Shapley 1
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Planetary Nebula Shapley 1 |
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| Image of the New Technology Telescope at the La Silla Observatory in Chile | |
| AladinLite | |
| Constellation | Angle measure |
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Position equinox : J2000.0 |
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| Right ascension | 15h 51m 42.75s |
| declination | -51 ° 31 ′ 30.5 ″ |
| Appearance | |
| Apparent brightness (visual) | 12.6 mag
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| Central star | |
| Apparent brightness | 14 likes |
| Physical data | |
| distance | ~ 1000 ly |
| history | |
| discovery | Harlow Shapley |
| Date of discovery | 1936 |
| Catalog names | |
| PK 329 + 02.1 • PN G329.0 + 01.9 • ESO 225-PN2 • | |
Shapley 1 ( Sp 1 or PN G329.0 + 01.9 ) is a ring-shaped planetary nebula in the constellation Winkelpunkt , which is approximately 1000 light years away. It has an angular extent of 1.1 arc minutes, which, taking into account the distance, corresponds to a diameter of a third of a light year. In the center there is a double system with a duration of 2.9 days.
Shapley 1 was discovered and cataloged by Harlow Shapley in 1936 .
Web links
astronews.com: Picture of the day August 12, 2011
Individual evidence
- ↑ a b Shapley 1 . Astrosurf. Retrieved October 12, 2009.
- ↑ a b c Darling, David: Shapley 1 . In: David Darling Encyclopedia . Retrieved October 21, 2009.
- ^ The planetary nebula Shapley 1 . In: Image Catalog . Anglo-Australian Observatory. Retrieved October 21, 2009.
- ^ Shapley 1 . In: Space Images . Northwestern University. Retrieved October 21, 2009.
- ↑ http://www.daviddarling.info/encyclopedia/S/Shapley_1.html