chandra_aca.transform.mag_to_count_rate

chandra_aca.transform.mag_to_count_rate(mag)

Convert ACA mag to count rate in e- / sec

Based on $CALDB/data/chandra/pcad/ccd_char/acapD1998-12-14ccdN0002.fits columns mag0=10.32 and cnt_rate_mag0=5263.0. To convert to raw telemetered counts (ADU), divide e- by the gain of 5.0 e-/ADU.

Parameters:

mag

star magnitude in ACA mag

Returns:

count rate (e-/sec)