Evidence for a quasar in the radio galaxy Cygnus A from observation of broad-line emission
Instrument
WFPC/WFC
Temporal Coverage
1991-08-17T08:49:17Z/1991-08-17T13:44:57Z
Version
1.0
Mission Description
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
European Space Agency, Antonucci comma Robert, 1992, 'THE EXTENDED FEATURELESS CONTINUUM SOURCE IN CYGNUS A', 1.0, European Space Agency, https://doi.org/10.5270/esa-xjmtfbd