η-Col (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , η-Col is not readily observable since it lies so far south that it will never rise more than 4° above the horizon.
Name
η-Col
|
Object type
Star
|
Other names
Position
Right ascension: | 05h59m08s [4] |
Declination: | −42°48'54" [4] |
Constellation: | Columba |
Magnitude: | 3.94 (V) [2] 5.41 (BT) [2] 4.06 (VT) [2] 3.64 (G) [4] 4.25 (BP) [4] 2.95 (RP) [4] |
Distance: | 135.1 parsec 440.4 lightyrs [4] |
B-V Color (mag): | 1.15 |
Proper motion (speed): | 21.9 mas/yr[4] |
Proper motion (pos ang): | 120.3° |
Derived quantities
Absolute mag (V): | -1.72 |
Sources