A1689B11 is an extremely old spiral galaxy located in the Abell 1689 galaxy cluster in the Virgo constellation.[2] The disk of A1689B11 is cool and thin, yet it produced stars at thirty times the rate of the Milky Way. A1689B11 is 11 billion light years from the Earth, forming 2.6 billion years after the Big Bang. It one of the most distant known spiral galaxies as of 2017[update].[3][1]
A1689B11 | |
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Observation data (J2000 epoch) | |
Constellation | Virgo |
Right ascension | 13h 11m 33.336s[1] |
Declination | −01° 21′ 06.9″[1] |
Redshift | 2.540[1] |
Helio radial velocity | 761,473 km/s (473,157 mi/s) |
Galactocentric velocity | 761,400 km/s (473,100 mi/s) |
Distance | 11 billion ly (3.4 billion pc) (light travel distance) 19.4 billion ly (5.9 billion pc) (comoving distance) |
Apparent magnitude (V) | 24 |
Characteristics | |
Type | S[1] |
Mass | 1010.2 (dynamical)[1] 109.8 ± 0.3 (stellar)[1] M☉ |
Apparent size (V) | 5200 pc (17 kly) |
Half-light radius (physical) | 2600 ± 700 pc[1] |
Other designations | |
BBC2005 11.1, [BBC2005] Source 11 |
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