O-Per (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From Fairfield , o-Per is visible in the dawn sky, rising at 00:23 (EDT) and reaching an altitude of 35° above the eastern horizon before fading from view as dawn breaks at around 04:11.

Name O-Per
Object type Star
Other names
o-Per
o Persei
40-Per
40 Persei
HR 1123[1]
HD 22951
HIP 17313[3]
TYC 2363-2185-1[2]
Gaia EDR3- 218170461600456576[4]
Position
Right ascension:03h42m22s [4]
Declination:+33°57'54" [4]
Constellation:Perseus
Magnitude:4.97 (V) [2]
4.90 (BT) [2]
4.96 (VT) [2]
4.92 (G) [4]
4.91 (BP) [4]
4.91 (RP) [4]
Distance:369.9 parsec
1205.9 lightyrs [4]
B-V Color (mag):-0.05
Proper motion (speed):5.7 mas/yr[4]
Proper motion (pos ang):147.4°
Derived quantities
Absolute mag (V):-2.87

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