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High spatial resolution continuum and Hɑ imaging of the high-redshift IRAS source FSC 10214+4724

Soifer, B. T. and Neugebauer, G. and Matthews, K. and Lawrence, C. and Mazzarella, J. (1992) High spatial resolution continuum and Hɑ imaging of the high-redshift IRAS source FSC 10214+4724. Astrophysical Journal, 399 (1). L55-L58. ISSN 0004-637X. doi:10.1086/186605.

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High spatial resolution images have been obtained of the high-redshift (z = 2.286) IRAS source FSC 10214+4724 at wavelengths corresponding to the optical continuum and Hɑ in the object's rest frame. The continuum shows two clumps separated by ~1" (~10 kpc) and aligned approximately north-south. The structure appears similar at rest wavelengths of 0.38, 0.64, and 0.67 μm. The continuum morphology suggests two separate concentrations of luminosity, likely the nuclei of interacting galaxies, although a large galaxy bifurcated by an immense dust lane cannot be ruled out. The southern component is predominantly extended in the east-west direction on a scale of -0."5 (5 kpc), consistent with the position and elongation of the radio source reported in 1992 by Lawrence et al. The Hɑ emission is centered on the southern component of the galaxy and is unresolved with a diameter smaller than 0."4 ( < 3.5 kpc). A simple explanation for the current observations is an interacting system comprised of two or more highly luminous (~10^(12) L_☉) galaxies, one of which contains a dust enshrouded quasar that generates the bulk of the bolometric luminosity (~ 5 x 10^(14) L_☉) of the system.

Item Type:Article
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Mazzarella, J.0000-0002-8204-8619
Additional Information:© 1992 American Astronomical Society. Received 1992 June 25; accepted 1992 August 12. We thank Juan Carasco and Lee Armus for assistance with the observations and E. S. Phinney and M. Voit for helpful discussions. This research was supported in part by grants from the NSF and NASA. IPAC is supported by the Jet Propulsion Laboratory, California Institute of Technology, under contract with NASA.
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Subject Keywords:galaxies: formation galaxies: interactions
Issue or Number:1
Record Number:CaltechAUTHORS:20170301-070003738
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Official Citation:High spatial resolution continuum and H-alpha imaging of the high-redshift IRAS source FSC 10214+4724 Soifer, B. T., Neugebauer, G., Matthews, K., Lawrence, C., & Mazzarella, J. Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 399, no. 1, p. L55-L58.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:74623
Deposited By: Ruth Sustaita
Deposited On:01 Mar 2017 15:52
Last Modified:11 Nov 2021 05:28

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