Rho Arietis

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The Bayer designation Rho Arietis (ρ Ari / ρ Arietis) is shared by three stars, ρ¹ Arietis through ρ³ Arietis, in the constellation Aries. In some instances ρ³ Ari is called simply ρ Ari.

[edit] ρ¹ Arietis

**ρ¹ Arietis**
Observation data Equinox J2000.0
Constellation	Aries
Right ascension	02^h 54^m 55.18^s
Declination	+17° 44' 05.0"
Apparent magnitude (V)	+7.01
Absolute magnitude (V)	+2.10
Distance	313 ± 34 ly (96 ± 11 pc)
Spectral type	A3
Other designations
44 Arietis, HD 18091, BD+17°454, HIP 13579, SAO 93178, GC 3492

Rho-1 Arietis is a white A-type star with an apparent magnitude of +7.01. It is approximately 313 light years from Earth.

[edit] ρ² Arietis

**ρ² Arietis**
Observation data Equinox J2000.0
Constellation	Aries
Right ascension	02^h 55^m 48.5^s
Declination	+18° 19' 54"
Apparent magnitude (V)	+5.76
Absolute magnitude (V)	+0.29
Distance	404 ± 44 ly (124 ± 14 pc)
Spectral type	M6-III:
Other designations
45 Arietis, RZ Arietis, HR 867, HD 18191, BD+17°457, HIP 13654, SAO 93189, GC 3517

Rho-2 Arietis is a M-type red giant with a mean apparent magnitude of +5.76. It is approximately 404 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +5.62 to +6.01 with a period of 30 days. It is also known by its variable star designation, RZ Arietis.

[edit] ρ³ Arietis

**ρ³ Arietis**
Observation data Equinox J2000.0
Constellation	Aries
Right ascension	02^h 56^m 26.1^s
Declination	+18° 01' 23"
Apparent magnitude (V)	+5.58
Absolute magnitude (V)	+2.86
Distance	115 ± 4 ly (35 ± 1 pc)
Spectral type	F6V
Other designations
46 Arietis, HR 869, HD 18256, BD+17°458, FK5 2204, HIP 13702, SAO 93195, GC 3532