A Model of the Quasi-stellar Radio Variable CTA 102

Details A Model of the Quasi-stellar Radio Variable CTA 102 A Model of the Quasi-stellar Radio Variable CTA 102

Aug 1965

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1965natur.207..738r&link_type=abstract

Nature, Volume 207, Issue 4998, pp. 738-740 (1965).

Computer Science

6

Scientific paper

ACCORDING to Sholomitsky1, the quasi-stellar2 radio source CTA 102 (ref. 3) has a variable flux density at 32.5 cm, the period being about 100 days. Sholomitsky takes this to mean that the source cannot be larger than ~ 0.1 parsec, which is the distance light travels in one period. Since its angular diameter is not less than about 0.01 sec4,5, he concludes that it must be closer than 2 Mpc, and is possibly inside our own Galaxy. However, Schmidt6 has recently announced that the optical object identified with CTA 102 has a red shift z = δλ/λ of 1.037, and so is probably at a distance comparable with the radius of the universe (~ 3,000 Mpc).

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