Revised NGC Data for NGC 3557

Data from Wolfgang Steinicke's Revised NGC and IC Catalog

Object: NGC 3557 (*)

Galaxy, type E3, in Centaurus
Right Ascension (2000.0): 11:09:57.4 (h:m:s)
Declination (2000.0): -37:32:22 (deg:m:s)
m_b: 11.6 (mag) , m_v: 10.6 (mag) , SB: 13.4 (mag per square arcmin)
Dimension: 4.00 x 3.0 (arcmin) , PA: 21
Cross Identifications: ESO 377-16, MCG -6-25-5, AM 1107-371, PGC 33871

Object: NGC 3557A

Duplicate NGC/IC Object, type Sab, in Centaurus
Right Ascension (2000.0): 11:07:07.5 (h:m:s)
Declination (2000.0): -37:10:23 (deg:m:s)
m_b: 13.8 (mag) , m_v: 13.0 (mag) , SB: 13.4 (mag per square arcmin)
Dimension: 2.80 x 0.6 (arcmin) , PA: 65
Cross Identifications: NGC 3533, ESO 377-11, MCG -6-25-2, PGC 33647, AM 1104-365, IRAS11047-3654

Object: NGC 3557B

Galaxy, type E5, in Centaurus
Right Ascension (2000.0): 11:09:31.9 (h:m:s)
Declination (2000.0): -37:20:59 (deg:m:s)
m_b: 13.5 (mag) , m_v: 12.5 (mag) , SB: 12.6 (mag per square arcmin)
Dimension: 2.00 x 0.5 (arcmin) , PA: 110
Cross Identifications: ESO 377-15, MCG -6-25-4, PGC 33824


Note: (*) Dreyer's Object



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