NGC 5997
| Galaxy NGC 5997 |
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|---|---|
![NGC 5997 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC5997_-_SDSS_DR14.jpg)
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| NGC 5997 SDSS image | |
| AladinLite | |
| Constellation | Snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 47 m 27.672 s |
| declination | + 08 ° 19 ′ 16.25 ″ |
| Appearance | |
| Morphological type | E0 |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.5 ′ × 0.4 ′ |
| Position angle | 90 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.041162 ± 0.000113 |
| Radial velocity | (12,340 ± 34) km / s |
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Stroke distance v rad / H 0 |
(554 ± 39) · 10 6 ly (169.9 ± 11.9) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | March 25, 1865 |
| Catalog names | |
| NGC 5997 • PGC 56044 • CGCG 050-105 • 2MASX J15472770 + 0819167 • GC 5787 • 2MASS J15472767 + 0819166 • GALEX ASC J154727.71 + 081915.6 • NSA 166446 | |
NGC 5997 is a 14.2 mag bright compact elliptical galaxy of the Hubble type E0 in the constellation Snake north of the ecliptic . It is estimated to be 554 million light years from the Milky Way and about 80,000 light years in diameter.
In the same area of the sky is u. a. the galaxy IC 1137 .
The object was discovered by Albert Marth on March 25, 1865 .
Web links
- NGC 5997th SIMBAD , accessed on May 22, 2019 (English).
- NGC 5997. DSO Browser, accessed May 22, 2016 .
- Auke Slotegraaf : NGC 5997. Deep Sky Observer's Companion, accessed on May 22, 2016 .