HAT-P-24

Last updated
HAT-P-24
Observation data
Epoch J2000       Equinox J2000
Constellation Gemini [1]
Right ascension 07h 15m 18.0194s [2]
Declination +14° 15′ 45.408″ [2]
Apparent magnitude  (V)11.754 [3]
Characteristics
Evolutionary stage main sequence [2]
Spectral type F8 [4]
Astrometry
Proper motion (μ)RA: 8.193(15) mas/yr [2]
Dec.: −1.595(12) mas/yr [2]
Parallax (π)2.4202±0.0148  mas [2]
Distance 1,348 ± 8  ly
(413 ± 3  pc)
Details
Mass 1.195 ± 0.012 [5]   M☉
Radius 1.321 ± 0.063 [5]   R☉
Luminosity 2.48 +0.032
−0.028  L☉
Surface gravity (log g)4.27 ± 0.04 [6]   cgs
Temperature 6329 ± 67 [6]   K
Metallicity [Fe/H]–0.21 ± 0.08 [6]   dex
Rotational velocity (v sin i)11.4 ± 1.2 [6]  km/s
Age 2.8 ± 0.6  Gyr
Other designations
Gaia DR3 3167323052618369408, TYC 774-1441-1, GSC 0774-01441, 2MASS J07151801+1415453 [7]
Database references
SIMBAD data

HAT-P-24 is an F8 dwarf star about 413 parsecs away. [2] A planet was discovered with the transit method by the HATNet Project in 2010. HAT-P-24b, is a typical hot Jupiter orbiting in only 3 days. [4]

Contents

Planetary system

In 2010 the HATNet Project announced the discovery of a hot jupiter type gas giant extrasolar planet in orbit around this star. Following the designation scheme used by the HATNet Project, the star is designated as HAT-P-24, and the planet itself HAT-P-24b. [4]

The HAT-P-24 planetary system [5] [8]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b 0.723+0.031
−0.030  MJ 		0.04651+0.00055
−0.00056		3.3552479±0.0000062<0.03888.217 +0.716
−0.693 ° 		1.364 ± 0.068  RJ

References

  1. ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific . 99 (617): 695. Bibcode:1987PASP...99..695R. doi: 10.1086/132034 . Constellation record for this object at VizieR.
  2. 1 2 3 4 5 6 7 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR.
  3. ↑ Maxted, P. F. L.; et al. (2011). "UBV(RI)C photometry of transiting planet hosting stars". Monthly Notices of the Royal Astronomical Society. 418 (2): 1039–1042. arXiv: 1108.0349 . Bibcode:2011MNRAS.418.1039M. doi: 10.1111/j.1365-2966.2011.19554.x . S2CID   117056033.
  4. 1 2 3 Kipping, D. M.; et al. (2011). "HAT-P-24b: An Inflated Hot Jupiter on a 3.36 Day Period Transiting a Hot, Metal-poor Star". The Astrophysical Journal. 725 (2): 2017–2028. arXiv: 1008.3389 . Bibcode:2010ApJ...725.2017K. doi:10.1088/0004-637X/725/2/2017. S2CID   118519846.
  5. 1 2 3 Wang, Xiao-Bin; et al. (2013). "The refined physical parameters of transiting exoplanet system HAT-P-24". Research in Astronomy and Astrophysics. 13 (5): 593–603. Bibcode:2013RAA....13..593W. doi:10.1088/1674-4527/13/5/010. S2CID   120426320. Archived from the original (PDF) on 2018-12-18. Retrieved 2018-01-10.
  6. 1 2 3 4 Torres, Guillermo; et al. (2012). "Improved Spectroscopic Parameters for Transiting Planet Hosts". The Astrophysical Journal. 757 (2). 161. arXiv: 1208.1268 . Bibcode:2012ApJ...757..161T. doi:10.1088/0004-637X/757/2/161. S2CID   16580774.
  7. ↑ "HAT-P-24". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2024-04-14.
  8. ↑ Bonomo, A. S.; et al. (2017). "The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets". Astronomy and Astrophysics. 602. A107. arXiv: 1704.00373 . Bibcode:2017A&A...602A.107B. doi:10.1051/0004-6361/201629882. S2CID   118923163.


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