2013A&A...551A.115O


Query : 2013A&A...551A.115O

2013A&A...551A.115O - Astronomy and Astrophysics, volume 551A, 115-115 (2013/3-1)

H2O emission in high-z ultra-luminous infrared galaxies.

OMONT A., YANG C., COX P., NERI R., BEELEN A., BUSSMANN R.S., GAVAZZI R., VAN DER WERF P., RIECHERS D., DOWNES D., KRIPS M., DYE S., IVISON R., VIEIRA J.D., WEISS A., AGUIRRE J.E., BAES M., BAKER A.J., BERTOLDI F., COORAY A., DANNERBAUER H., DE ZOTTI G., EALES S.A., FU H., GAO Y., GUELIN M., HARRIS A.I., JARVIS M., LEHNERT M., LEEUW L., LUPU R., MENTEN K., MICHALOWSKI M.J., NEGRELLO M., SERJEANT S., TEMI P., AULD R., DARIUSH A., DUNNE L., FRITZ J., HOPWOOD R., HOYOS C., IBAR E., MADDOX S., SMITH M.W.L., VALIANTE E., BOCK J., BRADFORD C.M., GLENN J. and SCOTT K.S.

Abstract (from CDS):

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 202-111 or 211-202 H2O emission lines with integrated line fluxes ranging from 1.8 to 14Jy.km/s. The corresponding apparent luminosities are µLH2O∼3-12x108L, where µ is the lensing magnification factor (3<µ<12). These results confirm that H2O 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 (∼200-900km/s). With the current sensitivity of the PdBI, the water lines can therefore easily be detected in high-z lensed galaxies (with F(500µm)>100mJy) 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 H2O lines, and implies that high-z galaxies with LIR>1013L tend to be very strong emitters in water vapor, that have no equivalent in the local universe.

Abstract Copyright:

Journal keyword(s): galaxies: high-redshift - galaxies: starburst - infrared: galaxies - submillimeter: galaxies - radio lines: galaxies

CDS comments: H-ATLAS J142413.9+022303 is H-ATLAS J142413.9+022304, and H-ATLAS J133008.4+245900 is H-ATLAS J133008.3+245900 in Simbad.

Simbad objects: 32

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Number of rows : 32
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 3C 84 Sy2 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 3980 3
2 RAFGL 618 pA* 04 42 53.6242032600 +36 06 53.400902220   16.32   12.59   C-rich 997 0
3 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 550 1
4 QSO J0854+2006 BLL 08 54 48.8749846272 +20 06 30.639583620   15.91 15.43 15.56   ~ 2313 1
5 [NHD2010] SDP 17 lens gLe 09 03 02.9 -01 41 27           ~ 10 0
6 NAME SDP 17b G 09 03 02.9 -01 41 27           ~ 17 0
7 H-ATLAS J090302.9-014127 G 09 03 02.9 -01 41 27           ~ 28 0
8 SDP 81 LeG 09 03 11.574 +00 39 06.55           ~ 97 0
9 SDSS J090311.57+003906.5 GiC 09 03 11.5785 +00 39 06.542           ~ 28 0
10 2MASX J09041268-3627007 G 09 04 12.689 -36 27 00.76           ~ 85 0
11 [NHD2010] SDP 9 lens gLe 09 07 40.0 -00 42 00           ~ 9 0
12 H-ATLAS J090740.0-004200 G 09 07 40.0 -00 42 00           ~ 31 0
13 ACO 773 ClG 09 17 51.3 +51 43 20           ~ 293 0
14 [CRR2012] HLS J091828.6+514223 G 09 18 28.60 +51 42 23.3           ~ 39 0
15 UGC 5101 Sy2 09 35 51.6045544584 +61 21 11.589382368   15.20 15.50     ~ 570 4
16 [VV96] J102434.5+470911 Sy1 10 24 34.5 +47 09 11     20.5     ~ 485 0
17 NAME G12.v2.30 G 11 46 37.9 -00 11 32           ~ 32 0
18 NGC 4355 Sy2 12 26 54.6206739120 -00 52 39.421212996   14.21 13.37     ~ 485 2
19 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3021 2
20 Mrk 231 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 1973 3
21 2MASX J13150638-5509225 Sy2 13 15 06.383 -55 09 22.60   17.3       ~ 147 0
22 NAME NB.v1.78 G 13 30 08.3 +24 59 00           ~ 17 0
23 H-ATLAS J133649.9+291800 G? 13 36 49.9 +29 18 01           ~ 18 0
24 Mrk 273 Sy2 13 44 42.1781 +55 53 12.819   15.68 14.91     ~ 909 3
25 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 643 0
26 NAME G15.v2.779 G 14 24 13.9 +02 23 04           ~ 52 0
27 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2951 4
28 ESO 69-6 IG 16 38 11.905 -68 26 08.02   16.16   14.83   ~ 64 2
29 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1632 2
30 LEDA 60189 LIN 17 23 21.943 -00 17 00.96   15.1       ~ 424 0
31 EM* MWC 349 ** 20 32 45.499080 +40 39 36.74124   15.88 13.15 12.13   Bep 793 0
32 LEDA 90429 SyG 23 39 01.274 +36 21 08.77   16.17       ~ 216 1

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