SOFI Calibrations Plans

European Southern Observatory
New Technology Telescope

This page lists when and how calibrations should be executed. A star indicates that the template is still being written.

Day Calibration	Frequency	Latest test	Template
Darks	Daily	...	`SOFI_ima_cal_Darks.obd`
Arcs	On Demand	...	`SOFI_spec_cal_Arcs.obd`
Dome Flats	On Demand	...	`SOFI_img_cal_Domeflats.obd`
Slit Alignment	Monthly	June 2002	`SOFI_spec_tec_AlignSlit.obd`
Grism Alignment	Monthly	June 2002	`SOFI_spec_tec_AlignGrism.obd`
Read-Out Noise	bimontlhy	June 2002	`SOFI_det_tec_RON.obd`
Instrument Focus	Quarterly	Nov. 2000	`SOFI_img_tec_InstrumentFocus_...`
Wollaston Allignment	Annually	Dec. 2001	`SOFI_spec_tec_AlignWollastonSequence.obd`
Bad Pixel Map	Annually	June 2002	`SOFI_img_cal_BadPixels.obd`*
Filter and Grism Offsets	Annually	Mar.1998	...
Gain	Monthly	Apr. 2002	`SOFI_det_tec_Gain.obd`
Linearity	Monthly	Jan. 2001	`SOFI_img_cal_Linearity.obd`

Night Calibration	Frequency	Latest test	Template
Imaging Standards	Monthly	Feb. 2002	`SOFI_img_cal_StandardStars.obd`
Focus Pyramid Calibration	Quarterly	Feb. 2001	`SOFI_spec_tec_FocusWedgeCalib...`
Rotator Alignment	Quaterly	Feb. 2001	...
Guideprobe Vignetting Limits	Annually	Mar.1998	...
Rotation Centre	Annually	Sep. 1999	...
Internal Reflections and ghosts	Annually	Mar. 1998	...
Image Quality	Annually	Aug. 2001	...
Distortion Map	Annually	Dec. 1998	...
Spectroscopic Sensitivity	Biannually	Dec. 2000	...
Extinction Co-efficients	Biannually	Mar. 2000	...
IA Trombone Offset	Biannually	Jan. 1998	...

Send comments to: NTT Webmasters <nttweb@www.ls.eso.org>
Last Update: January 4, 2002 (Leonardo Vanzi)