- Mu Arietis
-
μ Arietis Observation data
Epoch J2000 Equinox J2000Constellation Aries Right ascension 02h 42m 21.9397s Declination +20° 00′ 41.274″ Apparent magnitude (V) 5.738 Characteristics Spectral type A0V U−B color index -0.03 B−V color index -0.02 Astrometry Radial velocity (Rv) -7 km/s Proper motion (μ) RA: 27.49 mas/yr
Dec.: -46.08 mas/yrParallax (π) 9.64 ± 0.88 mas Distance 340 ± 30 ly
(104 ± 9 pc)Absolute magnitude (MV) 5.72 Details Mass 3.1 M☉ Radius 2.1 R☉ Luminosity 40 L☉ Temperature 7,500–10,000 K Rotational velocity (v sin i) 195 km/s Other designations Database references SIMBAD data Data sources: Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)Database references SIMBAD data Mu Arietis (μ Ari, μ Arietis) is a star system in the constellation Aries. It is approximately 338 light years from Earth.
It consists of a spectroscopic binary[citation needed] and a third component. The binary is classified as a white A-type main sequence dwarf with an apparent magnitude of +5.74. The two components are separated by 0.05 arcseconds and have an orbital period of 8.8 years.[citation needed] The third component is 19.1 arcseconds distant and has an apparent magnitude of +12.1.
References
Bayer Flamsteed - 1
- 4
- 5 (γ, Mesarthim)
- 6 (β, Sheratan)
- 7
- 8 (ι)
- 9 (λ)
- 10
- 11
- 12 (κ)
- 13 (α, Hamal)
- 14
- 15
- 16
- 17 (η)
- 19
- 20
- 21
- 22 (θ)
- 23
- 24 (ξ)
- 26
- 27
- 29
- 30
- 31
- 32 (ν)
- 33
- 34 (μ)
- 35
- 36
- 37 (ο)
- 38
- 39
- 40
- 41 (c, Bharani)
- 42 (π)
- 43 (σ)
- 44 (ρ¹)
- 45 (ρ²)
- 46 (ρ³)
- 47
- 48 (ε)
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57 (δ, Botein)
- 58 (ζ)
- 59
- 60
- 61 (τ¹)
- 62
- 63 (τ²)
- 64
- 65
- 66
- 54 Cet
- 85 Cet
Nearby - Teegarden's star
- TZ
- Gliese 109
- GJ 3146
Categories:- Multiple star stubs
- Henry Draper Catalogue objects
- HIP objects
- Bayer objects
- Aries constellation
- Flamsteed objects
- Spectroscopic binaries
- A-type main sequence stars
Wikimedia Foundation. 2010.
