[Artist's Concept of AXAF-I] AXAF Project Science: Cr-K spot sizes

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Here are the images of Cr-K spot from the EIPS at XRCF. The overlay grid has a spacing of 500 microns (0.5 mm). The GIF images are only for part of the total FITS image. For the higher voltages there is some punch-through which shows up as enhanced background in a circle centered on the pinhole image. (The GIF images are entirely inside this circle.)

Integration time  = 300 sec
Filter            = 44 microns V
Magnification     = 3.59
Data taken        = 1996-05-30

VHRIFIT           = 1998-02-26
GAPFIL            = sumb.gap
VLEXTRCT          = 1998-02-26

Source Bias Beam Filament Fits data Thumbnail GIF
(kV) (V) (mA) (A)
0 0 0 0 FITS image *
0 0 0 0 FITS image *
12.0 60 1.80 5.74 FITS image *
12.0 210 0.53 5.82 FITS image *
12.0 240 0.30 5.84 FITS image *
18.0 90 1.24 5.66 FITS image *
18.0 225 1.30 5.85 FITS image *
18.0 315 1.08 6.00 FITS image *
18.0 360 0.50 6.00 FITS image *
24.0 120 0.90 5.60 FITS image *
24.0 300 0.89 5.76 FITS image *
24.0 420 0.89 5.93 FITS image *
24.0 480 0.55 6.00 FITS image *
0 0 0 0 FITS image *

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