NGC 5484
Galaxy NGC 5484 |
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SDSS recording | |
AladinLite | |
Constellation | Big Bear |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 14 h 06 m 48.2 s |
declination | + 55 ° 01 ′ 48 ″ |
Appearance | |
Morphological type | E2 |
Brightness (visual) | 14.7 mag |
Brightness (B-band) | 15.7 mag |
Angular expansion | 0.8 ′ × 0.7 ′ |
Position angle | 0 ° |
Surface brightness | 14.1 mag / arcmin² |
Physical data | |
Redshift | 0.006771 ± 0.000156 |
Radial velocity | 2030 ± 47 km / s |
Stroke distance v rad / H 0 |
(96 ± 7) · 10 6 ly (29.5 ± 2.2) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | April 14, 1789 |
Catalog names | |
NGC 5484 • PGC 50338 • CGCG 272-029 • MCG +0 • 2MASX J14064813 + 5501473 • GC 3793 • H III 791 • |
NGC 5484 is a 14.7 likes bright elliptical galaxy from the Hubble type E2 in the constellation Ursa Major at the northern sky and is estimated to be 96 million light-years from the Milky Way center.
The object was discovered on April 14, 1789 by Wilhelm Herschel with an 18.7-inch reflector telescope, who noted "The 1st of 2. vF, S, 3 'or 4' distance from I.232". During a second observation on April 2, 1791, however, he could not find the second galaxy mentioned.