diff options
Diffstat (limited to 'noao/nproto/ace/catdef.desc')
| -rw-r--r-- | noao/nproto/ace/catdef.desc | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/noao/nproto/ace/catdef.desc b/noao/nproto/ace/catdef.desc new file mode 100644 index 00000000..2c1a989c --- /dev/null +++ b/noao/nproto/ace/catdef.desc @@ -0,0 +1,73 @@ +# This describes the currently available catalog definition entries +# available and the format. + +# Comments begining with '#' are ignored. +# Order of lines determines order in catalog. +# Case is ignored though labels in catalog will be as given in file. + +ACE_NAME [OPTIONAL USER NAME FOR CATALOG] + +# There are a few functions currently available. + +MAG(ACE_NAME) +APFLUX(radius_in_pixels) +MAG(APFLUX(radius_in_pixels)) + + +# Basic quantities. +NUM Object number +PNUM Parent number (0 if original detection) +NPIX Number of pixels +NDETECT Number of detected pixels (before growing) +FLAGS Flags (currently on M for multiple object) + +# Fluxes +FLUX Isophotal flux +FRACFLUX Apportioned flux (TOTMAG) +APFLUX(radius) Aperture fluxes (radius in pixels) +SKY Mean sky +PEAK Peak pixel value above sky +ISIGAVG Average (I - sky) / sig +ISIGMAX Maximum (I - sky) / sig + +# Positions +WX X world coordinate (requires WCS in header) +WY Y world coordinate (requires WCS in header) +X1 X centroid (pixels) +Y1 Y centroid (pixels) +XAP X aperture coordinate (centroid initially then not changed) +YAP Y aperture coordinate (centroid initially then not changed) +XMIN Minimum X (pixels) +XMAX Maxium X (pixels) +YMIN Minimum Y (pixels) +YMAX Maxium Y (pixels) + +# Miscellaneous +SIG Mean sky sigma +FRAC Apportioned fraction + +X2 X 2nd moment (pixels) +Y2 Y 2nd moment (pixels) +XY X 2nd cross moment (pixels) + +# Derived quantities. +A Semimajor axis +B Semiminor axis +THETA Position angle (degrees) +ELONG Elongation = A/B +ELLIP Ellipticity = 1 - B/A +R Second moment radius (pixels) +CXX Second moment ellipse (pixels) +CYY Second moment ellipse (pixels) +CXY Second moment ellipse (pixels) + +# Error estimates. +FLUXERR Error in flux +XERR Error in X centroid (pixels) +YERR Error in Y centroid (pixels) +AERR Error in A +BERR Error in B +THETAERR Error in THETA (degrees) +CXXERR Error in CXX (pixels) +CYYERR Error in CYY (pixels) +CXYERR Error in CXY (pixels) |