Gravitational Lens Image of Quasar PSS J2322+1944
Description
Optical (visible-light) image of quasar PSS J2322+1944, made at the W.M. Keck Observatory, showing twin images indicating gravitational lensing (left). At right, a VLA image shows redshifted CO gas emission, revealing the "Einstein Ring" lens effect. The crosses in this image indicate locations of the optical quasar images.
Creator
Legacy Astronomical Images
Rights
NRAO/AUI/NSF does not hold full copyright for this image. Contact the archivist for details.
Type
Legacy Astronomical Image
Object Name
PSS J2322+1944
Photo Credit
G. Djorgovski; C. Carilli et al.
Investigators
Chris Carilli, Geraint Lewis, George Djorgovski, Pierre Cox, Alain Omont, Ashish Mahabal, Frank Bertoldi
Telescope
Very Large Array (VLA)
W.M. Keck Observatory
Observation Date
2003-04-00
Type of Observation
spectral line
Center of Image
RA 22:23:7.200, Dec: 19:44:23.000 (J2000)
Field of View
0.001250 x 0.001250 degrees
Link to journal article
Series
Miscellaneous Series
Unit
Cosmology Unit
Citation
Legacy Astronomical Images, “Gravitational Lens Image of Quasar PSS J2322+1944,” NRAO/AUI Archives, accessed August 17, 2024, https://www.nrao.edu/archives/items/show/33591.