Eta Aquilae
Also known as eta Aql
Eta Aquilae is a classical Cepheid variable star in the constellation Aquila, about 890 light-years from Earth.
Bright Cepheid variable
Facts
| Type | Classical Cepheid variable star (spectral type F6Iab+B9.8V) |
|---|---|
| Constellation | Aquila |
| Position (J2000) | 19h 52m 28s, +1° 00′ |
| Distance | 890 light-years (its light set off about 890 years ago) |
| Brightness | magnitude 3.8 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Studied in | 705 scientific papers (SIMBAD) |
When and how to see it
Eta Aquilae is highest in the sky at midnight in July. From India (about 20° N) it climbs to about 71° above the horizon; from 50° N, to about 41°. 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 Aquila
- Altair
- Gaia BH3
- GRS 1915+105
- HD 180617
- Hulse-Taylor Pulsar
- Manatee Nebula
- Phantom Streak Nebula (NGC 6741)
- SS 433
Everything in Aquila · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits