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HAT-P-24

Summary

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]

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
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]
Distance1,348 ± 8 ly
(413 ± 3 pc)
Details
Mass1.195 ± 0.012[5] M☉
Radius1.321 ± 0.063[5] R☉
Luminosity2.48 +0.032
−0.028 L☉
Surface gravity (log g)4.27 ± 0.04[6] cgs
Temperature6329 ± 67[6] K
Metallicity [Fe/H]–0.21 ± 0.08[6] dex
Rotational velocity (v sin i)11.4 ± 1.2[6] km/s
Age2.8 ± 0.6 Gyr
Other designations
Gaia DR3 3167323052618369408, TYC 774-1441-1, GSC 0774-01441, 2MASS J07151801+1415453[7]
Database references
SIMBADdata

Planetary system edit

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 <0.038 88.217 +0.716
−0.693° 		1.364 ± 0.068 RJ

References edit

  1. ^ Roman, Nancy G. (1987). "Identification of a Constellation From a Position". Publications of the Astronomical Society of the Pacific. 99 (617): 695–699. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Vizier query form
  2. ^ a b c d e 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. ^ a b c 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. ^ a b c 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. ^ a b c d 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.

External links edit

  • http://www.astro.keele.ac.uk/jkt/tepcat/planets/HAT-P-24.html
  • [1]
  • http://www.odyssespace.fr/exoplanetes-liste.php