QSO B0839+187

QSO B0839+187
Observation data (Epoch J2000)
Constellation Cancer
Right ascension 08h 42m 05.0942s
Declination +18° 35′ 40.991″
Redshift 1.27[1][2]
Distance 8.4 billion light-years
(Light travel time)[2]
Type Rad
Apparent magnitude (V) 16.36
Other designations
LEDA 2825583, PKS J0842+1835, PKS 0839+187, 2MASS J08420509+1835411, QSO B0839+1846
See also: Quasar, List of quasars

QSO B0839+187 (PKS 0839+187) is a quasar[1] that was used to measure the speed of gravity in VLBI experiment conducted by Edward Fomalont and Sergei Kopeikin in September 2002.

References

  1. ↑ 1.0 1.1 Simbad
  2. ↑ 2.0 2.1 "NASA/IPAC Extragalactic Database". Results for 0839+1846. Retrieved 2010-04-20.

Coordinates: 08h 42m 05.0942s, +18° 35′ 40.991″