03/000 Informal presentation on the optical spectroscopic program Oleg Titov Australian Government Geoscience Australia UTAS, Hobart, 5 June 2012.

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Presentation transcript:

03/000 Informal presentation on the optical spectroscopic program Oleg Titov Australian Government Geoscience Australia UTAS, Hobart, 5 June 2012

Telescopes BTA, 6-meter (Russia) NTT, 3.58-meter (Chile) Gemini South, 8.1-meter (Chile) Gemini North, 8.1-meter (Hawaii) NOT, 2.5-meter (La Palma)

Quasars Presumably, the radio sources observed with VLBI Radio strong quasars with large dropouts (g-r), (r-i), etc SuperCOSMOS, SDSS VLBI catalogues, FIRST, MASIV

Red shifts 5 reshifts at BTA ( ) 30 redshifts at NTT (August, 2010) 120+ redshifts at all 5 scopes in Visitor Mode (BTA, August, 2011; NTT, December, 2011; NOT, May, 2012) Service Mode (Gemini North, South)

Red shifts 0<z<1, 37 1<z<2, 52 2<z<3, 24 3<z<4, 4 Before the last run at NOT in May, 2012

“Radio-optics”  cos  =0.007 sec = 0”.105  = -0”.04 Possible lensing in radio?

Thank you! 04 June 2012