37 Leonis Minoris information

37 Leonis Minoris
Observation data; Epoch J2000 Equinox J2000
Constellation	Leo Minor
Right ascension	11h 01m 49.67462s
Declination	−02° 29′ 04.5007″
Apparent magnitude (V)	4.68
Characteristics
Spectral type	G2.5 IIa
B−V color index	0.823±0.008
Astrometry
Radial velocity (Rv)	−8.0±0.3 km/s
Proper motion (μ)	RA: +9.76 mas/yr ; Dec.: −35.56 mas/yr
Parallax (π)	5.58 ± 0.24 mas
Distance	580 ± 30 ly ; (179 ± 8 pc)
Absolute magnitude (MV)	−1.84
Details
Mass	3.72 M☉
Radius	31 R☉
Luminosity	438.33 L☉
Surface gravity (log g)	2.22 cgs
Temperature	5,468 K
Metallicity [Fe/H]	0.03 dex
Rotational velocity (v sin i)	6.4 km/s
Age	200 Myr
Other designations
	37 LMi, BD+32° 2061, FK5 1275, HD 92125, HIP 52098, HR 4166, SAO 62173
Database references
SIMBAD	data

37 Leonis Minoris is a single,^[9] yellow-hued star in the northern constellation of Leo Minor. It is faintly visible to the naked eye with an apparent visual magnitude of 4.68.^[2] The star is moving closer to the Sun with a heliocentric radial velocity of −8 km/s.^[2] The annual parallax shift of 5.58±0.24 mas^[1] provides a distance estimate of roughly 580 light years.

The Bright Star Catalogue lists this star with a stellar classification of G2.5 IIa,^[3] indicating it is an evolved G-type bright giant. Gray et al. (2001) gave it a class of G1 II,^[10] while Keenan and McNeil (1989) assigned this star to the giant class G2.5 IIIa.^[11] It has an estimated 3.72^[5] times the mass of the Sun and about 31^[6] times the Sun's radius. The star is around 200^[7] million years old with a projected rotational velocity of 6.4 km/s.^[7] It is radiating about 438^[2] times the Sun's luminosity from its enlarged photosphere at an effective temperature of 5,468 K.^[5]

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^ ^a ^b ^c ^d ^e ^f ^g Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference Hoffleit1987 was invoked but never defined (see the help page).
^ Cite error: The named reference Kovtyukh2010 was invoked but never defined (see the help page).
^ ^a ^b ^c ^d ^e ^f Cite error: The named reference Liu2014 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference Fracassini2001 was invoked but never defined (see the help page).
^ ^a ^b ^c ^d Cite error: The named reference takeda14 was invoked but never defined (see the help page).
^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).
^ Cite error: The named reference Gray2001 was invoked but never defined (see the help page).
^ Cite error: The named reference Keenan1989 was invoked but never defined (see the help page).

[vanLeeuwen2007-1] ^ ^a ^b ^c ^d ^e ^f Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).

[Anderson2012-2] ^ ^a ^b ^c ^d ^e ^f ^g Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).

[Hoffleit1987-3] Cite error: The named reference Hoffleit1987 was invoked but never defined (see the help page).

[Kovtyukh2010-4] Cite error: The named reference Kovtyukh2010 was invoked but never defined (see the help page).

[Liu2014-5] ^ ^a ^b ^c ^d ^e ^f Cite error: The named reference Liu2014 was invoked but never defined (see the help page).

[Fracassini2001-6] Cite error: The named reference Fracassini2001 was invoked but never defined (see the help page).

[takeda14-7] Cite error: The named reference takeda14 was invoked but never defined (see the help page).

[SIMBAD-8] Cite error: The named reference SIMBAD was invoked but never defined (see the help page).

[Eggleton2008-9] Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).

[Gray2001-10] Cite error: The named reference Gray2001 was invoked but never defined (see the help page).

[Keenan1989-11] Cite error: The named reference Keenan1989 was invoked but never defined (see the help page).

Observation data Epoch J2000 Equinox J2000
Constellation	Leo Minor
Right ascension	11^h 01^m 49.67462^s^[1]
Declination	−02° 29′ 04.5007″^[1]
Apparent magnitude (V)	4.68^[2]
Characteristics
Spectral type	G2.5 IIa^[3]
B−V color index	0.823±0.008^[2]
Astrometry

Radial velocity (R_v)	−8.0±0.3^[2] km/s
Proper motion (μ)	RA: +9.76^[1] mas/yr Dec.: −35.56^[1] mas/yr
Parallax (π)	5.58 ± 0.24 mas^[1]
Distance	580 ± 30 ly (179 ± 8 pc)
Absolute magnitude (M_V)	−1.84^[4]

Details

Mass	3.72^[5] `M`_☉
Radius	31^[6] `R`_☉
Luminosity	438.33^[2] `L`_☉
Surface gravity (log g)	2.22^[5] cgs
Temperature	5,468^[5] K
Metallicity [Fe/H]	0.03^[5] dex
Rotational velocity (v sin i)	6.4^[7] km/s
Age	200^[7] Myr

Other designations
37 LMi, BD+32° 2061, FK5 1275, HD 92125, HIP 52098, HR 4166, SAO 62173^[8]
Database references
SIMBAD	data

37 Leonis Minoris information

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