Star profile
13 Pegasi
Variable starWhat is 13 Pegasi
13 Pegasi is an F-type variable star shining 109 light-years away, a distance well within reach of the modern Hipparcos satellite catalogues. It belongs to the family of light pulsators, brightening and dimming on hourly cycles as its atmosphere flexes rhythmically. It threads the background of Pegasus, the great squared horse that rules the autumn skies of the northern hemisphere.
Where it is and when to see it
13 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 August, when it culminates around midnight.
- From London it culminates about 56° above the horizon.
- From New York it culminates about 67° above the horizon.
- From Sydney it culminates about 39° above the horizon.
It can be seen from anywhere north of 73° S.
It ranks no. 44 in brightness among the 98 stars of Pegasus in our catalogue. To find it, start from Enif, the brightest: it lies about 8° away (a fist at arm's length covers about 10°).
The light you see today left it about 110 years ago.
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Astronomical data for 13 Pegasi
- Constellation
- Pegasus
- Apparent magnitude
- 5.34
- Distance
- 109.0 light years
- Coordinates (J2000)
- RA 327.536° · Dec 17.286°
- Catalogue
- HIP 107788 · HD 207652
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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
- 7 Pegasi5.30
- 82 Pegasi5.30
- 71 Pegasi5.33
- HIP 1096545.34
- 64 Pegasi5.35