Abell 70
| Abell 70 | |
|---|---|
|
As seen from Mount Lemmon Sky Center | |
| Observation data (Epoch J2000) | |
| Right ascension | 20h 31m 33.2s |
| Declination | −07° 05′ 17″ |
| Constellation | Aquila |
| Physical characteristics | |
| Notable features | A background galaxy gives it a "diamond ring" effect |
| Other designations | PK 038-25.1, PN G 38.1-25.4 |
Abell 70 is a planetary nebula located 13,500-17,500 light years away in the constellation of Aquila. It is approaching the earth at 79 kilometers per second and expanding 38 kilometers per second. There is a galaxy named PMN J2033-0656 behind Abell 70, giving it a diamond ring affect.
Central Star
The central star of Abell 70 is a binary star consisting of a white dwarf and a barium star.
Composition
Seen through a telescope, you can see the faint OIII ring structure.
References
- http://www.astronomy-mall.com/Adventures.In.Deep.Space/abellcat
- http://www.annesastronomynews.com/annes-image-of-the-day-planetary-nebula-abell-70/