Star profile

16 Pegasi

Variable star

3D likeness based on its real data · class B · ~15,000 K

What is 16 Pegasi

16 Pegasi is a blue B3V star and, on top of that, a rarity: it belongs to the slowly pulsating B class and has been confirmed as magnetic via spectropolarimetry with the Narval telescope in France and ESPaDOnS in Hawaii. Its brightness varies by only hundredths of a magnitude, yet its magnetic modulation hides a pattern near 1.44 days. It shines from 632 light-years away, near the neck of the winged horse.

Where it is and when to see it

16 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 64° above the horizon.
From New York it culminates about 75° above the horizon.
From Sydney it culminates about 30° above the horizon.

It can be seen from anywhere north of 64° S.

It ranks no. 35 in brightness among the 98 stars of Pegasus in our catalogue. To find it, start from Enif, the brightest: it lies about 16° away (a fist at arm's length covers about 10°).

The light you see today left it about 630 years ago.

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Astronomical data for 16 Pegasi

Constellation: Pegasus
Apparent magnitude: 5.09
Distance: 632.2 light years
Coordinates (J2000): RA 328.266° · Dec 25.925°
Catalogue: HIP 108022 · HD 208057

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Other stars in Pegasus

Pegasus has 98 stars in Stelvia's catalogue. Here are a few of them.

See all 98 stars in Pegasus