Quasars Resolved

Details Quasars Resolved Quasars Resolved

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980msngr..20r...1w&link_type=abstract

The Messenger, No.20, P. 1, 1980

Physics

Optics

1

Scientific paper

While observers have obtained spectra of more than 1,400 quasars since they were discovered in 1963, fewer than one per cent have been studied by direct imaging techniques at significantly faint surface brightness levels and high angular resolution to detect anything more than a bright point-like source. La Silla's very dark sky, excellent seeing, plus the superb optics of the 3.6-m telescope have been combined with digital analysis of sky-limited photographs to produce two-dimensional intensity contour maps and image profiles of quasars. The contour maps reveal extended structure on ascale of 5-10 are sec for 80 per cent of a sample of 20 low redshift (z = 0.1-0.5) quasars. In a significant number of cases the data also show the presence of galaxies near the QSO's, some of which have measured redshifts nearly equal to the QSO redshifts. This programme is the joint effort of Drs. Peter Wehinger and Thomas Gehren of the Max-Planck Institute for Astronomy in Heidelberg and Professor Susan Wyckoff of Arizona State University in Tempe, Arizona.

Affiliated with

Also associated with

No associations

Rating

Quasars Resolved does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Quasars Resolved, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quasars Resolved will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1574820