Description:
This routine
finds the zenith sky optical depth appropriate for the filter in front of each sub-instrument being used.
If it cannot find an optical depth for the required filter the routine will output a warning message and
return an optical depth of 0.0.
The times and dates at which the optical depths were measured are also returned.
If the optical depth for the required filter cannot be found then the date will be that at
which the routine is run.
Invocation
CALL SCULIB_GET_TAUZ (N_SUBS, SUB_FILTER,
N_SKY, SKY_FILTER, SKY_TAUZ, SKY_DAY, SUB_TAUZ, SUB_DAY, STATUS)
Arguments
N_SUBS = INTEGER (Given)
number of sub-instruments
SUB_FILTER (N_SUBS) =
CHARACTER()
(Given)
names of filters in front of sub-instruments
N_SKY = INTEGER
(Given)
number of filters for which data is available
SKY_FILTER (N_SKY) =
CHARACTER()
(Given)
filters for which data is available
SKY_TAUZ (N_SKY) = REAL (Given)
tauz for each
possible filter
SKY_DAY (N_SKY) = DOUBLE PRECISION (Given)
the date and time of the tauz
measurement specified as day number since 1st Jan.
SUB_TAUZ (N_SUBS) = REAL (Returned)
tauz
appropriate to sub-instruments
SUB_DAY (N_SUBS) = DOUBLE PRECISION (Returned)
the date
and time of the tauz measurement
STATUS = INTEGER (Given and returned)
global status
Copyright
Copyright ©1995,1996,1997,1998,1999 Particle Physics and Astronomy Research Council.
All Rights Reserved.