2001A&A...365..409O

Query : 2001A&A...365..409O

2001A&A...365..409O - Astronomy and Astrophysics, volume 365, 409-416 (2001/1-3)

ISO continuum observations of quasars at z=1-4. I. Spectral energy distributions of quasars from the UV to far-infrared.

OYABU S., KAWARA K., TSUZUKI Y., SOFUE Y., SATO Y., OKUDA H., TANIGUCHI Y., SHIBAI H., GABRIEL C., HASEGAWA T. and NISHIHARA E.

Abstract (from CDS):

Eight luminous quasars with -30<MB←27 at z=1.4-3.7 have been observed in the mid- and far-infrared using ISO. All the quasars have been detected in the mid-infrared bands of ISOCAM, while no far-infrared detections have been made with ISOPHOT. SEDs (Spectral Energy Distributions) from the UV to far-infrared have been obtained while supplementing ISO observations with photometry in the optical and near-infrared made from the ground within 17 months. The SEDs are compared with the MED (Mean spectral Energy Distributions) of low-redshift quasars with -27<MB←22. It is shown that our far-infrared observations were limited by confusion noise due to crowded sources.

Abstract Copyright: ∼

Journal keyword(s): infrared: galaxies - infrared: ISM: continuum - quasars: general - galaxies: photometry

VizieR on-line data: <Available at CDS (J/A+A/365/409): table3.dat table4.dat>

Simbad objects: 10

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Number of rows : 10
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 QSO B0055-26 QSO 00 57 58.0253990928 -26 43 14.750912928   17.90 17.47 17.99   ~ 150 1
2 QSO J0105-1846 QSO 01 05 16.7912097864 -18 46 41.986634736     18.3     ~ 78 0
3 QSO B0249-222 QSO 02 51 40.4132153472 -22 00 26.400580488     17.7     ~ 39 0
4 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 5798 1
5 QSO B1422+2309 BLL 14 24 38.0938 +22 56 00.587   16.77 15.84 14.79   ~ 450 1
6 [PBW92] 1422+231 gLS 14 24 38.09400 +22 56 00.5900   16.77 15.84 14.79   ~ 356 0
7 [VV96] J155007.6+462855 QSO 15 50 07.5906004032 +46 28 55.663985172     19.24     ~ 16 0
8 QSO B1630+3744 QSO 16 32 01.1117931960 +37 37 49.980505332   16.50 16.30     ~ 175 0
9 QSO B1640+4628 QSO 16 42 05.1473324160 +46 22 26.057188380     19.52     ~ 25 0
10 QSO J1716+5328 QSO 17 16 35.5677616080 +53 28 15.827676888   16.30 16.48     ~ 69 0

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