NGC 5561
| Galaxy NGC 5561 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 17 m 22.8 s |
| declination | + 58 ° 45 ′ 02 ″ |
| Appearance | |
| Morphological type | Sb / HII |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.039664 +/- 0.000090 |
| Radial velocity | (11891 +/- 27) km / s |
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Stroke distance v rad / H 0 |
(537 ± 38) · 10 6 ly (164.7 ± 11.5) Mpc |
| diameter | 80,000 ly |
| history | |
| discovery | Lewis Swift |
| Discovery date | May 11, 1885 |
| Catalog names | |
| NGC 5561 • PGC 2800986 • CGCG 295-044 • IRAS 14158 + 5858 • 2MASX J14172281 + 5845020 • | |
NGC 5561 is a spiral galaxy of Hubble type Sbc? in the constellation Great Bear in the north star sky . It is around 537 million light years away from the Milky Way and has a diameter of around 80,000 light years .
In the sky it forms an optical pair with the PGC 51026 spiral .
The object was discovered on May 11, 1885 by Lewis Swift .