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Rapid increase in the size of 3C 345

Journal Article · · Astrophys. J., Lett.; (United States)
DOI:https://doi.org/10.1086/182119· OSTI ID:7344893
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The brightness distribution of the quasar 3C 345 at lambda=2.8 cm is accurately modeled with two Gaussian elliptical components. Observations at four epochs between 1974.15 and 1975.68 show that the separation of the components increased from 1.23 to about 1.61 milli-arcsec, at a rate 0.2 milli-arcsec per year. The apparent transverse velocity is vapprox. =8c, if one assumes a cosmological interpretation of the redshift. (AIP)
Research Organization:
Owens Valley Radio Observatory
OSTI ID:
7344893
Journal Information:
Astrophys. J., Lett.; (United States), Journal Name: Astrophys. J., Lett.; (United States) Vol. 206:1; ISSN AJLEA
Country of Publication:
United States
Language:
English

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Related Subjects

640103* -- Astrophysics & Cosmology-- Quasi-Stellar
Radio
& X-Ray Sources-- (-1987)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BRIGHTNESS
COSMIC RADIO SOURCES
ELECTROMAGNETIC RADIATION
FIELD THEORIES
GENERAL RELATIVITY THEORY
INTERFEROMETRY
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
QUASARS
RADIATIONS
RADIOWAVE RADIATION
RELATIVITY THEORY
VARIATIONS