NGC 2440
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| Planetary nebula | Lists of nebulae |
|---|---|
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|
| Observation data (Epoch J2000.0) |
|
| Right ascension | 07h 42m 12s |
| Declination | -18° 13′ 23" |
| Distance | |
| Apparent magnitude (V) | |
| Apparent dimensions (V) | 1.3′ |
| Constellation | Puppis |
| Physical characteristics | |
| Radius | |
| Absolute magnitude (V) | |
| Notable features | |
| Other designations | NGC 2440 |
NGC 2440 is a planetary nebula, one of some 1,500 in our galaxy. It has been found to contain a white dwarf star with an exceptionally high surface temperature of 200,000 degrees Celsius. The nebula is situated in the Puppis constellation.
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