7 Andromedae

7 Andromedae

Observation data Epoch J2000      Equinox J2000
Constellation	Andromeda
Right ascension	23h 12m 33.0034s
Declination	+49° 24' 22.346"'
Apparent magnitude (V)	4.54
Characteristics
Spectral type	F0V
U−B color index	0.04
B−V color index	0.29
Variable type	None
Astrometry
Radial velocity (Rv)	12.5 km/s
Proper motion (μ)	RA: 89.78 mas/yr Dec.: 95.57 mas/yr
Parallax (π)	40.82 ± 0.57 mas
Distance	80 ± 1 ly (24.5 ± 0.3 pc)
Absolute magnitude (MV)	4.819
Details
Mass	1.7 M☉
Radius	1.3 R☉
Luminosity	6 L☉
Surface gravity (log g)	? cgs
Temperature	6.000–7.500 K
Metallicity	?
Rotation	?
Age	? years
Other designations
7 And, GSC 03631-02231, 2MASS J23123299+4924222, TYC 3631-2231-1, AG+49° 2073, HD 219080, PLX 5615, UBV M 26889, BD+48° 3964, HIC 114570, PPM 63927, UBV 19855, GC 32316, HIP 114570, ROT 3378, GCRV 14562, HR 8830, SAO 52787, IRAS 23102+4908, GJ 891.1, JP11 3599, TD1 29694.
Database references
SIMBAD	data

7 Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 4.53.

References

• HR8830