NGC 5729
| Galaxy NGC 5729 |
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|---|---|
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| AladinLite | |
| Constellation | Libra |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 42 m 06.9 s |
| declination | -09 ° 00 ′ 34 ″ |
| Appearance | |
| Morphological type | Sb / pec: |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 2.6 ′ × 0.7 ′ |
| Position angle | 166 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.006068 ± 0.000003 |
| Radial velocity | (1819 ± 1) km / s |
|
Stroke distance v rad / H 0 |
(80 ± 6) · 10 6 ly (24.4 ± 1.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | February 4, 1786 |
| Catalog names | |
| NGC 5729 • PGC 52507 • MCG -01-37-12 • IRAS 14394-0847 • 2MASX J14420688-0900339 • GC 3978 • H III 508 • h 3578 • | |
NGC 5729 is a 12.6 likes bright spiral galaxy of Hubble type Sb in the constellation Libra on the ecliptic , the estimated 80 million light-years from the Milky Way 's center.
The object was discovered on February 4, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "vF, cL, iE nearly in the meridian".
During his observations with an 18-inch reflecting telescope in 1847, John Herschel noted “F, pL, pmE, gbM; with an appearance of resolvability, arising as I imagine from a few small stars accidentally on it, as I hardly think it can be reckoned a cluster in the sense of class VI. Re-examined working list. It is III.508. VI.8 does not exist in the space assigned to it in the catalog "and" F, pL, gbM, irregular oval, resolvable, 2.5 ′ by 2 ′. If this is not VI.8, there is no other near the place. (NB it does not agree with the description of that cluster in my Father's catalog, which states it to be 8 ′ or 9 ′ in diameter; rich, very compressed. The star 26 x Virginis, by which it splace is there determined, is a mistake for 577 of Mayer's catalog ".