Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-10-26
Astronomy and Astrophysics
Astrophysics
9 pages, 3 figures: accepted for publication in Astronomy and Astrophysics
Scientific paper
10.1051/0004-6361:20000508
Eight luminous quasars with $ -30 < M_B < -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. Supplementing ISO observations with photometry in the optical and near-infrared made from the ground mostly within 17 months after the ISO observations, SEDs (Spectral Energy Distributions) from the UV to far-infrared have been obtained. 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 $-27 < M_B < -22$. It is shown that our far-infrared observations were limited by confusion noise due to crowded sources.
Gabriel Carlos
Hasegawa Takuya
Kawara Kimiaka
Nishihara Eiji
Okuda Haruyuki
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