NGC 5484
| Galaxy NGC 5484 |
|
|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| 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.