Troubleshooting guide

Appendix 3: XBOX Default Parameter List for Instrument at PA = 0 degrees
PACKAGE = ucsclris
TASK = xbox
image = target.0001 image
input = box1 input file (box locations)
(stars = ) file of star centroids, using 'a' key in imexam
(nxbox = 50 ) nx of extraction box
(nybox = 50 ) ny of extraction box
(xsz = 30. ) x box length (pixels @ .15mm/pix)
(ysz = 30. ) y box height (pixels @ .15mm/pix)
(fwhm = 4. ) star FWHM in x (pixels @ .21''/pix)
tel = 2m Telescope - 2m,4m,MMT or GemS
(rotdir = -1 ) Enter rotator direction (1,-1)
rot_2m = 0. Enter 2m rotation offset
xrot_2m = 1162. Enter 2m center of rotation x
yrot_2m = -1868. Enter 2m center of rotation y
invert2m = no Enter if 2m field is flipped (yes/no)
rot_4m = -90. Enter 4m rotation offset
xrot_4m = 1162. Enter 4m center of rotation x
yrot_4m = -1868. Enter 4m center of rotation y
invert4m = yes Enter if 4m field is flipped (yes/no)
MMT_rot = 90. Enter MMT rotation offset
MMT_xrot = 1024. Enter MMT center of rotation x
MMT_yrot = 1000. Enter MMT center of rotation y
MMT_inve = yes Enter if MMT field is flipped (yes/no)
GemS_rot = 0. Enter Gemini South rotation offset
GemS_xro = 1009. Enter Gemini South center of rotation x
GemS_yro = 989. Enter Gemini South center of rotation y
GemS_inv = no Enter if Gemini South field is flipped (yes/no)
(xoff = 0. ) add'n. x shift to apply (pix)
(yoff = 0. ) add'n. y shift to apply (pix)
(def_ref = 0.2 ) default error estimate
(def_err = 0.2 ) default error estimate
(niter = 6 ) number of iterations in fit
(box_siz = 0.5 ) box half-len (usually acceptable resid)
new_x_fw = 4. [Enter new x FWHM]
new_y_fw = 4. [Enter new y FWHM]
vmag = 100. [magnification factor]
wt = 1. [weight]
(coord = ) graphics cursor input
(mode = ql )
FLAMINGOS@2.1-m, Ver. 2.39, 2011 May 13 Page 44 of 46