σ-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 , σ-Ser is visible all night. It will become visible at around 21:25 (EDT), 24° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:14, 48° above your southern horizon. It will be lost to dawn twilight at around 03:54, 35° above your south-western horizon.
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|
Name
σ-Ser
|
Object type
Star
|
Other names
Position
| Right ascension: | 16h22m04s [4] |
| Declination: | +01°01'45" [4] |
| Constellation: | Serpens Caput |
| Magnitude: | 4.83 (V) [2] 5.22 (BT) [2] 4.86 (VT) [2] 4.74 (G) [4] 4.90 (BP) [4] 4.43 (RP) [4] |
| Distance: | 28.1 parsec 91.7 lightyrs [4] |
| B-V Color (mag): | 0.31 |
| Proper motion (speed): | 166.1 mas/yr[4] |
| Proper motion (pos ang): | 287.7° |
Derived quantities
| Absolute mag (V): | 2.58 |
Visibility from Cambridge
All times shown in Cambridge local time.