NGC 2004 (also known as ESO 86-SC4) is an open cluster of stars in the southern constellation of Dorado. It was discovered by Scottish astronomer James Dunlop on September 24, 1826. This is a young, massive cluster with an age of about 20 million years and 23,000 times the mass of the Sun. It has a core radius of 2.85 ± 0.46 pc (9.3 ± 1.5 ly). NGC 2004 is a member of the Large Magellanic Cloud, which is a satellite galaxy of the Milky Way.
Open cluster in the constellation Dorado
NGC 2004
All data from the card 9
- Right ascension
- 05h 30m 41.340s
- Declination
- −67° 17′ 21.83″
- Distance
- 163.1 ± 0.3 ly (50 ± 0.1 pc)
- Apparent magnitude (V)
- 9.6
- Apparent dimensions (V)
- 3.0' × 2.8'
- Mass
- ~2.3×104 M☉
- Estimated age
- 20 Ma
- Other designations
- NGC 2004, ESO 86-SC4
- Constellation
- Dorado
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