Heliocentric Julian Date

Posted by John DeMoor on Dec 01, 2016; 4:15pm
URL: http://astroimagej.170.s1.nabble.com/Heliocentric-Julian-Date-tp547.html

Dr. Collins,
Our research group might have detected a bug in the software pertaining to the output of measurements when performing multi-aperture photometry.  We noticed that the column for heliocentric Julian date read NaN when we tried to process data, despite the keyword and a value being present the header of the .fits file.  We discovered that this problem can be fixed by editing the list of keywords in the aperture settings menu, specifically by deleting the first several words so that HJD_UTC was listed first.  We thought it would be beneficial to inform you of this problem and let others know how it could be remedied.  
Thank you.