phot error

santiago wrote on Feb 21, 2009

Hello, i'm trying to do photometry again and i went to a reinstall of my linux and now something is not working or it is misconfigured... i think that may be a coords input or output... or the display device... irafterm looks fine on plots and imexamine and ds9 works fine... but i juct can't get the phot to interact with me... this is the output... and some of my lpar phot.... Thanks

image = Input image(s)
coords = default Input coordinate list(s) (default: image.coo.?)
output = default Output photometry file(s) (default: image.mag.?)
skyfile = Input sky value file(s)
(plotfil= ) Output plot metacode file
(datapar= ) Data dependent parameters
(centerp= ) Centering parameters
(fitskyp= ) Sky fitting parameters
(photpar= ) Photometry parameters
(interac= yes) Interactive mode ?
(radplot= no) Plot the radial profiles?
(icomman= ) Image cursor: [x y wcs] key [cmd]
(gcomman= ) Graphics cursor: [x y wcs] key [cmd]
(wcsin = tv) The input coordinate system (logical,tv,physical
(wcsout = logical) The output coordinate system (logical,tv,physica
(cache = )_.cache) Cache the input image pixels in memory ?
(verify = )_.verify) Verify critical phot parameters ?
More

astutil> phot Fy080823.0076.fits
Input coordinate list(s) (default: image.coo.?) (default):
Output photometry file(s) (default: image.mag.?) (default): 23
Warning: Graphics overlay not available for display device.
ERROR: Cannot open file (Fy080823.0076.fits.coo.0)

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Mike Fitzpatrick wrote on Feb 21, 2009

The warning about graphics overlay is normal and nothing to worry about. Not being able to create the .coo file may be a result of reinstalling linux, e.g. you saved the user directories but in the new install the user-id was changed and so you no longer have write permission in the directory. Likewise, be sure the file doesn't already exist.

-Mike

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santiago wrote on Feb 21, 2009

i was stranged about the .coo file... i never needed for doing photometry in the past install... BUT... i read something about daofind creating those .coo files... and i epared daofind and ran it, and it created a .coo file... now phot runs OK, but what is the function of the daofind .coo file anyway? i'm running phot interactively... isn't it supposed to grab the coordinates that i input in DS9, and snap to the centroid and all that?

thanks,

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Last post on Feb 21, 2009