NGC 1971
Open cluster in the constellation Dorado
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NGC 1971 (also known as ESO 56-SC128) is an open cluster which is in the Dorado constellation and is part of the Large Magellanic Cloud (LMC). It was discovered by English astronomer John Herschel on December 23, 1834.[5] The apparent size of this cluster is 11.9 by 0.80 arcminutes.[3][2] NGC 1971 may form part of a triple system, along with the open clusters NGC 1972 and NGC 1969. They belong to the LH 59 association in the eastern section of the LMC bar.[6]
Rightascension05h 26m 45.58s[1]
Declination−67° 51′ 03.2″[1]
Apparent magnitude(V)11.9[2]
Apparent dimensions(V)0.8[3]
| NGC 1971 | |
|---|---|
NGC 1971 in the centre with NGC 1972 just above it and NGC 1969, just right of it. | |
| Observation data (J2000 epoch) | |
| Right ascension | 05h 26m 45.58s[1] |
| Declination | −67° 51′ 03.2″[1] |
| Apparent magnitude (V) | 11.9[2] |
| Apparent dimensions (V) | 0.8[3] |
| Physical characteristics | |
| Estimated age | 160 Myr[4] |
| Other designations | ESO 56-SC128, GC 1176, h 2875[3] |
| Associations | |
| Constellation | Dorado |
This is a young cluster that appears to show an age spread of around 170 million years in its member stars.[7] The actual age of the cluster is 160 million years.[4]
