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| Description of IC 1257 |
Discovered in 1890 by Spitaler.
Identified as globular cluster by W.E. Harris et.al in 1997.
On the ground of its discovery by Rudolf Ferdinand Spitaler, this object was included by Dreyer in his first Index Catalogue as IC 1257, and longly referred to as an open cluster, although R. Burnham, Jr. remarked that its classification may be uncertain. It was finally revealed as a globular cluster only in 1997 (Harris et.al., 1997), making it Milky Way Globular Cluster No. 147.
Identification as a globular was done by obtaining a color-magnitude diagram, which immediately revealed its nature as a globular beyond the Galactic Center. IC 1257 is at a distance of 81,500 light years from our Sun and about 58,400 light years from the Galactic Center. It is approaching us at about 140 km/sec.
Source: Seds.org | Notify inaccuracies |
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Image of the cluster from the Digital Sky Survey |
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IC 1257 |
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(0 comments in the database at the moment) | Selected biblio  | | Paper n. 1 |
Bonatto, C.; Bica, E.
Structural parameters of 11 faint Galactic globular clusters derived with 2MASS
2008, Astronomy and Astrophysics, Vol. 479, pp.741-750
(IC 1257 Lynga 7 Terzan 4 Terzan 10 BH 176 1636-283 ESO280-SC06 2MASS-GC01 2MASS-GC02 GLIMPSE-C01 AL 3 ) | | Paper n. 2 |
Harris, William E.; Phelps, Randy L.; Madore, Barry F.; Pevunova, Olga; Skiff, Brian A.
IC 1257:A New Globular Cluster in the Galactic Halo
1997, Astronomical Journal v.113, p. 688-691 (1997)
(IC 1257 cmd ) | | Paper n. 3 |
Phelps, R. L., Madore, B. F., & Pevunova, P.
IC 1257: a long-lost globular cluster.
1996, Bulletin of the Astronomical Society, Vol. 28, No. 4, p. 1363
(IC 1257 ) | | See all items
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