VLBI observations of a radio flare of Circinus X-1

Details VLBI observations of a radio flare of Circinus X-1 VLBI observations of a radio flare of Circinus X-1

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...268l..23p&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 268, May 1, 1983, p. L23-L26.

Astronomy and Astrophysics

Astronomy

22

Binary Stars, Flare Stars, Microwave Emission, Radio Sources (Astronomy), Very Long Base Interferometry, X Ray Sources, Angular Resolution, Gas Expansion, Radiant Flux Density, Stellar Mass Accretion, Variable Stars

Scientific paper

VLBI 2.3 GHz observations of a strong radio flare of the binary star system Circinus X-1 indicate a radio source flaring component angular size of 0.0015-0.015 arcsec. This is equivalent to a linear size of 15-150 AU at the 10 kpc distance of Circinus X-1, although interstellar medium scattering may have enlarged the apparent angular source size. Since the radio source quiescent component, observed prior to the flare, had an angular size greater than 0.2 arcsec (equivalent to more than 2000 AU at 10 kpc), the quiescent radio emission comes from a region much larger than that proposed in recent models for Circinus X-1. The quiescent component appears to be variable on a time scale of years, and is probably fueled by the Circinus X-1 binary system.

Affiliated with

Also associated with

No associations

Rating

VLBI observations of a radio flare of Circinus X-1 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 VLBI observations of a radio flare of Circinus X-1, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and VLBI observations of a radio flare of Circinus X-1 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1585612