NGC 5577
| Galaxy NGC 5577 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 21 m 13.1 s |
| declination | + 03 ° 26 ′ 09 ″ |
| Appearance | |
| Morphological type | SA (rs) bc: / HII |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 3.2 ′ × 0.9 ′ |
| Position angle | 56 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 5566 LGG 379 |
| Redshift | 0.004967 +/- 0.000013 |
| Radial velocity | (1489 +/- 4) km / s |
|
Stroke distance v rad / H 0 |
(66 ± 5) x 10 6 ly (20.2 ± 1.4) Mpc |
| history | |
| discovery | George Johnstone Stoney |
| Discovery date | April 26, 1849 |
| Catalog names | |
| NGC 5577 • UGC 9187 • PGC 51286 • CGCG 047-022 • MCG + 01-37-009 • IRAS 14187 + 0339 • 2MASX J14211311 + 0326087 • | |
NGC 5577 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Virgo. It is estimated to be 66 million light years away from the Milky Way and has a diameter of about 65,000 ly.
In the same area of the sky are the galaxies NGC 5566 , NGC 5569 , NGC 5574 , NGC 5576 , among others .
The object was discovered on April 26, 1849 by the astronomer George Johnstone Stoney, an assistant to William Parsons using his 72-inch Leviathan mirror telescope , and was later included in his New General Catalog by Johan Dreyer .