Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991sciam.264...50c&link_type=abstract
Scientific American (ISSN 0036-8733), vol. 264, June 1991, p. 50-57.
Physics
Active Galactic Nuclei, Quasars, Stellar Luminosity, Stellar Spectra, Electromagnetic Spectra, Radiant Flux Density, Stellar Radiation
Scientific paper
By monitoring the quasar 3C 273 in all domains of the electromagnetic spectrum and by observing variations in its luminosity, the physical processes that power quasars are beginning to be understood. The variability has led to the conclusion that the tremendous energy of quasars is radiated from a region many times smaller than the cores of ordinary galaxies. As only a very small fraction of the radiation from 3C 273 reaches earth, capturing this radiation necessitates frequent observations utilizing a battery of ground-based telescopes and satellite-borne instruments. By performing a calculation that takes into account the distance from earth to this quasar and the observed flux of radiation, it has been found that the luminosity of 3C 273 exceeds 10 to the 14th times that of the sun. Additional details including spectral features, flux of radiation, the X-ray domain, and the inferred structure of a quasar are discussed.
Courvoisier Thierry J. -L.
Robson Ian E.
No associations
LandOfFree
The quasar 3C 273 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 The quasar 3C 273, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The quasar 3C 273 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1278257