δ-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 , δ-Per is visible in the dawn sky, rising at 22:42 (EDT) and reaching an altitude of 29° above the north-eastern horizon before fading from view as dawn breaks at around 04:04.

Name δ-Per
Object type Star
Other names
δ-Per
Delta Persei
39-Per
39 Persei
HR 1122[1]
HD 22928
HIP 17358[5]
TYC 3317-3034-1[4]
Position
Right ascension:03h42m55s [3]
Declination:+47°47'15" [3]
Constellation:Perseus
Magnitude:
Variable
3.02 (V) [3]
2.88 (BT) [2]
3.00 (VT) [2]
Distance:158.2 parsec
515.8 lightyrs [5]
B-V Color (mag):-0.11
Proper motion (speed):50.1 mas/yr[5]
Proper motion (pos ang):149.3°
Derived quantities
Absolute mag (V):-2.98

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