NGC 5639
| Galaxy NGC 5639 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 28 m 46.5 s |
| declination | + 30 ° 24 ′ 47 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.4 ′ × 0.9 ′ |
| Position angle | 98 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 383 |
| Redshift | 0.011852 +/- 0.000033 |
| Radial velocity | 3553 +/- 10 km / s |
|
Stroke distance v rad / H 0 |
(162 ± 11) · 10 6 ly (49.7 ± 3.5) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | May 15, 1830 |
| Catalog names | |
| NGC 5639, 5639A • UGC 9290 • PGC 51730 • CGCG 163-061 • MCG + 05-34-51 • IRAS F14266 + 3038 • GC 3906 • h 1821 • LDCE 1061 NED006 | |
NGC 5639 , also NGC 5639A called, is a 13.7 likes bright spiral galaxy of Hubble type Sc in the constellation Bootes and about 162 million light-years from the Milky Way center.
Together with the non-NGC object PGC 1902505 (also NGC 5639B ), which is about five times further away, it forms an optical double galaxy and was discovered by John Herschel on May 15, 1830 .
Web links
- NGC 5639. SIMBAD, accessed March 21, 2016 .
- NGC 5639. DSO Browser, accessed March 21, 2016 .
- Courtney Seligman: New General Catalog Objects: NGC 5600 - 5649. Retrieved March 21, 2016 .