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A Molecular Einstein Ring: Imaging a Starburst Disk Surrounding a Quasi-Stellar Object

Carilli, C. L. and Lewis, G. F. and Djorgovski, S. G. and Mahabal, A. and Cox, P. and Bertoldi, F. and Omont, A. (2003) A Molecular Einstein Ring: Imaging a Starburst Disk Surrounding a Quasi-Stellar Object. Science, 300 (5620). pp. 773-775. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20141117-141533147

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Abstract

Images of the molecular CO 2-1 line emission and the radio continuum emission from the redshift 4.12 gravitationally lensed quasi-stellar object (QSO) PSS J2322+1944 reveal an Einstein ring with a diameter of 1.5″. These observations are modeled as a star-forming disk surrounding the QSO nucleus with a radius of 2 kiloparsecs. The implied massive star formation rate is 900 solar masses per year. At this rate, a substantial fraction of the stars in a large elliptical galaxy could form on a dynamical time scale of 108 years. The observation of active star formation in the host galaxy of a high-redshift QSO supports the hypothesis of coeval formation of supermassive black holes and stars in spheroidal galaxies.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1126/science.1082600DOIArticle
https://arxiv.org/abs/astro-ph/0304124arXivDiscussion Paper
ORCID:
AuthorORCID
Carilli, C. L.0000-0001-6647-3861
Djorgovski, S. G.0000-0002-0603-3087
Mahabal, A.0000-0003-2242-0244
Cox, P.0000-0003-2027-8221
Bertoldi, F.0000-0002-1707-1775
Omont, A.0000-0002-4721-3922
Additional Information:© 2003 American Association for the Advancement of Science. 21 January 2003; accepted 20 March 2003; published online 3 April 2003. The National Radio Astronomy Observatory (NRAO) is operated by Associated Universities under a cooperative agreement with NSF. S.G.D. acknowledges partial support from the Bressler Foundation.
Funders:
Funding AgencyGrant Number
Bressler FoundationUNSPECIFIED
Issue or Number:5620
Record Number:CaltechAUTHORS:20141117-141533147
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20141117-141533147
Official Citation:Carilli, C. L., Lewis, G. F., Djorgovski, S. G., Mahabal, A., Cox, P., Bertoldi, F., & Omont, A. (2003). A Molecular Einstein Ring: Imaging a Starburst Disk Surrounding a Quasi-Stellar Object. Science, 300(5620), 773-775. doi: 10.1126/science.1082600
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51861
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:18 Nov 2014 17:09
Last Modified:07 Aug 2019 16:21

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