NGC 6972
| Galaxy NGC 6972 |
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|---|---|
![NGC 6972 [1]](https://de.wikipedia.org/wiki/Datei:NGC6972_-_SDSS_DR14.jpg)
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| NGC 6972 | |
| AladinLite | |
| Constellation | dolphin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 20 h 49 m 58.944 s |
| declination | + 09 ° 53 ′ 56.86 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.1 '× 0.5' |
| Position angle | 143 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.015104 ± 0.000103 |
| Radial velocity | 4528 ± 31 km / s |
|
Stroke distance v rad / H 0 |
(210 ± 15) · 10 6 ly (64.5 ± 4.5) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | August 15, 1863 |
| Catalog names | |
| NGC 6972 • UGC 11640 • PGC 65485 • CGCG 425-011 • MCG + 02-53-004 • 2MASX J20495898 + 0953565 • G ALEX ASC J204958.93 + 095356.9 • WISEA J204958.96 + 095356.9 • LDCE 1427 NED001 | |
NGC 6972 is a lenticular galaxy of the Hubble type S0 / a in the constellation Dolphin in the northern sky . It is estimated to be 210 million light years from the Milky Way and about 65,000 light years in diameter.
The object was discovered by Albert Marth on August 15, 1863 .