Revision 6e10dae57ff8e0143ad0a92e8c64f3916ab10fc4 authored by Thomas Quinn on 09 July 2015, 21:52:00 UTC, committed by Tim Haines on 12 August 2016, 05:27:32 UTC
Change-Id: Ie7796c85492c4b817f0b453007e94d1240246cff
1 parent f0c0a07
physconst.h
/*
* Collection of physical constants.
*/
/* bolzman constant in cgs */
#define KBOLTZ 1.38e-16
/* mass of hydrogen atom in grams */
#define MHYDR 1.67e-24
/* solar mass in grams */
#define MSOLG 1.99e33
/* G in cgs */
#define GCGS 6.67e-8
/* kiloparsec in centimeters */
#define KPCCM 3.085678e21
/* Thompson cross-section (cm^2) */
#define SIGMAT 6.6524e-25
/* Speed of Light cm/s */
#define LIGHTSPEED 2.9979e10
#define SECONDSPERYEAR 31557600.
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