21-Ari (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From South El Monte , 21-Ari will become visible at around 18:25 (PST), 70° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:23.

Name 21-Ari
Object type Star
Other names
21-Ari
21 Arietis
HR 657[1]
HD 13872
HIP 10535[3]
TYC 1769-1309-1[2]
Position
Right ascension:02h15m42s [2]
Declination:+25°02'34" [2]
Constellation:Aries
Magnitude:5.59 (V) [2]
6.18 (BT) [2]
5.64 (VT) [2]
Distance:51.1 parsec
166.5 lightyrs [3]
B-V Color (mag):0.46
Proper motion (speed):124.6 mas/yr[3]
Proper motion (pos ang):226.1°
Derived quantities
Absolute mag (V):2.05

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