Beta Arietis

Also known as Sheratan, GJ 80, HD 11636, 6 Ari, Renson 2970, ROT 269, SAO 75012, HR 553

binary star system in the constellation Aries

Key facts

Constellation: Aries
Right ascension: 01 54 38.41099
Declination: +20 ° 48 ′ 28.9133 ″
Apparent magnitude v: 2.655 (2.712 + 5.789 )
Spectral type: A3V + G2V
U b color index: +0.170
B v color index: +0.142

via Wikipedia infobox

Wikidata facts

Distance from Earth: 18

Show 16 more facts

spectral class: A5 V
catalog code: SKY# 2798
stellar rotational velocity: 65.0
apparent magnitude: 2.38
right ascension: 28.660045789
declination: 20.808031472
effective temperature: 7800
parallax: 54.74
radial velocity: -10.7
metallicity: -0.2
surface gravity: 10000
luminosity: 23
right ascension component of proper motion: 117
declination component of proper motion: -121
age estimated by a dating method: 0.3
absolute magnitude: 1.375

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Article

Beta Arietis is a binary star system in the constellation of Aries, marking the ram's second horn. Its identifier is a Bayer designation that is Latinized from β Arietis, and abbreviated Beta Ari or β Ari. It has the official name Sheratan, pronounced /ˈʃɛrətæn/. This system is visible to the naked eye as a point of light with a combined apparent visual magnitude of 2.65, making this the second-brightest star in the constellation. Located at a distance of 58.4 light-years (17.9 pc), the pair orbit each other with a period of 107 days.

Nomenclature