𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The 3000 a bump in quasars and Seyfert galaxies

✍ Scribed by Yan Ming; Cheng Fu-hua; You Jun-han

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
315 KB
Volume
13
Category
Article
ISSN
0275-1062

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

Classification and obscuration effects i
Classification and obscuration effects in quasars and galaxies of the CDF-N
✍ Patrick S. Osmer; Stephan Frank πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 303 KB

We present a classification scheme for Chandra Deep Field-North (CDF-N) sources with spectroscopic redshifts based upon their broadband spectral energy distributions. A substantial fraction of the faint sources can be identified as normal/star-forming galaxies. The AGN in the sample divide into four

Radio galaxies and type-2 quasars in the
Radio galaxies and type-2 quasars in the Spitzer Extragalactic First Look Survey
✍ M. Lacy; A. Sajina; E. Gates; the XFLS Team πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 625 KB

## Abstract We use mid‐infrared colour‐colour plots made with data from the Spitzer First Look Survey to explore the emission mechanisms of faint radio sources in that field. Using mid‐infrared colours alone, we are able to see the transition from a starburst‐dominated radio source population at su