Aperture Photometry Tool, v. 2.7.3, Available Now!

Aperture Photometry Tool, v. 2.7.3, is now available:

http://www.aperturephotometry.org/aptool/download/

There are enhancements and bug fixes in this release.

Modified the ReadFitsFile class to more generally handle the parsing of multi-extension FITS files that include admixtures of IMAGE and TABLE header-data units (HDUs). Modified the HDU class to add XTENSION and ZTENSION as attributes. Added error checking for the case where a FITS file has no image HDUs.

Increased the default Java heap-space size allocated for APT start up from 1024 to 2048 megabytes, so that APT can load images as large as 10Kx10K pixels.

Completely overhauled the Pick/Zap Tool, in order to dramatically improved its responsiveness. Changed the default pick color from blue to cyan to differentiate it from the default blank color.

Sorted out a bug that prevented the photometry-file table header from being written when individual photometry records are saved. Thanks to Roc Cutri for apprising me of this problem.

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