Alpha Pegasi
Sign in to saveAlso known as Markab, Alpha Peg, α Peg, α Pegasi, * alf Peg, alf Peg, 54 Peg, 54 Pegasi
star in the constellation Pegasus
Key facts
- Constellation
- Pegasus
- Right ascension
- 23 04 45.65345
- Declination
- +15 ° 12 ′ 18.9617 ″
- Spectral type
- B9V, B9.5III, B9III A0 IV
- U b color index
- −0.06
- B v color index
- −0.04
- Variable type
- suspected
via Wikipedia infobox
Wikidata facts
- Distance from Earth
- 140
- Image
- Pegasus constellation map.png
Show 17 more facts
- catalog code
- ALS 16176
- Commons category
- Orion (constellation)
- spectral class
- B9.5VSB:,V
- stellar rotational velocity
- 100
- apparent magnitude
- 2.503658
- right ascension
- 346.190222691
- declination
- 15.205267148
- effective temperature
- 11000
- radial velocity
- -2.5
- parallax
- 23.36
- luminosity
- 160
- absolute magnitude
- -0.57
- right ascension component of proper motion
- 58
- declination component of proper motion
- -39
- age estimated by a dating method
- 200
- surface gravity
- 10000
- metallicity
- 0
via Wikidata · CC0
~2 min read
Article
Alpha Pegasi (α Pegasi, abbreviated Alpha Peg, α Peg), formally named Markab /ˈmɑːrkæb/, is the third-brightest star in the constellation of Pegasus and one of the four stars in the asterism known as the Great Square of Pegasus.
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Pegasus
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