SDSS J163440.40 + 462402.4
| Galaxy SDSS J163440.40 + 462402.4 |
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![IC 1221 with SDSS J163440.40 + 462402.4 (in the upper spiral arm) [1] SDSS image of IC 1221](https://de.wikipedia.org/wiki/Datei:IC1221_-_SDSS_DR14.jpg)
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| IC 1221 with SDSS J163440.40 + 462402.4 ( in the upper spiral arm ) SDSS image of IC 1221 | |
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 16 h 34 m 40.410 s |
| declination | + 46 ° 24 ′ 02.40 ″ |
| Appearance | |
| Brightness (B-band) | 17.8 mag |
| Angular expansion | 0.32 ′ × 0.23 ′ |
| Physical data | |
| Redshift | 0.140617 ± 0.000122 |
| Radial velocity | 42,156 ± 37 km / s |
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Stroke distance v rad / H 0 |
(1891 ± 132) · 10 6 ly (579.8 ± 40.6) Mpc |
| history | |
| Catalog names | |
| SDSS J163440.40 + 462402.4 • WISEA J163440.41 + 462402.3 | |
SDSS J163440.40 + 462402.4 is a galaxy in the constellation Hercules in the northern sky that is an estimated 1.9 billion light years from the Milky Way .