IC 1731
Galaxy IC 1731 |
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SDSS recording | |
AladinLite | |
Constellation | triangle |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 50 m 12.3 s |
declination | + 27 ° 11 ′ 46 ″ |
Appearance | |
Morphological type | SAB (s) c: |
Brightness (visual) | 13.4 mag |
Brightness (B-band) | 14.1 mag |
Angular expansion | 1.50 x 1.0 |
Position angle | 140 ° |
Surface brightness | 13.7 mag / arcmin² |
Physical data | |
Affiliation | LGG 32 |
Redshift | 0.011685 +/- 0.000003 |
Radial velocity | 3503 ± 1 km / s |
Stroke distance v rad / H 0 |
(162 ± 11) · 10 6 ly (49.6 ± 3.5) Mpc |
history | |
discovery | Isaac Roberts |
Discovery date | November 29, 1896 |
Catalog names | |
IC 1731 • UGC 01291 • PGC 006756 • MCG + 04-05-018 • IRAS F01473 + 2656 • 2MASX J01501233 + 2711464 • |
IC 1731 is a bar-spiral galaxy of the Hubble type SBc in the constellation Triangle in the northern sky . It is an estimated 162 million light years away from the Milky Way and has a diameter of around 70,000 ly.
In the same area of the sky are the galaxies NGC 670 , NGC 672 , NGC 684 , IC 1727 .
The Type Ia supernova SN 1983R was observed here.
The object was discovered by Isaac Roberts on November 29, 1896 .