question about aglc

Hi,

I have the following question:

-I'm using aglc to extract light curves doing:


a=aglc_read_events("evt2.fits","../secondary/stat1.fits");
aa=aglc(a,6.6,[9.1457,9.2052],[9.1917,9.2542],"meg",[-1,1]);
aglc_write_curve("lc.fits",a.fevt_1a,aa,"light curve");


why the first row of the time column is different than 0.0?, is it possible to have the number of seconds since 2450814.5?

Thanks
-Juan

########################################################
GERARDO JUAN MANUEL LUNA
Center for Astrophysics/Smithsonian Astrophysical Observatory
60 Garden st. MS 15
Cambridge-MA-USA
02138
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