Qatar-1

Qatar-1
Observation data
Epoch J2000      Equinox
Constellation Draco
Right ascension 20h 13m 31.6176s
Declination 65° 09′ 43.4909″
Apparent magnitude (V) 12.84
Characteristics
Evolutionary stage main sequence star
Spectral type K3V
B−V color index 1.06
V−R color index 0.19
J−H color index 0.472
J−K color index 0.590
Variable type planetary transit variable
Astrometry
Radial velocity (Rv)-37.835±0.063 km/s
Proper motion (μ) RA: 12.636±0.048 mas/yr
Dec.: 58.170±0.041 mas/yr
Parallax (π)5.3587 ± 0.0231 mas
Distance609 ± 3 ly
(186.6 ± 0.8 pc)
Details[1][2]
Mass0.85±0.03 M☉
Radius0.823±0.025 R☉
Surface gravity (log g)4.536±0.024 cgs
Temperature4861±125 K
Metallicity [Fe/H]0.2±0.1 dex
Rotational velocity (v sin i)1.7±0.3 km/s
Age4.5 Gyr
Other designations
Qatar-1, 2MASS J20133160+6509433, Gaia DR2 2244830490514284928, V592 Dra[3]
Database references
SIMBADdata

Qatar-1 is an orange main sequence star in the constellation of Draco.

  1. ^ Alsubai, K. A.; Parley, N. R.; Bramich, D. M.; West, R. G.; Sorensen, P. M.; Collier Cameron, A.; Latham, D. W.; Horne, K.; Anderson, D. R.; Bakos, G. Á.; Brown, D. J. A.; Buchhave, L. A.; Esquerdo, G. A.; Everett, M. E.; Fűrész, G.; Hartman, J. D.; Hellier, C.; Miller, G. M.; Pollacco, D.; Quinn, S. N.; Smith, J. C.; Stefanik, R. P.; Szentgyorgyi, A. (2011). "Qatar-1b: A hot Jupiter orbiting a metal-rich K dwarf star". Monthly Notices of the Royal Astronomical Society. 417 (1): 709–716. arXiv:1012.3027. Bibcode:2011MNRAS.417..709A. doi:10.1111/j.1365-2966.2011.19316.x. S2CID 55675165.
  2. ^ Cite error: The named reference Govino2013 was invoked but never defined (see the help page).
  3. ^ Qatar 1 -- High proper-motion Star