WASP-61

WASP-61
Observation data
Epoch J2000      Equinox J2000
Constellation Lepus
Right ascension 05h 01m 11.9187s[1]
Declination −26° 03′ 14.9668″[1]
Apparent magnitude (V) 12.49
Characteristics
Evolutionary stage Main sequence
Spectral type F7V
Astrometry
Radial velocity (Rv)18.66[1] km/s
Proper motion (μ) RA: 0.495[1] mas/yr
Dec.: 3.169[1] mas/yr
Parallax (π)2.0176 ± 0.0228 mas[1]
Distance1,620 ± 20 ly
(496 ± 6 pc)
Details[2]
Mass1.22±0.07 M
Radius1.36±0.03 R
Surface gravity (log g)4.21±0.21[3] cgs
Temperature6265±168[3] K
Metallicity [Fe/H]-0.38±0.11[3] dex
Rotational velocity (v sin i)10.3±0.5 km/s
Age3.8+1.8
−0.9
 Gyr
Other designations
Gaia DR2 2959177048983750016, TYC 6469-1972-1, 2MASS J05011191-2603149[4]
Database references
SIMBADdata

WASP-61 is a single F-type main-sequence star about 1560 light-years away. The star is likely younger than the Sun at approximately 3.8+1.8
−0.9
billion years. WASP-61 is depleted in heavy elements, having just 40% of the solar abundance of iron.[3]

  1. ^ a b c d e f Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ Cite error: The named reference Bonomo2017 was invoked but never defined (see the help page).
  3. ^ a b c d Andreasen, D. T.; Sousa, S. G.; Tsantaki, M.; Teixeira, G. D. C.; Mortier, A.; Santos, N. C.; Suárez-Andrés, L.; Delgado-Mena, E.; Ferreira, A. C. S. (2017), "SWEET-Cat update and FASMA", Astronomy & Astrophysics, 600: A69, arXiv:1703.06671, Bibcode:2017A&A...600A..69A, doi:10.1051/0004-6361/201629967, S2CID 119534579
  4. ^ Cite error: The named reference simbad was invoked but never defined (see the help page).