... Individual Images . Related Links . Full Resolution . Quasar PG1115+080 and Gravitational Lens . ... Left: The light from the single quasar PG 1115+080 is split and distorted in this infrared image. ...
... A non-linear relation between X-ray and UV luminosities in quasars has been discovered with the first X-ray surveys in the early 80's and it has been confirmed with various samples of a few hundred quasars observed with the main X-ray observatories over a ...
... Arcetri Astrophysical Observatory . A universal physical relation for quasars . ... Rocky accretion in a young solar-type star . A Hubble diagram for Quasars . ... Ionized outflows in z~2.4 quasar host galaxies . ...
... Osservatorio Astrofisico di Arcetri . A universal physical relation for quasars . ... Rocky accretion in a young solar-type star . A Hubble diagram for Quasars . ... Ionized outflows in z~2.4 quasar host galaxies . ...
... quasar samples at relatively low redshifts (z<2), with very few objects at redshifts ... the quasar spectrum) is due to absorption from the IGM, which attenuates the quasar ...
... A non-linear relation between X-ray and UV luminosities in quasars has been discovered with the first X-ray surveys in the early 80's and it has been confirmed with various samples of a few hundred quasars observed with the main X-ray observatories over a ...
... EMBARGOED UNTIL 3:30 p.m. MST, January 11, 1995 HUBBLE CAPTURES MERGER BETWEEN QUASAR AND GALAXY This NASA Hubble Space Telescope image shows evidence fo r a merger between a quasar and a companion galaxy. ...
... STScI-PRC96-25 HUBBLE'S 100,000TH EXPOSURE CAPTURES IMAGE OF DISTANT QUASAR The Hubble Space Telescope achieved its 100,000th exposure June 22 with a snapshot of a quasar that is about 9 billion light-years from Earth. ...