HAT-P-33

HAT-P-33

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Gemini[1]
Right ascension	07^h 32^m 44.20^s[2]
Declination	+33° 50′ 06.2″[2]
Apparent magnitude (V)	11.188[2]
Characteristics
Spectral type	late-F[2]
Astrometry
Distance	1,262 ± 29[2] ly (387±9[2] pc)
Details
Mass	1.375±0.040[2] M☉
Radius	1.637±0.034[2] R☉
Luminosity	4.15±0.33[2] L☉
Surface gravity (log g)	4.15±0.01[2] cgs
Temperature	6446±88[2] K
Metallicity [Fe/H]	0.07±0.08[2] dex
Rotational velocity (v sin i)	13.7±0.5[2] km/s
Age	2.3±0.3[2] Gyr
Other designations
2MASS J07324421+335006, GSC 2461-00988, TYC 2461-988-1
Database references
SIMBAD	data

HAT-P-33 (2MASS J07324421+335006, GSC 2461-00988) is a late-F dwarf star. It is orbited by a planet HAT-P-33b.^[2] A search for a binary companion star using adaptive optics at the MMT Observatory was negative.^[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. Hartman, J. D.; et al. (2011). "HAT-P-32b and HAT-P-33b: Two Highly Inflated Hot Jupiters Transiting High-jitter Stars". The Astrophysical Journal. 742 (1). 59. arXiv:1106.1212. Bibcode:2011ApJ...742...59H. doi:10.1088/0004-637X/742/1/59.
3. Adams, E. R.; et al. (2013). "Adaptive Optics Images. II. 12 Kepler Objects of Interest and 15 Confirmed Transiting Planets". The Astronomical Journal. 146 (1). 9. arXiv:1305.6548. Bibcode:2013AJ....146....9A. doi:10.1088/0004-6256/146/1/9.

• Jean Schneider (2011). "Notes for star HAT-P-33". Extrasolar Planets Encyclopaedia. Retrieved 15 June 2011.