A new narrow-line Seyfert 1 galaxy - IRAS 1652 + 395
Journal Article
·
· Astrophysical Journal; (USA)
- CNR, Istituto di Studio e Tecnologie sulle Radiazioni Estraterrestri, Bologna (Italy)
Multiwavelength observations of IRAS 1652 + 395, an FIR and X-ray source serendipitously discovered in the field of the BL Lac object Mrk 501, are reported. They show that IRAS 1652 + 395 is a new Seyfert 1 galaxy at a redshift of z = 0.069. The Balmer emission lines are only slightly broader (1000 km/sec FWHM) than the forbidden lines, suggesting a classification as a narrow-line Seyfert 1 galaxy, as reported by Osterbrock and Pogge (1985). Its energy distribution from FIR to X-ray frequencies is well fitted by starlight plus a power law of spectral index alpha = - 1.2, with no evidence of a 'blue bump'. 26 refs.
- OSTI ID:
- 5356687
- Journal Information:
- Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 344; ISSN ASJOA; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BALMER LINES
CLASSIFICATION
COSMIC RAY SOURCES
COSMIC X-RAY SOURCES
ELECTROMAGNETIC RADIATION
ENERGY SPECTRA
FAR INFRARED RADIATION
GALAXIES
INFRARED RADIATION
RADIATIONS
RED SHIFT
SEYFERT GALAXIES
SPECTRA
SPECTROSCOPY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BALMER LINES
CLASSIFICATION
COSMIC RAY SOURCES
COSMIC X-RAY SOURCES
ELECTROMAGNETIC RADIATION
ENERGY SPECTRA
FAR INFRARED RADIATION
GALAXIES
INFRARED RADIATION
RADIATIONS
RED SHIFT
SEYFERT GALAXIES
SPECTRA
SPECTROSCOPY