Urquhart, S. A., Bendo, G. J., Serjeant, S., Bakx, T., Hagimoto, M., Cox, P., Neri, R., Lehnert, M., Sedgwick, C., Weiner, C., Dannerbauer, H., Amvrosiadis, A., Andreani, P., Baker, A. J., Beelen, A., Berta, S., Borsato, E., Buat, V, Butler, K. M., Cooray, A., De Zotti, G., Dunne, L., Dye, S., Eales, S., Enia, A., Fan, L., Gavazzi, R., Gonzalez-Nuevo, J., Harris, A., I, Herrera, C. N., Hughes, D., Ismail, D., Ivison, R., Jin, S., Jones, B., Kohno, K., Krips, M., Lagache, G., Marchetti, L., Massardi, M., Messias, H., Negrello, M., Omont, A., Perez-Fournon, I, Riechers, D. A., Scott, D., Smith, M. W. L., Stanley, F., Tamura, Y., Temi, P., Vlahakis, C., Weiss, A., van der Werf, P., Verma, A., Yang, C. and Young, A. J. (2022). The bright extragalactic ALMA redshift survey (BEARS) I: redshifts of bright gravitationally lensed galaxies from the Herschel ATLAS. Mon. Not. Roy. Astron. Soc., 511 (2). S. 3017 - 3034. OXFORD: OXFORD UNIV PRESS. ISSN 1365-2966

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Abstract

We present spectroscopic measurements for 71 galaxies associated with 62 of the brightest high-redshift submillimetre sources from the Southern fields of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS), while targeting 85 sources which resolved into 142. We have obtained robust redshift measurements for all sources using the 12-m Array and an efficient tuning of ALMA to optimize its use as a redshift hunter, with 73 per cent of the sources having a robust redshift identification. Nine of these redshift identifications also rely on observations from the Atacama Compact Array. The spectroscopic redshifts span a range 1.41 < z < 4.53 with a mean value of 2.75, and the CO emission line full-width at half-maxima range between 110 km s(-1) < FWHM < 1290 km s(-1) with a mean value of similar to 500 km s(-1), in line with other high-z samples. The derived CO(1-0) luminosity is significantly elevated relative to line-width to CO(1-0) luminosity scaling relation, which is suggestive of lensing magnification across our sources. In fact, the distribution of magnification factors inferred from the CO equivalent widths is consistent with expectations from galaxy-galaxy lensing models, though there is a hint of an excess at large magnifications that may be attributable to the additional lensing optical depth from galaxy groups or clusters.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Urquhart, S. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bendo, G. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Serjeant, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bakx, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hagimoto, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cox, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Neri, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lehnert, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sedgwick, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Weiner, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dannerbauer, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Amvrosiadis, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Andreani, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baker, A. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beelen, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Berta, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Borsato, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buat, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Butler, K. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cooray, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
De Zotti, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dunne, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dye, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eales, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Enia, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fan, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gavazzi, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gonzalez-Nuevo, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Harris, A., IUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Herrera, C. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hughes, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ismail, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ivison, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jin, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jones, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kohno, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Krips, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lagache, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marchetti, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Massardi, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Messias, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Negrello, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Omont, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Perez-Fournon, IUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Riechers, D. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scott, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Smith, M. W. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stanley, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tamura, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Temi, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vlahakis, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Weiss, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
van der Werf, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verma, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yang, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Young, A. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-699007
DOI: 10.1093/mnras/stac150
Journal or Publication Title: Mon. Not. Roy. Astron. Soc.
Volume: 511
Number: 2
Page Range: S. 3017 - 3034
Date: 2022
Publisher: OXFORD UNIV PRESS
Place of Publication: OXFORD
ISSN: 1365-2966
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
STAR-FORMING GALAXIES; SUBMILLIMETER GALAXIES; MOLECULAR GAS; DATA RELEASE; CO J=1-0; DUSTY; STARBURSTS; CANDIDATES; QUASAR; DENSITYMultiple languages
Astronomy & AstrophysicsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69900

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