τ⁷-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 , τ⁷-Ser will become visible at around 21:37 (EDT), 61° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 03:41.
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|
Name
τ⁷-Ser
|
Object type
Star
|
Other names
Position
| Right ascension: | 15h41m54s [4] |
| Declination: | +18°27'51" [4] |
| Constellation: | Serpens Caput |
| Magnitude: | 5.80 (V) [2] 6.04 (BT) [2] 5.82 (VT) [2] 5.77 (G) [4] 5.86 (BP) [4] 5.59 (RP) [4] |
| Distance: | 53.4 parsec 174.2 lightyrs [4] |
| B-V Color (mag): | 0.19 |
| Proper motion (speed): | 82.2 mas/yr[4] |
| Proper motion (pos ang): | 311.4° |
Derived quantities
| Absolute mag (V): | 2.16 |
Visibility from Cambridge
All times shown in Cambridge local time.