1996PASP..108..187B

Query : 1996PASP..108..187B

1996PASP..108..187B - Publ. Astron. Soc. Pac., 108, 187-189 (1996/February-0)

A VLA search for CO and HCN emission from z=4 quasars.

BARVAINIS R. and ANTONUCCI R.

Abstract (from CDS):

A search for CO(1-0) line emission from nine quasars and one radio galaxy at z∼4 has been conducted using the VLA. Also, one quasar at z=4.7 was searched for HCN (1-0) emission. Velocity coverage was >2000 km s^-1 in all cases. No detections were obtained, with upper limits on peak line flux densities in the 2-5 mJy/beam range. Corresponding upper limits on molecular gas masses are typically several X10^11 solar mass, assuming the standard Galactic CO to H2 conversion factor and a CO linewidth of 3000 km s^-1.

Abstract Copyright: ∼

Journal keyword(s): Quasars and Active Galactic Nuclei

CDS comments: t.1 M 1205-0726 not identified

Simbad objects: 12

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Number of rows : 12
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 QSO J0003-2603 QSO 00 03 22.9531962024 -26 03 18.304471908   18 17.53     ~ 293 0
2 QSO B0104+0215 QSO 01 06 49.6990475520 +02 31 00.489421776     19.73     ~ 24 0
3 QSO B0131+013 QSO 01 33 48.8103848088 +01 36 16.233728688     19.4     ~ 22 0
4 4C 41.17 rG 06 50 52.098 +41 30 30.53           ~ 349 1
5 QSO B0910+564 QSO 09 14 39.3579390480 +56 13 20.367548796   20.95 20.87     ~ 34 1
6 [VV96] J102434.5+470911 Sy1 10 24 34.5 +47 09 11     20.5     ~ 489 0
7 QSO B1208+101 QSO 12 10 57.0369007056 +09 54 27.069784092     17.5     ~ 113 1
8 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 678 0
9 QSO B1643+465A QSO 16 45 01.0720675632 +46 26 15.457356384     20.26     ~ 66 0
10 4C 62.29 QSO 17 46 14.03413499 +62 26 54.7383195   20.91 19.51     ~ 124 1
11 QSO B2047+013 QSO 20 50 23.2599151248 +01 35 10.726283688     19.71     ~ 26 0
12 QSO B2331+0216 QSO 23 34 32.0240241360 +02 33 21.191735700     19.98     ~ 35 0

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