NGC 938
| Galaxy NGC 938 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Aries |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 28 m 33.5 s |
| declination | + 20 ° 17 ′ 01 ″ |
| Appearance | |
| Morphological type | E / S0 |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 1.6 '× 1.2' |
| Position angle | 100 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.013736 +/- 0.000087 |
| Radial velocity | 4118 +/- 26 km / s |
|
Stroke distance v rad / H 0 |
(188 ± 13) · 10 6 ly (57.5 ± 4.0) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | December 30, 1863 |
| Catalog names | |
| NGC 938 • UGC 1947 • PGC 9423 • CGCG 462-017 • MCG + 03-07-017 • 2MASX J02283350 + 2017011 • LDCE 168 NED006 | |
NGC 938 is an elliptical galaxy of the Hubble type E / S0 in the constellation Aries on the ecliptic . It is an estimated 188 million light-years away from the Milky Way and has a diameter of about 90,000 ly.
The galaxy belongs to the NGC 932 group with NGC 924 , NGC 930 , NGC 935 and IC 1801 .
The Type Ia supernova SN 2015ab was observed here.
The object was by astronomer d'Heinrich arrest on December 30, 1863 using a 27.5-cm - telescope discovered.
Web links
Commons : NGC 938 - collection of images, videos, and audio files
