The first ISO ERO: A dusty quasar at z = 1.5
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Pierre, M.
Lidman, C.
Hunstead, R.
Alloin, D.
Casali, M.
Cesarsky, C.
Chanial, P.
Duc, P. -A.
Fadda, D.
Flores, H.
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Abstract
We report the discovery of an extremely red object (ERO) in a medium-deep ISOCAM extragalactic survey. The object is also a radio source. Subsequent VLT NIR spectroscopy revealed a prominent Hα line giving a redshift of 1.5. We present the spectrum and photometric data points and discuss evidence that ISO J1324-2016 is a quasar harbouring a significant amount of very hot dust. Based on observations collected at the ISO Observatory, Canada-France-Hawaii Telescope, Australia Telescope Compact Array, UKIRT, ROSAT and the European Southern Observatory (prg: 58.E-0885, 61.B-0369, 265.B-5005).
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Astronomy and Astrophysics
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