NGC 4897
| Galaxy NGC 4897 |
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|---|---|
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| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 00 m 52.9 s |
| declination | -13 ° 26 ′ 59 ″ |
| Appearance | |
| Morphological type | SAB (r) bc: / Sy2 |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.7 ′ × 2.3 ′ |
| Position angle | 150 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 321 |
| Redshift | 0.008519 ± 0.000013 |
| Radial velocity | 2554 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(109 ± 8) · 10 6 ly (33.4 ± 2.3) Mpc |
| history | |
| discovery | Wilhelm Temple |
| Discovery date | April 21, 1882 |
| Catalog names | |
| NGC 4897 • PGC 44829 • MCG -02-33-089 • IRAS 12583-1310 • 2MASX J13005294-1326592 • LDCE 932 NED002 | |
NGC 4897 is a 12.1 likes bright barred spiral galaxy with an active galactic nucleus from Hubble type SBBC in the constellation Virgo to the ecliptic . It is estimated 109 million light years away from the Milky Way and has a diameter of about 90,000 ly. Together with NGC 4902 and NGC 4899 , it forms the small galaxy group LGG 321.
In the same area of the sky are the galaxies NGC 4847 , NGC 4855 , NGC 4862 , among others .
The object was discovered together with NGC 4891 in a single observation on April 21, 1882 by Ernst Wilhelm Leberecht Tempel .
Web links
- NGC 4897. SIMBAD, accessed February 21, 2015 .
- NGC 4897. DSO Browser, accessed February 21, 2015 .
- Auke Slotegraaf: NGC 4897. Deep Sky Observer's Companion, accessed on February 21, 2015 .