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SMARTS Optical/IR Observations
of LAT Monitored Blazars

3C 273 Finding Chart and Comparison Star Magnitudes

X/Y coordinates for Star 1 = (639, 600)
Optical Finding Chart

3C 273 Optical Finding Chart

Comparison Star Optical Magnitudes (taken from here)
Star B V R
1* 14.12 13.56 13.16
* = secondary standard
IR Finding Chart
3C 273 IR Finding Chart

Comparison Star IR Magnitudes (taken from 2MASS)
Star J H K
1 13.73 13.11 12.97
2* 12.37 12.12 12.06
* = secondary standard
ComparisonMagnitudes

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This page was last modified on 2 March 2009.