Detector and Command Reference

CCDs

This appendix describes the available CCD amplifiers, their naming conventions, and other related details.

G,R,I Channels

Figure 20: p-channel CCD layout

Figure 21: p-channel CCD amplifier naming

NGPS manual figure
NGPS manual figure

U Channel

CLI Commands

This section contains the recognized command line interface (CLI) commands.

[Not yet implemented. Incomplete list.]

move_to_target [ ra=hh:mm:ss.s dec=dd:mm:ss.s ]

Move to specified coordinates. Omit coordinates to move to the currently loaded database target. If coordinates are specified, then both are required.

expose

Triggers exposure and waits for completion

trigger_exposure

Triggers exposure and returns (no wait)

repeat_exposure

Repeat the last exposure

stop_exposure

Stops the exposure delay in progress (not the readout)

abort

Sends abort signal to all processes

sequence_start

Starts the sequencer list processing

calib_set cal=

configures the calibrator for the specified target where name is one of:

THAR, FEAR, THAR_UG, FEAR_UG, CONTR, CONTB, DOME, DOME_UG, BIAS, DARK

camera_init [ chan=,… ]

initialize connection to science cameras. default is all cameras. optionally specify one or more channels with comma-separated list. where is one of:

U, G, R, I

Examples:

camera_init chan=I

camera_init chan=U,G

camera_shutdown

shut down camera system

camera_set exptime= binspec= binspat=

configure science camera settings

slit_set width= offset=

set slit width and offset. offset is optional

focus_set =

is one of U, G, R, I

flexure_set

acam_init

acam_shutdown

acam_set acquire=

options include:

start

<ra,dec,angle>