400d cluster survey

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FINDING CHART FOR   cl 1222+2709 RA, Dec (J2000) = 12:22:01.9 +27:09:19

flux = ( 1.87 ± 0.39 ) ×10−13 erg/s/cm2
z = 0.4720
Lx = 1.27e+44 erg/s



ROSAT Field, X=250.5, Y=367.5
Model fit
DSS II red 24' × 24' image
CCD R-band image

NED objects within 5'
SDSS redshifts within 10'


DS9 display