Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
H
2
O emission in high- z ultra-luminous infrared galaxies
Astronomy and Astrophysics, Volume 551, Article A115, Year 2013
Notification
URL copied to clipboard!
Description
Using the IRAM Plateau de Bure interferometer (PdBI), we report the detection of water vapor in six new lensed ultra-luminous starburst galaxies at high redshift, discovered in the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS). The sources are detected either in the 202-1 11 or 211-202 H2O emission lines with integrated line fluxes ranging from 1.8 to 14 Jy km s-1. The corresponding apparent luminosities are μLH2O ~ 3-12 × 108 L⊙, where μ is the lensing magnification factor (3 < μ < 12). These results confirm that H 2O lines are among the strongest molecular lines in high-z ultra-luminous starburst galaxies, with intensities almost comparable to those of the high-J CO lines, and similar profiles and line widths (~200-900 km s -1). With the current sensitivity of the PdBI, the water lines can therefore easily be detected in high-z lensed galaxies (with F(500 μm) > 100 mJy) discovered in the Herschel surveys. Correcting the luminosities for amplification, using existing lensing models, LH2O is found to have a strong dependence on the infrared luminosity, varying as ~LIR1.2. This relation, which needs to be confirmed with better statistics, may indicate a role of radiative (infrared) excitation of the H 2O lines, and implies that high-z galaxies with LIR ≥ 1013 L⊙ tend to be very strong emitters in water vapor, that have no equivalent in the local universe. © ESO, 2013.
Authors & Co-Authors
Omont, Alain A.
France, Paris
Institut D’astrophysique de Paris
Yang, Chentao
France, Paris
Institut D’astrophysique de Paris
China, Nanjing
Purple Mountain Observatory Chinese Academy of Sciences
China, Beijing
Beijing Normal University
Cox, Pierre
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Neri, Roberto
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Beelen, Alexandre
France, Orsay
Institut D'astrophysique Spatiale
Bussmann, Robert Shane
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Gavazzi, Raphaël
France, Paris
Institut D’astrophysique de Paris
van der Werf, Paul P.
Netherlands, Leiden
Sterrewacht Leiden
Riechers, Dominick A.
United States, Ithaca
Cornell University
United States, Pasadena
California Institute of Technology
Downes, D.
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Krips, Melanie
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Dye, S.
United Kingdom, Nottingham
University of Nottingham
Ivison, Robert J.
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Vieira, Joaquin D.
United States, Pasadena
California Institute of Technology
Weiss, Axel R.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Aguirre, James E.
United States, Philadelphia
University of Pennsylvania
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Bertoldi, Frank
Germany, Bonn
Universität Bonn
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
Dannerbauer, Helmut
Austria, Vienna
Universität Wien
de Zotti, Gianfranco
Italy, Padua
Osservatorio Astronomico Di Padova
Eales, Stephen A.
United Kingdom, Cardiff
Cardiff University
Fu, Hai
United States, Irvine
University of California, Irvine
Gao, Yu
China, Nanjing
Purple Mountain Observatory Chinese Academy of Sciences
Guélin, Michel
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Harris, Andrew I.
United States, College Park
University of Maryland, College Park
Jarvis, Matthew J.
South Africa, Bellville
University of the Western Cape
Lehnert, Matthew D.
France, Paris
Institut D’astrophysique de Paris
France, Paris
Cnrs Centre National de la Recherche Scientifique
Leeuw, Lerothodi L.
South Africa, Pretoria
University of South Africa
Lupu, Roxana E.
United States, Philadelphia
University of Pennsylvania
Menten, Karlm M.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Michałowski, Michał J.
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Belgium, Ghent
Universiteit Gent
Negrello, Mattia
Italy, Padua
Osservatorio Astronomico Di Padova
Italy, Trieste
Scuola Internazionale Superiore Di Studi Avanzati
Serjeant, Stephen B.G.
United Kingdom, Milton Keynes
The Open University
Temi, Pasquale
United States, Moffett Field
Nasa Ames Research Center
Auld, Robbie R.
United Kingdom, Cardiff
Cardiff University
Dariush, Aliakbar A.
United Kingdom, Cardiff
Cardiff University
Iran, Tehran
Iranian Research Institute for Fundamental Sciences
Dunne, Loretta
New Zealand, Christchurch
University of Canterbury
United Kingdom, Nottingham
University of Nottingham
Fritz, Jacopo
Belgium, Ghent
Universiteit Gent
Hopwood, Rosalind H.B.
United Kingdom, London
Imperial College London
Hoyos, Carlos
United Kingdom, Nottingham
University of Nottingham
Ibar, E.
United Kingdom, Edinburgh
Royal Observatory
Chile, Santiago
Pontificia Universidad Católica de Chile
Maddox, Steve J.
New Zealand, Christchurch
University of Canterbury
United Kingdom, Nottingham
University of Nottingham
Smith, Matthew W.L.
United Kingdom, Cardiff
Cardiff University
Valiante, Elisabetta
United Kingdom, Cardiff
Cardiff University
Bock, James J.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Bradford, Charles Matt
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Glenn, Jason
United States, Boulder
University of Colorado Boulder
Scott, Kimberly S.
United States, Philadelphia
University of Pennsylvania
Statistics
Citations: 56
Authors: 49
Affiliations: 34
Identifiers
Doi:
10.1051/0004-6361/201220811
ISSN:
00046361
e-ISSN:
14320746
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative