GJ 1245

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**GJ 1245 A / B / C**
Observation data Epoch J2000
Constellation (pronunciation)	Cygnus
Right ascension	19h 53m 54.492s
Declination	+44° 24' 53.41"'
Apparent magnitude (V)	13.41 / 14.01 / 16.75
Characteristics
Spectral type	M5.5 / M6 / M?
U-B color index	?
B-V color index	?
Variable type	None
Astrometry
Proper motion (μ)	RA: 397 mas/yr Dec.: -482 mas/yr
Parallax (π)	215 ± 3.0 mas
Distance	15.2 ± 0.2 ly (4.65 ± 0.06 pc)
Absolute magnitude (M_V)	15.31 / 15.72 / 18.46
Details
Mass	? M_☉
Radius	? R_☉
Surface gravity (log g)	?
Luminosity	0.000084 / 0.000048 L_☉
Temperature	? K
Metallicity	?
Rotation	?
Age	? years
Visual binary orbit
Companion	GJ 1245 B
Period (P)	0 yr
Semimajor axis (a)	33 AU"
Eccentricity (e)	0
Inclination (i)	0°
Longitude of the node (Ω)	0°
Periastron epoch (T)	0
Other designations
V1581 Cyg, IDS 19506+4410 A, NLTT 48414, Zkh 298, LHS 3494, G 208-44, LSPM J1953+4424W, USNO 892, GJ 1245 A, 2MASS J19535443+4424541, USNO 353.
Database references
SIMBAD	data

GJ 1245 or V1581 Cygni is a star system, 14 light-years away, relatively close to our Solar System. The star system contains GJ 1245 A, GJ 1245 B, and GJ 1245 C. All of the stars are rather dim. It is the 38th closest stellar system to the solar system, located in the constellation Cygnus.^[1]