NGC 7243
NGC 7243 (Photo: Serge Corrotte) | |
AladinLite | |
Constellation | lizard |
Position equinox : J2000.0 |
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Right ascension | 22 h 15 m 08.5 s |
declination | + 49 ° 53 ′ 51 ″ |
Appearance
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classification | IV2p |
Physical data
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Affiliation | Milky Way |
Redshift | −0.000042 |
distance | 2,600 ly |
Absolute brightness | 6.4 mag |
diameter | 16 years |
Age | > 100 million years |
history | |
Discovered by | William Herschel |
Discovery time | September 26, 1788 |
Catalog names | |
NGC 7243 • C 16 • OCl 221 • Mel 240 • Cr 448 • Lund 1009 • GC 4773 • H VIII-75 • h 2155 • |
NGC 7243 is an open cluster of Trumpler type IV2p in the constellation Lizard on the northern sky . It has a diameter of 21 'and an apparent magnitude of +6.40 mag. The cluster is 2,600 light-years away, around 16 light-years in diameter, and just over 100 million years old.
The object was discovered on September 26, 1788 by William Herschel .
Individual evidence
- ↑ Klaus-Peter Schröder in: Stars and Space September 2012 p. 72f
- ↑ http://cseligman.com/text/atlas/ngc72.htm#7243
- ↑ SIMBAD Database