
Star profile
Phi Pegasi
Variable starWhat is Phi Pegasi
φ Pegasi is a cool red M-type giant within the Winged Horse, one of the vastest constellations of the northern firmament. Variable and some 463 light-years away, her distended atmosphere pulses slowly, shedding faint shells of gas into space. Her reddish tint sets her apart from the bluish-white field that dominates Pegasus.
Where it is and when to see it
Phi Pegasi lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is September, when it culminates around midnight.
- From London it culminates about 58° above the horizon.
- From New York it culminates about 68° above the horizon.
- From Sydney it culminates about 37° above the horizon.
It can be seen from anywhere north of 71° S.
It ranks no. 33 in brightness among the 98 stars of Pegasus in our catalogue. To find it, start from Enif, the brightest: it lies about 32° away (a fist at arm's length covers about 10°).
The light you see today left it about 460 years ago.
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Astronomical data for Phi Pegasi
- Constellation
- Pegasus
- Apparent magnitude
- 5.06
- Distance
- 462.7 light years
- Coordinates (J2000)
- RA 358.122° · Dec 19.120°
- Catalogue
- HIP 117718 · HD 223768
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Other stars in Pegasus
Pegasus has 98 stars in Stelvia's catalogue. Here are a few of them.
- EnifEpsilon Pegasi2.38
- ScheatBeta Pegasi2.44
- MarkabAlpha Pegasi2.49
- 78 Pegasi4.93
- 72 Pegasi4.97
- 57 Pegasi5.05
- 14 Pegasi5.07
- 16 Pegasi5.09