NGC 632
| Galaxy NGC 632 |
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|---|---|
![NGC 632 with LEDA 212798 [1] SDSS recording](https://de.wikipedia.org/wiki/Datei:NGC632_-_SDSS_DR14.jpg)
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| NGC 632 with LEDA 212798 SDSS Recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 37 m 17.530 s |
| declination | + 5 ° 52 ′ 39.50 ″ |
| Appearance | |
| Morphological type | S0? / Sbrst |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1.0 ′ × 0.8 ′ |
| Position angle | 170 ° |
| Surface brightness | 12.0 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 645 group LGG 28 |
| Redshift | 0.010567 ± 0.000020 |
| Radial velocity | 3168 ± 6 km / s |
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Stroke distance v rad / H 0 |
(145 ± 10) · 10 6 ly (44.4 ± 3.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 24, 1830 |
| Catalog names | |
| NGC 632 • UGC 1157 • PGC 6007 • CGCG 412-008 • MCG + 01-05-010 • IRAS 01346 + 0537 • 2MASX J01371753 + 0552389 • Mrk 1002 • GC 375 • h 143 • GALEX ASC J013717.58 + 055239.7 • LDCE 100 NED001 | |
NGC 632 is a lenticular galaxy with a high rate of star formation of the Hubble type S0 in the constellation Pisces on the ecliptic . It is estimated to be 145 million light years from the Milky Way and about 40,000 light years in diameter. Together with four other galaxies, it forms the NGC 645 group ( LGG 28 ).
In the same area of the sky are u. a. the galaxies NGC 631 and NGC 645 .
The Type Ia / P supernova SN 1998es was observed here.
The object was discovered on September 24, 1830 by the British astronomer John Herschel .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf : NGC 632. Deep Sky Observer's Companion, accessed September 3, 2015 .