Sculptor Dwarf Irregular Galaxy
Irregular galaxy in the constellation Sculptor / From Wikipedia, the free encyclopedia
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Not to be confused with the Sculptor Galaxy or the Sculptor Dwarf Galaxy.
The Sculptor Dwarf Irregular Galaxy (SDIG) is an irregular galaxy in the constellation Sculptor. It is a member of the NGC 7793 subgroup of the Sculptor Group.[1] The galaxy was discovered in 1976.[citation needed]
Quick Facts Observation data (J2000 epoch), Constellation ...
Sculptor Dwarf Irregular | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Sculptor |
Right ascension | 00h 08m 13.36s[1] |
Declination | −34° 34′ 42.0″[1] |
Redshift | 221 ± 6 km/s[2] |
Distance | 10.44 ± 0.33 Mly (3.2 ± 0.1 Mpc)[1] |
Apparent magnitude (V) | 15.5[2] |
Absolute magnitude (V) | −11.87[1] |
Characteristics | |
Type | dIrr[1] |
Apparent size (V) | 1.1′ × 0.9′[2] |
Half-light radius (apparent) | 29″.4 ± 1″.6[1] |
Other designations | |
SDIG,[2] PGC 621,[2] ESO 349-031[2] |
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