NGC 121

NGC 121
NGC 121
	Hubble Space Telescope image of globular cluster NGC 121
Observation data (J2000 epoch)
Constellation	Tucana
Right ascension	00h 26m 48.25s
Declination	−71° 32′ 8.4″
Distance	199.0 kly (61 Kpc)
Apparent magnitude (V)	11.24
Physical characteristics
Radius	175 light years (53.7 parsecs)
Estimated age	10 billion years
	See also: Globular cluster, List of globular clusters

NGC 121 is a globular cluster in the Small Magellanic Cloud, in the constellation of Tucana. It was first discovered by John Herschel on September 20, 1835. The compiler of the New General Catalogue, John Louis Emil Dreyer, described this object as "pretty bright, pretty small, little extended, very gradually brighter middle".^[3]

References[]

^ ^a ^b ^c "NASA/IPAC Extragalactic Database". Results for NGC 121. Retrieved 2015-09-29.
^ "NGC 121". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2015-09-29.
^ ^a ^b ^c "New General Catalogue Objects: NGC 100-149". Retrieved 2015-09-29.

External links[]

Media related to NGC 121 at Wikimedia Commons

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[ned-1] "NASA/IPAC Extragalactic Database". Results for NGC 121. Retrieved 2015-09-29.

[simbad-2] "NGC 121". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2015-09-29.

[cseligman-3] "New General Catalogue Objects: NGC 100-149". Retrieved 2015-09-29.

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