Epsilon Geminorum information

ε Geminorum
	Location of ε Geminorum (circled)
Observation data; Epoch J2000 Equinox J2000
Constellation	Gemini
Right ascension	06h 43m 55.927s
Declination	+25° 07′ 52.06″
Apparent magnitude (V)	+3.06
Characteristics
Spectral type	G8 Ib
U−B color index	+1.46
B−V color index	+1.40
Astrometry
Radial velocity (Rv)	+8.09±0.14 km/s
Proper motion (μ)	RA: −4.835 mas/yr ; Dec.: −11.78 mas/yr
Parallax (π)	3.748 ± 0.184 mas
Distance	861+52; −39 ly ; (264+16; −12 pc)
Absolute magnitude (MV)	−3.90
Details
Mass	5.29±0.04 – 8.33 M☉
Radius	130.2+5.5; −6 R☉
Luminosity	7,780 L☉
Surface gravity (log g)	0.76 cgs
Temperature	5009±63 K
Metallicity [Fe/H]	0.15±0.07 dex
Rotational velocity (v sin i)	8.7±1.0 km/s
Age	100 Myr
Other designations
	Epsilon Gem, ε Gem, 27 Geminorum, FK5 254, HD 48329, HIP 32246, HR 2473, SAO 78682
Database references
SIMBAD	data

Epsilon Geminorum or ε Geminorum, formally named Mebsuta /mɛbˈsuːtə/,^[11]^[12] is a star in the constellation of Gemini, on the outstretched right 'leg' of the twin Castor. The apparent visual magnitude of +3.06^[2] makes it one of the brighter stars in this constellation. The distance to this star is determined at 860 light-years (260 parsecs).^[6]

^ ^a ^b ^c ^d Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
^ ^a ^b Cite error: The named reference aaa352_495 was invoked but never defined (see the help page).
^ Cite error: The named reference aj118_6_3032 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference clpl4_99 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference aaa395_97 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference b-j was invoked but never defined (see the help page).
^ Cite error: The named reference park was invoked but never defined (see the help page).
^ ^a ^b ^c ^d ^e Cite error: The named reference baines2018 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference Ayres2023 was invoked but never defined (see the help page).
^ Cite error: The named reference aaa525_A71 was invoked but never defined (see the help page).
^ Cite error: The named reference Davis44 was invoked but never defined (see the help page).
^ Cite error: The named reference IAU-CSN was invoked but never defined (see the help page).

[dr3-1] Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.

[aaa352_495-2] Cite error: The named reference aaa352_495 was invoked but never defined (see the help page).

[aj118_6_3032-3] Cite error: The named reference aj118_6_3032 was invoked but never defined (see the help page).

[clpl4_99-4] Cite error: The named reference clpl4_99 was invoked but never defined (see the help page).

[aaa395_97-5] Cite error: The named reference aaa395_97 was invoked but never defined (see the help page).

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

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

[baines2018-8] Cite error: The named reference baines2018 was invoked but never defined (see the help page).

[Ayres2023-9] Cite error: The named reference Ayres2023 was invoked but never defined (see the help page).

[aaa525_A71-10] Cite error: The named reference aaa525_A71 was invoked but never defined (see the help page).

[Davis44-11] Cite error: The named reference Davis44 was invoked but never defined (see the help page).

[IAU-CSN-12] Cite error: The named reference IAU-CSN was invoked but never defined (see the help page).

Observation data Epoch J2000 Equinox J2000
Location of ε Geminorum (circled)
Constellation	Gemini
Right ascension	06^h 43^m 55.927^s^[1]
Declination	+25° 07′ 52.06″^[1]
Apparent magnitude (V)	+3.06^[2]
Characteristics
Spectral type	G8 Ib^[3]
U−B color index	+1.46^[4]
B−V color index	+1.40^[4]
Astrometry

Radial velocity (R_v)	+8.09±0.14^[5] km/s
Proper motion (μ)	RA: −4.835 mas/yr^[1] Dec.: −11.78 mas/yr^[1]
Parallax (π)	3.748 ± 0.184 mas^[1]
Distance	861+52 −39 ly (264+16 −12 pc)^[6]
Absolute magnitude (M_V)	−3.90^[7]

Details

Mass	5.29±0.04^[8] – 8.33^[9] `M`_☉
Radius	130.2+5.5 −6^[8] `R`_☉
Luminosity	7,780^[9] `L`_☉
Surface gravity (log g)	0.76^[8] cgs
Temperature	5009±63^[8] K
Metallicity [Fe/H]	0.15±0.07^[10] dex
Rotational velocity (v sin i)	8.7±1.0^[5] km/s
Age	100^[8] Myr

Other designations
Epsilon Gem, ε Gem, 27 Geminorum, FK5 254, HD 48329, HIP 32246, HR 2473, SAO 78682
Database references
SIMBAD	data

Epsilon Geminorum information

and 25 Related for: Epsilon Geminorum information

Epsilon Geminorum

Hertzsprung gap

List of nearest supergiants

Zeta Geminorum

37 Geminorum

List of brightest natural objects in the sky

Mu Geminorum

Planetary transits and occultations

List of Arabic star names

Stellar classification

Xi Geminorum

April 1976

Rho Geminorum

Regulus

List of proper names of stars

Giant star

List of stars with resolved images

Capella

List of largest stars

List of brown dwarfs

List of nearest bright stars

List of smallest known stars

Gliese 251

Binary star

List of Chinese star names