IC 1101
Sign in to savesupergiant lenticular galaxy in the constellation Virgo
Key facts
- Constellation
- Virgo
- Right ascension
- 15 10 56.1
- Declination
- +05 ° 44 ′ 41 ″
- Redshift
- 0.078 054 ± 0.000 027
- Heliocentric radial velocity
- 22,419 km/s (13,931 mi/s)
- Distance
- 354.0 ± 24.8 Mpc (1,154.6 ± 80.9 million ly ) h , 0.67
- Group or cluster
- Abell 2029
- Type
- cD; S0-
- Size
- 123.65 to 169.61 kpc (403,300 to 553,200 ly ), (D 25 B-band and total K-band isophotes)
- Apparent size v
- 1'.2 × 0'.6
via Wikipedia infobox
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Encyclopedic overview
IC 1101 is a class S0 supergiant (cD) lenticular galaxy at the center of the Abell 2029 galaxy cluster. It has an isophotal diameter at about 123.65 to 169.61 kiloparsecs (400,000 to 550,000 light-years). It possesses a diffuse core, which is the largest core of any galaxy known to date, and contains a supermassive black hole, one of the largest discovered.
IC 1101 is located at 354.0 megaparsecs (1.15 billion light-years) from Earth. It was discovered on 19 June 1790, by the German-British astronomer William Herschel.
Excerpted from Wikipedia’s “IC 1101” article, available under the CC BY-SA 4.0 licence.