WASP-56

WASP-56
Observation data
Epoch J2000      Equinox J2000
Constellation Coma Berenices
Right ascension 12h 13m 27.8904s[1]
Declination +23° 03′ 20.459″[1]
Apparent magnitude (V) 11.48[2]
Characteristics
Evolutionary stage main sequence star
Spectral type G6[3]
Astrometry
Radial velocity (Rv)4.636 km/s
Proper motion (μ) RA: −36.262±0.810[1] mas/yr
Dec.: 0.871±0.590[1] mas/yr
Parallax (π)3.0865 ± 0.0511 mas[1]
Distance1,060 ± 20 ly
(324 ± 5 pc)
Details[4]
Mass1.107±0.024[5] M
Radius1.112+0.026
−0.022
[5] R
Surface gravity (log g)4.45 ± 0.1 cgs
Temperature5600 ± 100 K
Metallicity [Fe/H]0.12±0.06[5] dex
Rotational velocity (v sin i)1.5 ± 0.9 km/s
Age6.2+3.0
−2.1
[5] Gyr
Other designations
Melotte 111 AV 561, Gaia DR2 4001613814138156416, TYC 1986-1561-1, 2MASS J12132790+2303205
Database references
SIMBADdata

WASP-56 is a sun-like star of spectral type G6 in the constellation of Coma Berenices.[6] It has an apparent magnitude of 11.48. Observations at the Calar Alto Observatory using the lucky imaging technique detected a candidate companion star located 3.4 arc seconds away, however it is not known if this is an actual binary companion or an optical double.[7]

  1. ^ a b c d e Cite error: The named reference Gaia2016 was invoked but never defined (see the help page).
  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.
  3. ^ "Cl* Melotte 111 AV 561". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 9 September 2013.
  4. ^ Faedi, F.; et al. (2013). "WASP-54b, WASP-56b, and WASP-57b: Three new sub-Jupiter mass planets from SuperWASP". Astronomy & Astrophysics. 551: A73. arXiv:1210.2329. Bibcode:2013A&A...551A..73F. doi:10.1051/0004-6361/201220520. S2CID 14346225.
  5. ^ a b c d Cite error: The named reference Bonomo2017 was invoked but never defined (see the help page).
  6. ^ "Coma Berenices, constellation boundary". The Constellations. International Astronomical Union. Retrieved 27 February 2014.
  7. ^ Cite error: The named reference Wöllert2015 was invoked but never defined (see the help page).