Gravitational Lens Image of Quasar PSS J2322+1944

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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

https://ui.adsabs.harvard.edu/abs/1998MNRAS.301..310S/abstract

Series

Miscellaneous Series

Unit

Cosmology Unit

Citation

Legacy Astronomical Images, “Gravitational Lens Image of Quasar PSS J2322+1944,” NRAO/AUI Archives, accessed December 19, 2024, https://www.nrao.edu/archives/items/show/33591.