NGC 977
| Galaxy NGC 977 |
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|---|---|
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| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 33 m 03.4 s |
| declination | -10 ° 45 ′ 36 ″ |
| Appearance | |
| Morphological type | (R ') SAB (r) a: |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 2 ′ × 1.6 ′ |
| Position angle | 26 ° |
| Surface brightness | 14.6 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 63 |
| Redshift | 0.015274 ± 0.000037 |
| Radial velocity | 4579 ± 11 km / s |
|
Stroke distance v rad / H 0 |
(204 ± 14) · 10 6 ly (62.5 ± 4.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | November 28, 1785 |
| Catalog names | |
| NGC 977 • PGC 9713 • MCG -02-07-031 • 2MASX J02330342-1045361 • GC 562 • H III 472 • h 2485 • LDCE 177 NED005 | |
NGC 977 is a spiral galaxy of Hubble type Sa in the constellation Cetus south of the ecliptic . It is estimated to be 204 million light years away from the Milky Way and has a diameter of about 120,000 ly.
In the same area of the sky are the galaxies NGC 942 , NGC 943 , NGC 981 , IC 1818 .
The Type Ia / P supernova SN 1976J was observed here.
The object was discovered by Wilhelm Herschel on November 28, 1785 .
Web links
Individual evidence
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