Matar
Also known as η Peg · HR 8650
Matar is a spectroscopic binary star in the constellation Pegasus, about 240 light-years from Earth.
Facts
| Type | Spectroscopic binary star (spectral type G8II+F0V) |
|---|---|
| Constellation | Pegasus |
| Position (J2000) | 22h 43m 00s, +30° 13′ |
| Distance | 240 light-years (its light set off about 240 years ago) |
| Brightness | magnitude 2.95 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Size on the sky | 0′ (the full Moon is about 31′) |
| Studied in | 209 scientific papers (SIMBAD) |
When and how to see it
Matar is highest in the sky at midnight in August. From India (about 20° N) it climbs to about 80° above the horizon; from 50° N, to about 70°. To see it you need the naked eye, even from a town.
Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.
For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.
More in Pegasus
Everything in Pegasus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits