Survey of the optical variability of compact extragalactic objects. I - The field of 3 C 345

Details Survey of the optical variability of compact extragalactic objects. I - The field of 3 C 345 Survey of the optical variability of compact extragalactic objects. I - The field of 3 C 345

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....59..419b&link_type=abstract

Astronomy and Astrophysics, vol. 59, no. 3, Aug. 1977, p. 419-426.

Astronomy and Astrophysics

Astrophysics

55

Compact Galaxies, Light Curve, Quasars, Astronomical Photometry, Extragalactic Radio Sources, Radio Galaxies, Variable Stars

Scientific paper

This paper is the first in a series reporting observations of the optical variability of Quasi Stellar Objects at Asiago Observatory. Data is presented for five objects in the field of 3 C 345, namely 3 C 345 itself, NRAO 512, 4 C 38.41, 4 C 39.46 and the compact galaxy Mark 501. Analysis of all the observations available from the literature shows periodicities in 3 C 345 and in NRAO 512.

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