Naos
Also known as ζ Pup · HR 3165
Naos is a BY dra variable star in the constellation Puppis, about 1,080 light-years from Earth.
Facts
| Type | BY dra variable star (spectral type O4I(n)fp) |
|---|---|
| Constellation | Puppis |
| Position (J2000) | 8h 03m 35s, −40° 00′ |
| Distance | 1,080 light-years (its light set off about 1,080 years ago) |
| Brightness | magnitude 2.25 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Studied in | 1,200 scientific papers (SIMBAD) |
When and how to see it
Naos is highest in the sky at midnight in January. From India (about 20° N) it climbs to about 30° above the horizon; from 50° N it never rises. 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 Puppis
Everything in Puppis · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits