Is every quasar beamed?
A companion paper (Barthel et al.) reports the discovery of superluminal motion in the core of 4C 34.47, the largest known quasi-stellar radio source. Superluminal motion, the apparent continuity of small- and large-scale one-sided radio jets, and the recently established depolarization asymmetry in...
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| Veröffentlicht in: | Astrophys. J.; (United States) 1989-01, Vol.336 (2), p.606-611 |
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| container_title | Astrophys. J.; (United States) |
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| creator | BARTHEL, P. D |
| description | A companion paper (Barthel et al.) reports the discovery of superluminal motion in the core of 4C 34.47, the largest known quasi-stellar radio source. Superluminal motion, the apparent continuity of small- and large-scale one-sided radio jets, and the recently established depolarization asymmetry in luminous quasars find a natural explanation in the effects of relativistic beaming. In the frameworkof of this relativistic beaming model, the available data imply that all radio-loud quasars are beamed toward the earth. Powerful radio galaxies may well form the unbeamed parent population. Radio-quiet QSOs and powerful infrared galaxies can be unified using similar orientation effects. 76 references. |
| doi_str_mv | 10.1086/167038 |
| format | Article |
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Radio-quiet QSOs and powerful infrared galaxies can be unified using similar orientation effects. 76 references.</description><subject>640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources</subject><subject>Astronomy</subject><subject>ASYMMETRY</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>COSMIC RADIO SOURCES</subject><subject>Earth, ocean, space</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>ENERGY RANGE</subject><subject>Exact sciences and technology</subject><subject>GALAXIES</subject><subject>MATHEMATICAL MODELS</subject><subject>MOTION</subject><subject>PLASMA JETS</subject><subject>QUASARS</subject><subject>RADIATIONS</subject><subject>RADIO GALAXIES</subject><subject>Radio sources</subject><subject>RADIOWAVE RADIATION</subject><subject>RED SHIFT</subject><subject>RELATIVISTIC RANGE</subject><subject>Stellar systems. Galactic and extragalactic objects and systems. 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Galactic and extragalactic objects and systems. The universe</topic><topic>Unidentified sources and radiation outside the solar system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BARTHEL, P. D</creatorcontrib><creatorcontrib>Owens Valley Radio Observatory, Pasadena, CA (USA)</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Astrophys. J.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BARTHEL, P. D</au><aucorp>Owens Valley Radio Observatory, Pasadena, CA (USA)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Is every quasar beamed?</atitle><jtitle>Astrophys. J.; (United States)</jtitle><date>1989-01-01</date><risdate>1989</risdate><volume>336</volume><issue>2</issue><spage>606</spage><epage>611</epage><pages>606-611</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><coden>ASJOAB</coden><abstract>A companion paper (Barthel et al.) reports the discovery of superluminal motion in the core of 4C 34.47, the largest known quasi-stellar radio source. Superluminal motion, the apparent continuity of small- and large-scale one-sided radio jets, and the recently established depolarization asymmetry in luminous quasars find a natural explanation in the effects of relativistic beaming. In the frameworkof of this relativistic beaming model, the available data imply that all radio-loud quasars are beamed toward the earth. Powerful radio galaxies may well form the unbeamed parent population. Radio-quiet QSOs and powerful infrared galaxies can be unified using similar orientation effects. 76 references.</abstract><cop>Chicago, IL</cop><pub>University of Chicago Press</pub><doi>10.1086/167038</doi><tpages>6</tpages></addata></record> |
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| ispartof | Astrophys. J.; (United States), 1989-01, Vol.336 (2), p.606-611 |
| issn | 0004-637X 1538-4357 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | 640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources Astronomy ASYMMETRY CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COSMIC RADIO SOURCES Earth, ocean, space ELECTROMAGNETIC RADIATION ENERGY RANGE Exact sciences and technology GALAXIES MATHEMATICAL MODELS MOTION PLASMA JETS QUASARS RADIATIONS RADIO GALAXIES Radio sources RADIOWAVE RADIATION RED SHIFT RELATIVISTIC RANGE Stellar systems. Galactic and extragalactic objects and systems. The universe Unidentified sources and radiation outside the solar system |
| title | Is every quasar beamed? |
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