R-Ser (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , R-Ser will become visible at around 19:48 (EDT), 39° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:29.
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|
Name
R-Ser
|
Object type
Star
|
Other names
Position
| Right ascension: | 15h50m41s [4] |
| Declination: | +15°08'00" [4] |
| Constellation: | Serpens Caput |
| Magnitude: Variable | 9.50 (V) [2] 10.71 (BT) [2] 9.60 (VT) [2] 7.15 (G) [4] 11.76 (BP) [4] 5.45 (RP) [4] |
| Distance: | 668.1 parsec 2178.0 lightyrs [4] |
| B-V Color (mag): | 0.94 |
| Proper motion (speed): | 37.3 mas/yr[4] |
| Proper motion (pos ang): | 179.0° |
Derived quantities
| Absolute mag (V): | 0.38 |
Visibility from Cambridge
All times shown in Cambridge local time.