400d cluster survey

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FINDING CHART FOR   cl 1020+3831 RA, Dec (J2000) = 10:20:45.3 +38:31:28

flux = ( 5.16 ± 0.65 ) ×10−13 erg/s/cm2
z = 0.0530
Lx = 3.32e+42 erg/s



ROSAT Field, X=453.5, Y=259.3
Model fit
DSS II red 24' × 24' image
CCD R-band image

NED objects within 5'
SDSS redshifts within 10'


DS9 display