Stanway, Elizabeth R., Bremer, M. N. (Malcolm N.), Davies, Luke J. M., Birkinshaw, M., Douglas, L. S. and Lehnert, M. D. (Matthew D.). (2008) Large-scale structure traced by molecular gas at high redshift. The Astrophysical Journal, Vol.687 (No.1). L1-L4. ISSN 0004-637X

Full text not available from this repository.

Abstract

We present observations of redshifted CO(1-0) and CO(2-1) in a field containing an overdensity of Lyman break galaxies (LBGs) at . Our Australia Telescope Compact Array observations were centered between two spectroscopically confirmed galaxies. We place upper limits on the molecular gas masses in these two galaxies of M(H2) < 1.7 × 1010 and <2.9 × 109 M (2 σ), comparable to their stellar masses. We detect an optically faint line emitter situated between the two LBGs which we identify as warm molecular gas at . This source, detected in the CO(2-1) transition but undetected in CO(1-0), has an integrated line flux of Jy km s−1 , yielding an inferred gas mass M(H2) = M . Molecular line emitters without detectable counterparts at optical and infrared wavelengths may be crucial tracers of structure and mass at high redshift.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy
Divisions:	Faculty of Science > Physics
Library of Congress Subject Headings (LCSH):	Red shift, Galaxies -- Evolution
Journal or Publication Title:	The Astrophysical Journal
Publisher:	Institute of Physics Publishing, Inc.
ISSN:	0004-637X
Date:	2008
Volume:	Vol.687
Number:	No.1
Page Range:	L1-L4
Identification Number:	10.1086/593976
Status:	Peer Reviewed
Publication Status:	Published
Funder:	Science and Technology Facilities Council (Great Britain) (STFC)
References:	Baker, A. J., Tacconi, L. J., Genzel, R., Lehnert, M. D., & Lutz, D. 2004, ApJ, 604, 125 Bertoldi, F., et al. 2003, A&A, 409, L47 Blain, A. W., Frayer, D. T., Bock, J. J., & Scoville, N. Z. 2000, MNRAS, 313, 559 Bouwens, R. J., Illingworth, G. D., Thompson, R. I., & Franx, M. 2005, ApJ, 624, L5 Clowe, D., et al. 2006, A&A, 451, 395 Cooke, J., Wolfe, A. M., Gawiser, E., & Prochaska, J. X. 2006, ApJ, 652, 994 Greve, T. R., et al. 2005, MNRAS, 359, 1165 Heavens, A., Panter, B., Jimenez, R., & Dunlop, J. 2004, Nature, 428, 625 Heger, A., & Woosley, S. E. 2002, ApJ, 567, 532 Klamer, I. J., Ekers, R. D., Sadler, E. M., Weiss, A., Hunstead, R. W., & De Breuck, C. 2005, ApJ, 621, L1 Oke, J. B., & Gunn, J. E. 1983, ApJ, 266, 713 Prochaska, J. X., Herbert-Fort, S., & Wolfe, A. M. 2005, ApJ, 635, 123 Smail, I., Chapman, S. C., Blain, A. W., & Ivison, R. J. 2004, ApJ, 616, 71 Smail, I., Ivison, R. J., Gilbank, D. G., Dunlop, J. S., Keel, W. C., Motohara, K., & Stevens, J. A. 2003, ApJ, 583, 551 Solomon, P. M., & Vanden Bout, P. A. 2005, ARA&A, 43, 677 Stanway, E. R., et al. 2007, MNRAS, 376, 727 Steidel, C. C., Shapley, A. E., Pettini, M., Adelberger, K. L., Erb, D. K., Reddy, N. A., & Hunt, M. P. 2004, ApJ, 604, 534 Verma, A., Lehnert, M. D., Fo¨rster Schreiber, N. M., Bremer,M. N.,&Douglas, L. 2007, MNRAS, 377, 1024 Walter, F., et al. 2003, Nature, 424, 406 Zwaan, M. A., & Prochaska, J. X. 2006, ApJ, 643, 675
URI:	http://wrap.warwick.ac.uk/id/eprint/40087

Request changes to a record

Actions (login required)

View Item