ζ¹-CrB (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , ζ¹-CrB will become visible at around 20:54 (PDT), 73° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 03:37.
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Name
ζ¹-CrB
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Object type
Star
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Other names
ζ¹-CrB
Zeta1 Coronae Borealis
7-CrB
7 Coronae Borealis
HD 139891
TYC 2577-1753-1[2]
Gaia EDR3- 1374695306328813696[3]
Zeta1 Coronae Borealis
7-CrB
7 Coronae Borealis
HD 139891
TYC 2577-1753-1[2]
Gaia EDR3- 1374695306328813696[3]
Position
| Right ascension: | 15h39m22s [3] |
| Declination: | +36°38'12" [3] |
| Constellation: | Corona Borealis |
| Magnitude: | 5.93 (V) [1] 5.98 (G) [3] 5.91 (BP) [3] 6.06 (RP) [3] |
| Distance: | 156.1 parsec 508.9 lightyrs [3] |
| B-V Color (mag): | -0.11 |
| Proper motion (speed): | 14.5 mas/yr[3] |
| Proper motion (pos ang): | 254.4° |
Derived quantities
| Absolute mag (V): | 0.03 |
Sources