Omega Andromedae

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**ω Andromedae**
Observation data Epoch J2000
Image:Omega Andromedae.jpg ω Andromedae
Constellation (pronunciation)	Andromeda
Right ascension	01^h 27^m 39.3817^s
Declination	+45° 24′ 24.074″
Apparent magnitude (V)	4.84
Characteristics
Spectral type	F5 IVe
U-B color index	0
B-V color index	0.42
Astrometry
Radial velocity (R_v)	10.8 km/s
Proper motion (μ)	RA: 356.99 mas/yr Dec.: -109.32 mas/yr
Parallax (π)	35.33 ± 0.82 mas
Distance	92 ± 2 ly (28.3 ± 0.7 pc)
Absolute magnitude (M_V)	5.25
Details
Age	? years
Visual binary orbit
Companion	ω And B
Semimajor axis (a)	1.8"
Inclination (i)	118°
Visual binary orbit
Companion	β And C
Semimajor axis (a)	119"
Inclination (i)	111°
Visual binary orbit
Companion	β And D
Semimajor axis (a)	4.9"
Inclination (i)	136°
Other designations
48 Andromedae, HR 417, HD 8799, BD+44°307, FK5 1040, HIP 6813, SAO 37228, GC 1752, ADS 1152, CCDM 01277+4524 .
Database references
SIMBAD	data
Database references
SIMBAD	data

Omega Andromedae (ω And / ω Andromedae) is a star system in the constellation Andromeda. It is approximately 92.3 light years from Earth.

The system is composed of two binary stars separated by 120 arcseconds on the sky. The primary component, ω Andromedae A, is a yellow-white F-type subgiant with an apparent magnitude of +4.83. It's binary companion, ω Andromedae B, is a 12th magnitude star 2 arcseconds away. The second binary, ω Andromedae C and D, is a pair of 10th magnitude stars separated by 4.9 arcseconds.

[edit] Location

Andromeda Constellation

[edit] References

Image ω Andromedae

[edit] Components

NAME	Right ascension	Declination	Apparent magnitude (V)	Database references
ω Andromedae B (ADS 1152 C)	01^h 27^m 42^s	+45° 24'		Simbad
ω Andromedae C (CCDM J01277+4524CD)	01^h 27^m 39.2^s	+45° 24' 22	10.4	Simbad
ω Andromedae D (ADS 1152 D)	01^h 27^m 42^s	+45° 24'		Simbad