HE0450-2958
Galaxy in the constellation Caelum / From Wikipedia, the free encyclopedia
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HE0450-2958 is an unusual quasar. It has been called the "naked quasar" and the "quasar without a home" because it appears to lack a host galaxy. It is estimated to lie approximately one billion parsecs away.
Quick Facts Observation data (Epoch J2000), Constellation ...
HE0450-2958 | |
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Quasar HE0450-2958 as imaged by the HST. The quasar is near the center of the image; no obvious host galaxy is seen. Near the top of the image is a strongly disturbed and star-forming galaxy. Near the quasar is a blob of gas that is apparently being ionized by the quasar radiation. The pointlike object on the lower right is a foreground star seen by chance in the field of view. | |
Observation data (Epoch J2000) | |
Constellation | Caelum |
Right ascension | 04h 52m 30.0s[1] |
Declination | −29° 53′ 35″[1] |
Redshift | 0.286041 ± 0.000093 (73867 ± 28 km/s[1]) |
Distance | 3 billion light-years (1 Gpc)[2] |
Type | Sy1[1] |
Apparent magnitude (V) | 16.0[1] |
Other designations | |
LEDA 75249,[1] QSO B0450-2958, 2MASSI J0452300-295335, 6dFGS gJ045230.1-295335, 2MASX J04523006-2953353, NVSS J045230-295336, IRAS F04505-2958, QSO B0450-299, IRAS 04505-2958, RBS 597, 1RXS J045230.4-295329 | |
See also: Quasar, List of quasars |
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