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MODULATION INDEX – GALACTIC LATITUDE RELATION. G. Tsarevsky ASTRO SPACE CENTER, Moscow. EXTRAGALACTIC SOURCES RADIO VARIABILITY. EXTRAGALACTIC SOURCES RADIO VARIABILITY. INTRINSIC?. EXTRAGALACTIC SOURCES RADIO VARIABILITY. INTRINSIC? EXTRINSIC?. QSO is an essentially variable stuff!.

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Modulation index galactic latitude relation

MODULATION INDEX – GALACTIC LATITUDE RELATION

G. Tsarevsky

ASTRO SPACE CENTER, Moscow









Blazar 1514+197 Green Bank Interferometer data

ISS is the variation over day to week, stronger at 2 GHz

Intrinsic variation is over month to year, stronger at 8 GHz.


H. D. Aller, M. F. Aller, Ph. A. Hughes, G. E. Latimer:University of Michigan Radio Observatory (UMRAO) Database 26-m dish; 4.8, 8.0, 14.5 GHz (including polarisation!), 25 yearshttp://www.astro.lsa.umich.edu/obs/radiotel/umrao.htmlE. B. Waltman et al., ApJS 77, 379, 1991:Green Bank Interferometer (GBI) Daily Observations Database2.25 and 8.3 GHz, 17 yearshttp://www.gb.nrao.edu/fgdocs/gbi/gbint.html


Iss geometry
ISS Geometry

From Radio Galaxy Quasar or AGN

2000

pc


Center anticenter poles m c m ac m poles
Center  Anticenter  Poles:↓<m>C><m>AC><m>Poles


What about m b plot behavior
What about m - |b| plot behavior?


ApJ 618,108-140, 2004Radio Variability of Radio Quiet and Radio Loud QuasarsRichard BarvainisJoseph Leh´arMark BirkinshawHeino FalkeKatherine M. Blundell


ApJ 618,108-140, 2004Radio Variability of Radio Quiet and Radio Loud QuasarsRichard BarvainisJoseph Leh´arMark BirkinshawHeino FalkeKatherine M. BlundellSubject headings: Quasars; Active Galaxies; Radio Emission



Some refs
Some refs:

N. Shapirovskaya, O.B. Slee, P. Hughes, & G. Tsarevsky

"Radio Source Variability as a Tool for Very High Resolution" In: Proc. IAU Symposium No. 158, Sydney, eds. J. Robertson & W. Tango, Kluwer Acad. Press, 1993, p. 201-203

N. Shapirovskaya, O.B. Slee, & G. Tsarevsky

"Galaxy Centre-Anticentre Asymmetry of the LFV Radio Source Distribution : Evidence of the Interstellar Matter Influence" In: Sub-arcsecond Radio Astronomy, eds.

R. Davies & R. Booth, CUP, 1993, p.94 - 95


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