Near-infrared emission of the bright quasar IR 0914-62

Details Near-infrared emission of the bright quasar IR 0914-62 Near-infrared emission of the bright quasar IR 0914-62

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...258..272c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 258, no. 2, p. 272-278.

Astronomy and Astrophysics

Astronomy

2

Infrared Spectroscopy, Near Infrared Radiation, Quasars, Spectral Emission, Spectral Line Width, Infrared Astronomy Satellite, Infrared Photometry, Paschen Series

Scientific paper

Near-infrared observations of the bright quasar IR 0914-62 including photometry and circular variable filter spectroscopy indicate a steep power law continuum shortward of 2.5 micron. Paschen alpha and possibly Brackett gamma are detected in emission. The line width of Paschen alpha is typical of the broad-line region. No evidence of a dust feature at 3.3 micron is seen. Optical photometry indicates little variations. The continuum from 100 micron to the U band can be represented by a model including a steep distribution of dust as a function of temperature and a relatively cool blue bump (about 7000 K, as expected in the absence of ultraviolet data).

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