IC 1681
| Galaxy IC 1681 |
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|---|---|
![IC 1681 [1]](https://de.wikipedia.org/wiki/Datei:IC1681_-_SDSS_DR14.jpg)
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| IC 1681 | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 21 m 21.321 s |
| declination | + 00 ° 05 ′ 25.40 ″ |
| Appearance | |
| Morphological type | Sm |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1 ′ × 0.5 ′ |
| Position angle | 99 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 194 |
| Redshift | 0.012695 ± 0.000023 |
| Radial velocity | 3806 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(173 ± 12) · 10 6 ly (53.0 ± 3.7) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | December 18, 1897 |
| Catalog names | |
| IC 1681 • UGC 894 • PGC 4916 • CGCG 385-080 • MCG + 00-04-097 • IRAS F01187-0010 • 2MASX J01212131 + 0005257 • NVSS J012121 + 000520 • WISEA J012121.31 + 000525.4 • SIP 0652-1 | |
IC 1681 is a faint spiral galaxy of the Hubble type S in the constellation Whale south of the ecliptic . It is estimated to be 173 million light years from the Milky Way and about 50,000 light years in diameter.
The galaxies NGC 493 , NGC 497 , IC 1697 are located in the same area of the sky .
The object was discovered by Stéphane Javelle on December 18, 1897 .