NGC 2440
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| Planetary nebula | Lists of nebulae |
|---|---|
 |
|
| Observation data (Epoch J2000) |
|
| Right ascension | 07h 41m 54.91s[1] |
| Declination | -18° 12′ 29.7″[1] |
| Distance | |
| Apparent magnitude (V) | 18.9B[1] |
| Apparent dimensions (V) | 1′.3 |
| Constellation | Puppis |
| Physical characteristics | |
| Radius | |
| Absolute magnitude (V) | |
| Notable features | |
| Other designations | |
NGC 2440 is a planetary nebula, one of some 1,500 in our galaxy. Its central star, a white dwarf (HD 62166[1]), has an exceptionally high surface temperature of 200,000 degrees Celsius.[citation needed] The nebula is situated in the Puppis constellation.
[edit] External links
- http://antwrp.gsfc.nasa.gov/apod/ap070215.html
- http://antwrp.gsfc.nasa.gov/apod/ap060507.html
- http://antwrp.gsfc.nasa.gov/apod/ap050123.html
- http://antwrp.gsfc.nasa.gov/apod/ap040111.html
- http://antwrp.gsfc.nasa.gov/apod/ap010805.html
- http://antwrp.gsfc.nasa.gov/apod/ap000730.html
- http://antwrp.gsfc.nasa.gov/apod/ap990703.html
- http://antwrp.gsfc.nasa.gov/apod/ap980426.html
- http://antwrp.gsfc.nasa.gov/apod/ap951130.html
[edit] Notes
- ^ a b c d (SIMBAD 2007)
[edit] References
- SIMBAD (January 9, 2007), Results for NGC 2440, SIMBAD, Centre de Données Astronomiques de Strasbourg
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