It’s a blazar!. It’s a quasar!. My eye!. I’m an AGN!. An All-Sky Survey for Candidate Gamma-Ray Blazars. Steve Healey GLAST Science Lunch 24 February 2005. Note: Figure is not to scale. Basic Premise of the Survey. EGRET blazars. Figure of merit.
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It’s a quasar!
I’m an AGN!
An All-Sky Survey forCandidate Gamma-Ray Blazars
Steve HealeyGLAST Science Lunch24 February 2005
Note: Figure is not to scale.
Figure of merit
Evaluate radio/X-ray sources in EGRET contour
Optical spectroscopy:ID and redshift
8.4 GHz measurement
Calculate figure of merit
FoM depends on:
J1347+1835Magnitude: 19.5Type ID: FSRQz = 2.17
HET LRS spectrumTaken 11 Jan 2005
Solid line: CGRaBS; Dashed line: 3EG blazars
Green: Predicted FoM > 0.04Blue: FoM > 0.04Red: IDed/redshift found