Fischer, DA, Johnson, JA, Marcy, GW, Howard, AW, Szentgyorgyi, A, Fũrész, G, Buchhave, LA, Béky, B, Sasselov, DD, Stefanik, RP, Perumpilly, G, Everett, M, Lázár, J, Papp, I & Sári, P 2012, 'HAT-P-25b: A hot-Jupiter transiting a moderately faint G star', Astrophysical Journal, vol. 745, no. 1, 80. https://doi.org/10.1088/0004-637X/745/1/80
Quinn SN, Bakos GA, Hartman J, Torres G, Kovács G, Latham DW et al. HAT-P-25b: A hot-Jupiter transiting a moderately faint G star. Astrophysical Journal. 2012 Jan 20;745(1). 80. https://doi.org/10.1088/0004-637X/745/1/80
Quinn, S. N. ; Bakos, G. A. ; Hartman, J. ; Torres, G. ; Kovács, G. ; Latham, D. W. ; Noyes, R. W. ; Fischer, D. A. ; Johnson, J. A. ; Marcy, G. W. ; Howard, A. W. ; Szentgyorgyi, A. ; Fũrész, G. ; Buchhave, L. A. ; Béky, B. ; Sasselov, D. D. ; Stefanik, R. P. ; Perumpilly, G. ; Everett, M. ; Lázár, J. ; Papp, I. ; Sári, P. / HAT-P-25b : A hot-Jupiter transiting a moderately faint G star. In: Astrophysical Journal. 2012 ; Vol. 745, No. 1.
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