δ¹-Lyr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , δ¹-Lyr will become visible at around 17:23 (EST), 47° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:40.
Name
δ¹-Lyr
|
Object type
Star
|
Other names
Position
Right ascension: | 18h53m43s [4] |
Declination: | +36°58'18" [4] |
Constellation: | Lyra |
Magnitude: Variable | 5.56 (V) [2] 5.39 (BT) [2] 5.55 (VT) [2] 5.55 (G) [4] 5.47 (BP) [4] 5.66 (RP) [4] |
Distance: | 355.5 parsec 1158.8 lightyrs [4] |
B-V Color (mag): | -0.14 |
Proper motion (speed): | 3.2 mas/yr[4] |
Proper motion (pos ang): | 154.0° |
Derived quantities
Absolute mag (V): | -2.19 |
Sources