61 Virginis information

61 Virginis
	; 61 Vir as seen with a 12.5" telescope with a field of view of 45.1 arcminutes
Observation data; Epoch J2000 Equinox J2000
Constellation	Virgo
Right ascension	13h 18m 24.31399s
Declination	−18° 18′ 40.2977″
Apparent magnitude (V)	4.74
Characteristics
Spectral type	G7V
Apparent magnitude (B)	5.45
Apparent magnitude (J)	3.334
Apparent magnitude (H)	2.974
Apparent magnitude (K)	2.956
U−B color index	0.26
B−V color index	0.71
V−R color index	0.37
R−I color index	0.33
Astrometry
Radial velocity (Rv)	−7.86±0.13 km/s
Proper motion (μ)	RA: −1,070.202 mas/yr ; Dec.: −1,063.849 mas/yr
Parallax (π)	117.1726 ± 0.1456 mas
Distance	27.84 ± 0.03 ly ; (8.53 ± 0.01 pc)
Absolute magnitude (MV)	5.07
Details
Mass	0.93 M☉
Radius	0.9867±0.0048 R☉
Luminosity	0.8222±0.0033 L☉
Surface gravity (log g)	4.5 cgs
Temperature	5538±13 K
Metallicity [Fe/H]	−0.02 dex
Rotation	29 days
Rotational velocity (v sin i)	3.9 ± 0.9 km/s
Age	6.1–6.6 Gyr
Other designations
	BD-17°3813, FK5 1345, GCTP 3039.00, GJ 506, HD 115617, HIP 64924, HR 5019, LHS 349, LTT 5111, SAO 157844.
Database references
SIMBAD	data
Exoplanet Archive	data
ARICNS	data

61 Virginis (abbreviated 61 Vir) is the Flamsteed designation of a G-type main-sequence star (G7V) slightly less massive than the Sun (which has a hotter G2V spectral type), located 27.8 light-years (8.5 parsecs) away in the constellation of Virgo. The composition of this star is nearly identical to the Sun.

61 Virginis (G7V) is the first well-established main-sequence star very similar to the Sun with a potential super-Earth,^[9] though it was preceded by CoRoT-7 (a borderline orange dwarf).

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Observation data Epoch J2000 Equinox J2000
61 Vir as seen with a 12.5" telescope with a field of view of 45.1 arcminutes
Constellation	Virgo
Right ascension	13^h 18^m 24.31399^s^[1]
Declination	−18° 18′ 40.2977″^[1]
Apparent magnitude (V)	4.74
Characteristics
Spectral type	G7V^[2]
Apparent magnitude (B)	5.45
Apparent magnitude (J)	3.334
Apparent magnitude (H)	2.974
Apparent magnitude (K)	2.956
U−B color index	0.26
B−V color index	0.71
V−R color index	0.37
R−I color index	0.33
Astrometry

Radial velocity (R_v)	−7.86±0.13^[1] km/s
Proper motion (μ)	RA: −1,070.202 mas/yr^[1] Dec.: −1,063.849 mas/yr^[1]
Parallax (π)	117.1726 ± 0.1456 mas^[1]
Distance	27.84 ± 0.03 ly (8.53 ± 0.01 pc)
Absolute magnitude (M_V)	5.07^[3]

Details

Mass	0.93^[4] `M`_☉
Radius	0.9867±0.0048^[4] `R`_☉
Luminosity	0.8222±0.0033^[4] `L`_☉
Surface gravity (log g)	4.5^[5] cgs
Temperature	5538±13^[4] K
Metallicity [Fe/H]	−0.02^[5] dex
Rotation	29 days^[6]
Rotational velocity (v sin i)	3.9 ± 0.9^[7] km/s
Age	6.1–6.6^[8] Gyr

Other designations
BD-17°3813, FK5 1345, GCTP 3039.00, GJ 506, HD 115617, HIP 64924, HR 5019, LHS 349, LTT 5111, SAO 157844.
Database references
SIMBAD	data
Exoplanet Archive	data
ARICNS	data

61 Virginis information

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