Markab (Star)

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

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From Cambridge , Markab is visible in the dawn sky, rising at 02:44 (EDT) – 3 hours and 6 minutes before the Sun – and reaching an altitude of 21° above the eastern horizon before fading from view as dawn breaks at around 04:50.

Name Markab
Object type Star
Other names
Markab
α-Peg
Alpha Pegasi
54-Peg
54 Pegasi
HR 8781[1]
HD 218045
NSV 14417
HIP 113963[5]
TYC 1711-2475-1[4]
Position
Right ascension:23h04m45s [3]
Declination:+15°12'19" [3]
Constellation:Pegasus
Magnitude:
Variable
2.49 (V) [3]
2.48 (BT) [2]
2.49 (VT) [2]
Distance:40.9 parsec
133.3 lightyrs [5]
B-V Color (mag):-0.01
Proper motion (speed):73.2 mas/yr[5]
Proper motion (pos ang):124.4°
Derived quantities
Absolute mag (V):-0.57

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