Alnair (Star)

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

Show information for


From Cambridge , Alnair is not readily observable since it lies so far south that it will never rise more than 0° above the horizon.

Name Alnair
Object type Star
Other names
Alnair
α-Gru
Alpha Gruis
HR 8425[1]
HD 209952
NSV 14040
HIP 109268[5]
TYC 8438-1959-1[4]
Position
Right ascension:22h08m13s [3]
Declination:-46°57'38" [3]
Constellation:Grus
Magnitude:
Variable
1.77 (V) [3]
1.68 (BT) [2]
1.76 (VT) [2]
Distance:31.0 parsec
101.0 lightyrs [5]
B-V Color (mag):-0.07
Proper motion (speed):194.4 mas/yr[5]
Proper motion (pos ang):139.3°
Derived quantities
Absolute mag (V):-0.68

Share