λ-Cyg (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , λ-Cyg is visible in the dawn sky, rising at 21:37 (EDT) and reaching an altitude of 62° above the eastern horizon before fading from view as dawn breaks at around 04:13.
|
Name
λ-Cyg
|
Object type
Star
|
Position
| Right ascension: | 20h47m24s [3] |
| Declination: | +36°29'26" [3] |
| Constellation: | Cygnus |
| Magnitude: | 4.57 (V) [3] 4.42 (BT) [2] 4.55 (VT) [2] |
| Distance: | 235.8 parsec 768.9 lightyrs [5] |
| B-V Color (mag): | -0.11 |
| Proper motion (speed): | 17.2 mas/yr[5] |
| Proper motion (pos ang): | 121.3° |
Derived quantities
| Absolute mag (V): | -2.29 |
Sources