IC 3684
| Galaxy IC 3684 |
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|---|---|
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| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 42 m 26.509 s |
| declination | + 11 ° 44 ′ 25.10 ″ |
| Appearance | |
| Morphological type | dS0 (8) |
| Brightness (visual) | 15.1 mag |
| Brightness (B-band) | 16.0 mag |
| Angular expansion | 1.1 ′ × 0.4 ′ |
| Position angle | 14 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster |
| Redshift | 0.003872 ± 0.000091 |
| Radial velocity | 1161 ± 27 km / s |
|
Stroke distance v rad / H 0 |
(50 ± 4) x 10 6 ly (15.2 ± 1.1) Mpc |
| history | |
| discovery | Royal Harwood Frost |
| Discovery date | May 10, 1904 |
| Catalog names | |
| IC 3684 • PGC 42679 • VCC 1921 • GALEX ASC J124226.63 + 114426.1 • NSA 70335 • WISEA J124226.51 + 114425.3 • EVCC 1065 | |
IC 3684 is a lenticular dwarf galaxy of the Hubble type S0 / a in the constellation Virgo on the ecliptic . It is estimated to be 50 million light years away from the Milky Way and about 15,000 light years in diameter. It is listed as a member of the Virgo galaxy cluster under catalog number VVC 1921 .
In the same area of the sky are u. a. the galaxies NGC 4621 , IC 809 , IC 3670 , IC 3672 .
The object was discovered by Royal Harwood Frost on May 10, 1904 .