IC 1525
| Galaxy IC 1525 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 59 m 15.7 s |
| declination | + 46 ° 53 ′ 23 ″ |
| Appearance | |
| Morphological type | SBb |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.90 × 1.4 |
| Position angle | 20 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 729 IC 1525 group LGG 485 |
| Redshift | 0.016752 ± 0.000017 |
| Radial velocity | 5022 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(233 ± 16) x 10 6 ly (71.5 ± 5.0) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | August 19, 1887 |
| Catalog names | |
| IC 1525 • UGC 12883 • PGC 73150 • CGCG 548-020 • MCG + 08-01-016 • IRAS 23567 + 4636 • 2MASX J23591579 + 4653213 • NVSS J235915 + 465321 • LDCE 6 NED020 | |
IC 1525 is a bar-spiral and ring galaxy of the Hubble type SBb in the constellation Andromeda in the northern sky . It is an estimated 233 million light years from the Milky Way and about 130,000 light years in diameter.
The galaxy is a member of the galaxy group WBL 729 , a group of gravitationally bound galaxies with an average radial velocity of about 5020 km / s. This group also includes PGC 2 , PGC 18 , PGC 676 and PGC 73195 .
The supernovae SN 1998cu (Type II) and SN 2009es (Type IIP) were observed here.
The object was discovered by Lewis Swift on August 19, 1887 .
See also
literature
- VV Bruevich, AS Gusev, SA Guslyakova: Star-forming regions in the ring galaxies NGC 5585 and IC 1525 ; Astronomy Reports 55, pp. 310–323 (2011), bibcode : 2011ARep ... 55..310B