HAT-P-13b

HAT-P-13b
Exoplanet List of exoplanets

Size comparison of HAT-P-13b with Jupiter.
Parent star
Star HAT-P-13
Constellation Ursa Major[1]
Right ascension (α) 08h 39m 31.810s[2]
Declination (δ) +47° 21 07.25[2]
Apparent magnitude (mV) 10.62
Distance698 ± 39[3] ly
(214 ± 12[3] pc)
Spectral type G4V[3]
Orbital elements
Semi-major axis(a) 0.0426 AU
Eccentricity (e) 0.021
Orbital period(P) 2.91626 d
Inclination (i) 83.4°
Argument of
periastron
(ω) 181°
Time of transit (Tt) 2454779.92979 JD
Physical characteristics
Mass(m)0.851 MJ
Radius(r)1.28 RJ
Discovery information
Discovery date 21 July 2009
Discoverer(s) Bakos et al.[3]
Discovery method Transit
Radial velocity
Discovery site  United States
Discovery status Confirmed
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HAT-P-13b is an extrasolar planet approximately 700 light-years away in the constellation Ursa Major. The planet was discovered when it transited across its sun, HAT-P-13. This planet is a hot Jupiter with 0.851 times the mass of Jupiter and 1.28 radius. The planet has a lower mass, but its overall size is larger than Jupiter.[3]

References

  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. 1 2 Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H. doi:10.1888/0333750888/2862. Vizier catalog entry
  3. 1 2 3 4 5 Bakos, G. Á.; et al. (2009). "HAT-P-13b,c: A Transiting Hot Jupiter with a Massive Outer Companion on an Eccentric Orbit". The Astrophysical Journal. 707 (1): 446–456. arXiv:0907.3525Freely accessible. Bibcode:2009ApJ...707..446B. doi:10.1088/0004-637X/707/1/446.

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