White star · Apus
η Apodis
Also known as: η Aps, HIP 69896
mag 4.9140 light-years
About
η Apodis is a white star of magnitude 4.9 in Apus, about 140 light-years away.
How to find it
- η Apodis is in the constellation Apus.
- Where on Earth: it is seen well, at least 10° up, from south of 1° S.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesNeeds a dark sky away from city lights.
- Binoculars (10×50)A sharp point; binoculars bring out its colour and the fainter stars around it.
- Telescope (6–8 inch)Still a point of light at any magnification — stars are too far away to show a disc. Low in the sky, bright stars twinkle and flash colours.
Stars look the same in any instrument: brighter and sharper, but never bigger.
Facts
| Designation | η Apodis (η Aps) |
|---|---|
| Hipparcos number | HIP 69896 |
| Type | White star |
| Spectral type | A2m |
| Colour | Yellowish whiteB−V colour index 0.24 |
| Magnitude | 4.9The smaller the number, the brighter. |
| Distance | 140 light-yearsThe light you see left it around 1890. |
| Proper motion | 0.068″ per year across the sky |
| Constellation | Apus |
| Right ascension (J2000) | 14h 18m 14.0s |
| Declination (J2000) | −81° 00′ 28″ |
Sources and credits
Star data: HYG Database by David Nash, CC BY-SA 4.0. All data sources →