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Plethora of quasars
Observing a quadrant of the sky at visible-light, infrared, and radio wavelengths, astronomers have discovered dozens of quasars, including the most distant one known.
References:
1998. Scientists of Sloan Digital Sky Survey discover most distant quasar. SDSS News Release. Available at http://www.sdss.org/news/releases/19981208.qso.html.
Cutri, R.M., and M.F. Skrutskie. 1999. Two Micron All Sky Survey status report. Meeting of the American Astronomical Society. January. Austin, Texas.
Nelson, B. 1999. A new population of IR-selected AGN uncovered by 2MASS. Meeting of the American Astronomical Society. January. Austin, Texas.
Sources:
Xiaohui Fan
Princeton University
Astrophysical Sciences and Observatory
Peyton Hall
Princeton, NJ 08544-1001
Brant O. Nelson
California Institute of Technology, IPAC
Mailstop Code 100-22
Pasadena, CA 91125
Michael S. Turner
University of Chicago
Astronomy & Astrophysics Center
5640 South Ellis Avenue
Chicago, IL 60627-1433
From Science News, Vol. 155, No. 4, January 23, 1999, p. 57. Copyright © 1999, Science Service.
