next up previous contents index
Next: Burst Follow-up Parameters Up: astrod.conf Previous: Exposure Parameters   Contents   Index


Sky Patrol Parameters

This section puts limits on the sky patrol:

# -sky patrol scheduling parameters

long_names           1                          # 0/1: Use long names for the sky patrol

field_of_view        1.9                        # field of view (in deg.)

min_overlap          0.1                        # min. overlap of generated fields 

ra_lim               0.0,24.0                   # ra lim (in dec. hrs) for sky patrol

dec_lim              -1.5,1.5                   # dec lim(in dec. deg) for sky patrol

glat_cut             30.0                       # galactic latitude cut (deg.)

ndarks               6                          # num. darks of each length for a dark run

foc_lim              3.04,3.50                  # Limits for focus run

foc_step             0.02                       # Stepsize for focus run

focstandby           3.25                       # standby focus position

The sky patrol grid is created by an algorithm that tiles the whole sky with the given field of view (in degrees) and minimum overlap (in degrees) between fields. After the entire sky is gridded, the sky patrol list is cropped according to the RA limits and Dec limits specified. Finally, the list is cropped again to remove low galactic latitude fields below glat_cut. There can only be one sky patrol list of fields specified. It is strongly recommended to keep the sky patrol region small enough that the same fields are imaged every night for at least a month. With no constraints, the scheduler will only image the lowest airmass fields, which change from night to night.

The paramter ndarks specifies the number of darks of each length taken in a dark run. The focus limits and focus step describe the focus settings used in a focus run. The focus limits used depend on the configuration of the system and the temperature range expected during the night. For more information please see the focus how-to documentation. Finally, the focus standby position is the default focus position when the mount is in standby mode. This should be close to the median focus position for faster gamma-ray burst alert responses.


next up previous contents index
Next: Burst Follow-up Parameters Up: astrod.conf Previous: Exposure Parameters   Contents   Index
Rotse Pager 2003-05-20