U.S. Department of EnergyOffice of Scientific and Technical Information
Adaptive Optics Imaging Survey of Luminous Infrared Galaxies
Abstract
We present high resolution imaging observations of a sample of previously unidentified far-infrared galaxies at z < 0.3. The objects were selected by cross-correlating the IRAS Faint Source Catalog with the VLA FIRST catalog and the HST Guide Star Catalog to allow for adaptive optics observations. We found two new ULIGs (with L{sub FIR} {ge} 10{sup 12} L{sub {circle_dot}}) and 19 new LIGs (with L{sub FIR} {ge} 10{sup 11} L{sub {circle_dot}}). Twenty of the galaxies in the sample were imaged with either the Lick or Keck adaptive optics systems in H or K{prime}. Galaxy morphologies were determined using the two dimensional fitting program GALFIT and the residuals examined to look for interesting structure. The morphologies reveal that at least 30% are involved in tidal interactions, with 20% being clear mergers. An additional 50% show signs of possible interaction. Line ratios were used to determine powering mechanism; of the 17 objects in the sample showing clear emission lines--four are active galactic nuclei and seven are starburst galaxies. The rest exhibit a combination of both phenomena.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 899116
- Report Number(s):
- UCRL-JRNL-220895
TRN: US200706%%499
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Journal Article
- Journal Name:
- Astronomical Journal, vol. 131, no. 6, June 1, 2006, pp. 2877-2887
- Additional Journal Information:
- Journal Name: Astronomical Journal, vol. 131, no. 6, June 1, 2006, pp. 2877-2887
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; GALAXIES; NUCLEI; OPTICS; RESOLUTION; STARS
Citation Formats
Laag, E A, Canalizo, G, van Breugel, W, Gates, E L, de Vries, W, and Stanford, S A. Adaptive Optics Imaging Survey of Luminous Infrared Galaxies. United States: N. p., 2006.
Web. doi:10.1086/504112.
Laag, E A, Canalizo, G, van Breugel, W, Gates, E L, de Vries, W, & Stanford, S A. Adaptive Optics Imaging Survey of Luminous Infrared Galaxies. United States. https://doi.org/10.1086/504112
Laag, E A, Canalizo, G, van Breugel, W, Gates, E L, de Vries, W, and Stanford, S A. 2006.
"Adaptive Optics Imaging Survey of Luminous Infrared Galaxies". United States. https://doi.org/10.1086/504112. https://www.osti.gov/servlets/purl/899116.
@article{osti_899116,
title = {Adaptive Optics Imaging Survey of Luminous Infrared Galaxies},
author = {Laag, E A and Canalizo, G and van Breugel, W and Gates, E L and de Vries, W and Stanford, S A},
abstractNote = {We present high resolution imaging observations of a sample of previously unidentified far-infrared galaxies at z < 0.3. The objects were selected by cross-correlating the IRAS Faint Source Catalog with the VLA FIRST catalog and the HST Guide Star Catalog to allow for adaptive optics observations. We found two new ULIGs (with L{sub FIR} {ge} 10{sup 12} L{sub {circle_dot}}) and 19 new LIGs (with L{sub FIR} {ge} 10{sup 11} L{sub {circle_dot}}). Twenty of the galaxies in the sample were imaged with either the Lick or Keck adaptive optics systems in H or K{prime}. Galaxy morphologies were determined using the two dimensional fitting program GALFIT and the residuals examined to look for interesting structure. The morphologies reveal that at least 30% are involved in tidal interactions, with 20% being clear mergers. An additional 50% show signs of possible interaction. Line ratios were used to determine powering mechanism; of the 17 objects in the sample showing clear emission lines--four are active galactic nuclei and seven are starburst galaxies. The rest exhibit a combination of both phenomena.},
doi = {10.1086/504112},
url = {https://www.osti.gov/biblio/899116},
journal = {Astronomical Journal, vol. 131, no. 6, June 1, 2006, pp. 2877-2887},
number = ,
volume = ,
place = {United States},
year = {Mon Mar 13 00:00:00 EST 2006},
month = {Mon Mar 13 00:00:00 EST 2006}
}
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