σ-Gem (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , σ-Gem will become visible at around 20:19 (EDT), 74° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 03:46.
|
Name
σ-Gem
|
Object type
Star
|
Position
| Right ascension: | 07h43m18s [2] |
| Declination: | +28°53'00" [2] |
| Constellation: | Gemini |
| Magnitude: Variable | 4.25 (V) [2] 5.67 (BT) [2] 4.37 (VT) [2] |
| Distance: | 38.3 parsec 125.0 lightyrs [3] |
| B-V Color (mag): | 1.11 |
| Proper motion (speed): | 238.7 mas/yr[3] |
| Proper motion (pos ang): | 164.8° |
Derived quantities
| Absolute mag (V): | 1.33 |
Sources