Gliese 3685 A

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Gliese 3685 A
Observation data
Epoch J2000      Equinox J2000
Constellation Leo
Right ascension 11h 47m 40.74s
Declination +00° 15′ 20.2″
Apparent magnitude (V) 13.37
Characteristics
Spectral type M4V
U−B color index  ?
B−V color index  ?
Variable type None
Astrometry
Proper motion (μ) RA: -311 mas/yr
Dec.: -101 mas/yr
Distance 45 ly
Details
Mass ? M☉
Radius ? R☉
Luminosity ? L☉
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Other designations
2MASS J11474074+0015201, LP 613-49, MGC 24663, LTT 13239, USNO-B1.0 0902-00204368.

Gliese 3685 A is the primary companion of Gliese 3685. It is a very old red dwarf that is also a flare star. A 20-minute flare was observed in 2004 by the GALEX satellite.[1]

References

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