NGC 5728
| Galaxy NGC 5728 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Libra |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 42 m 23.9 s |
| declination | -17 ° 15 ′ 11 ″ |
| Appearance | |
| Morphological type | (R_1) SAB (r) a; HII Sy2 |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 3.2 ′ × 1.9 ′ |
| Position angle | 30 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.009353 ± 0.000067 |
| Radial velocity | (2804 ± 20) km / s |
|
Stroke distance v rad / H 0 |
(123 ± 8) · 10 6 ly (37.6 ± 2.6) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | May 7, 1787 |
| Catalog names | |
| NGC 5728 • PGC 52521 • MCG -03-37-005 • IRAS 14396-1702 • 2MASX J14422392-1715114 • SGC 143937-1702.4 • GC 3977 • H I 184 • h 1866 • LDCE 1073 NED003 | |
NGC 5728 is a spiral galaxy of the Sab type and lies in the constellation Libra .
The galaxy was discovered by William Herschel on May 7, 1787 .
Web links
- NGC 5728. SIMBAD, accessed April 17, 2016 .
- NGC 5728. DSO Browser, accessed April 17, 2016 .
- Auke Slotegraaf: NGC 5728. Deep Sky Observer's Companion, accessed April 17, 2016 .