#===================================================================================================
# Program 703
#===================================================================================================
# Set general constraints
# If those numbers are object dependent, set to None and compute in observability function
minangletomoon = 20
maxairmass = 1.5
# If there is a common exptime, otherwise define a get_exptime function below
exptime = None
#===================================================================================================
# Now define the exptime function, arguments must be : attributes and obs_time
#===================================================================================================
[docs]def get_exptime(attributes, obs_time): # Just to have some fun
flux = 10 ** (attributes['mv'] / -2.5)
return flux / 100.
#===================================================================================================
# Now define the observable function, arguments must be : obj and obs_time; should return 1 if
# observable, 0 otherwise
# Already checked in the observable class: angle to moon, wind, clouds, airmass
# So this gives the possibility to have more specific tests, like say the delta v with the moon
#===================================================================================================
[docs]def observability(attributes, obs_time):
msg = '' # This could contain messages that justify the impossibility to observe
warnings = '' # This contains warnings
return 1, msg, warnings