Astronomy:NGC 1987
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Short description: Star cluster in the constellation Mensa
| NGC 1987 | |
|---|---|
 NGC 1987, imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Mensa |
| Right ascension | 05h 27m 17.2s[1] |
| Declination | −70° 44′ 15″[1] |
| Apparent magnitude (V) | 12.1 [1][2] |
| Physical characteristics | |
| Other designations | ESO 56-SC131, GC 1190, h 2885[3] |
NGC 1987 (also known as ESO 56-SC131) is an open cluster or a globular cluster located in the Mensa constellation and part of the Large Magellanic Cloud. It was discovered by John Herschel on November 3, 1834. Its apparent magnitude is 12.1, and its size is 1.7 arc minutes.[1][2][4] It is thought to be around 600 million years old and has a significant number of red ageing stars.[5]
References
- ↑ 1.0 1.1 1.2 1.3 "Object: NGC 1987 (*)". SEDS. http://spider.seds.org/ngc/revngcic.cgi?ngc1987.
- ↑ 2.0 2.1 "NGC 1987". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+1987.
- ↑ "NGC 1987". SEDS. http://spider.seds.org/ngc/ngc.cgi?1987.
- ↑ "NGC 1987 (in the Large Magellanic Cloud)". cseligman. http://cseligman.com/text/atlas/ngc19a.htm#1987.
- ↑ Zinnecker, H.; Ferraro, F.; Fusi Pecci, F.; Renzini, Alvio; Buonanno, R.; Corsi, C.E.; Turndrup, D.M. (1991-02-28). "Infrared Imaging of Intermediate Age LMC/SMC Clusters". in Haynes, Raymond; Milne, Douglas. The Magellanic Clouds: Proceedings of the 148th Symposium of the International Astronomical Union, held in Sydney, Australia, July 9–13, 1990. New York: Springer Science & Business Media. pp. 228–30. ISBN 9780792311102. https://books.google.com/books?id=F4lsaf2TTh4C&pg=PA229.
External links
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