NGC 4981
| Galaxy NGC 4981 |
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|---|---|
![NGC 4981 & LEDA 1028694 [1] from images of the Very Large Telescope](https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/NGC_4981_-_Potw1706a.tif/lossy-page1-300px-NGC_4981_-_Potw1706a.tif.jpg)
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| NGC 4981 & LEDA 1028694 from images of the Very Large Telescope | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 08 m 48.74 s |
| declination | -06 ° 46 ′ 39.1 ″ |
| Appearance | |
| Morphological type | SAB (r) bc / LINER |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 2.8 ′ × 2 ′ |
| Position angle | 159 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 4995 group LGG 333 |
| Redshift | 0.005604 ± 0.000013 |
| Radial velocity | 1680 ± 4 km / s |
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Stroke distance v rad / H 0 |
(71 ± 5) · 10 6 ly (21.8 ± 1.5) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 17, 1784 |
| Catalog names | |
| NGC 4981 • PGC 45574 • MCG -01-34-003 • IRAS 13062-0630 • 2MASX J13084873-0646392 • GC 3418 • H II 189 • h 1537 • HIPASS J1308-06 • LDCE 904 NED298 | |
NGC 4981 is a barred spiral galaxy of the Hubble type SBbc and lies in the constellation Virgo on the ecliptic . It is around 71 million light years away from the Milky Way and has a diameter of around 60,000 light years.
In the same area of the sky are u. a. the galaxies NGC 4951 , IC 4209 , IC 4212 .
The galaxy was the scene of two supernovae : SN 1968I ( Type-Ia ) in a binary star system and SN 2007c ( Type-Ib ) that of a massive star .
The object was discovered by William Herschel on April 17, 1784 .
Web links
- SIMBAD Astronomical Database
- ESO: Exploding Stars February 6, 2017
- astronews.com: Picture of the day February 6, 2017