2004MNRAS.348.1035I

Query : 2004MNRAS.348.1035I

2004MNRAS.348.1035I - Mon. Not. R. Astron. Soc., 348, 1035-1037 (2004/March-1)

Dense molecular gas in quasar host galaxies: a search for HCN emission from BR B1202-0725 at z = 4.695.

ISAAK K.G., CHANDLER C.J. and CARILLI C.L.

Abstract (from CDS):

We report on the results of a search using the VLA for redshifted HCN(1-0) emission from the host galaxy of BR B1202-0725, an optically luminous quasar at z = 4.695. The host galaxy emits strongly in the rest-frame far-infrared, and shows characteristics very similar to those of more local ultraluminous infrared galaxies, in which a significant fraction of the far-infrared emission is powered by star formation. We find a 3σ upper limit to the HCN(1-0) emission of 4.9x1010 K km/s/pc2, assuming a Λ cosmology. This limit is consistent with correlations derived from measurements of HCN, CO, and far-infrared emission for a sample of more local galaxies including starbursts.

Abstract Copyright: 2004 RAS

Journal keyword(s): galaxies: evolution - galaxies: starburst - quasars: general - quasars: individual: BR B1202-0725 - radio lines: galaxies

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 [VV96] J102434.5+470911 Sy1 10 24 34.5 +47 09 11     20.5     ~ 489 0
2 PMN J1149-0740 Rad 11 49 28.620 -07 40 14.14           ~ 3 1
3 QSO B1202-074 QSO 12 05 23.1360370080 -07 42 32.759842896     17.5     ~ 389 5
4 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
5 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2

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