CDBS FOS Page
Note: When accessing files, be aware of the different formats these files and tables are in (File Structures).
NOTE: There is a known bug with trying to access files via ftp server with the Safari browser. The recommended browser for retrieving the files is Firefox.
- FOS:
- YREF: Reference Files
- YTAB: Reference Tables
- MTAB: (Hstcomp and Hstgraph tables)
- Types of data:
- Background, Flat Field, Inverse Sensitivity
- Wave Retardation, Disabled Diode, Data Quality
- Point Spread Functions, Line Spread Functions
- Aperture Parameters, Aperture Position parameters
- Emission lines, Detector parameters
- Polarimetry Reduction, Sky Shift Parameters
- Wavelength Parameters, Scale Factors for GIMP
- Predicted Mean Background Count Rates (function of Geomag. Pos.)
- Scattered Light Correction Parameters
- OTA Focus History, Aperture Throughput Coefficients Versus Focus
- Aperture Throughput Coefficients Nominal Focus, Paired Pulse
- Correction Factors for Changes in Detector Sensitivity
FOS reference data consists of 9 reference file types and 15 table types. The information listed below gives a simple discription of each along with how each are named.
Reference File Type and Extensions
FOS reference files
===============
ASSOCIATED DATABASE
ROOT EXTENSION FILE_TYPE DATA QUALITY FILE RELATION
--------------------------------------------------------------------------
ROOTNAME.R0H FOS FILE and ROW
ROOTNAME.R0D BAC (BACKGROUND)
ROOTNAME.R1H
ROOTNAME.R1D FLT (FLAT FIELD)
ROOTNAME.R2H
ROOTNAME.R2D IVS (INVERSE SENSITIVITY)
ROOTNAME.R3H
ROOTNAME.R3D RET (WAVE RETARDATION)
ROOTNAME.R4H
ROOTNAME.R4D DDT (DISABLED DIODE)
ROOTNAME.R5H
ROOTNAME.R5D QIN (DQ INIT)
ROOTNAME.R6H
ROOTNAME.R6D POINT SPREAD FUNCTION
ROOTNAME.R7H
ROOTNAME.R7D LINE SPREAD FUNCTION
ROOTNAME.R8H
ROOTNAME.R8D AVERAGE INVERSE SENSITIVITY
----------------------------------------------------------------------------
FOS sdas Tables
===============
ROOTNAME.CY0 FOS APERTURE PARAMETERS
ROOTNAME.CY1 FOS APERTURE POSITION PARAMETERS
ROOTNAME.CY2 FOS EMISSION LINES
ROOTNAME.CY3 FOS DETECTOR PARAMETERS
ROOTNAME.CY4 FOS POLARIMETRY REDUCTION PARAMETERS
ROOTNAME.CY5 FOS SKY SHIFT PARAMETERS
ROOTNAME.CY6 FOS WAVELENGTH PARAMETERS
ROOTNAME.CY7 FOS SCALE FACTORS FOR GIMP
ROOTNAME.CY8 FOS PREDICTED MEAN BACKGROUND COUNT RATES
AS A FUNCTION OF GEOMAGNETIC POSITION.
ROOTNAME.CY9 FOS SCATTERED LIGHT CORRECTION PARAMETERS
ROOTNAME.CYA OTA FOCUS HISTORY
ROOTNAME.CYB APERTURE THROUGHPUT COEFFICIENTS AT NOMINAL
FOCUS
ROOTNAME.CYC APERTURE THROUGHPUT COEFFICIENTS
VERSUS FOCUS
ROOTNAME.CYD CORRECTION FACTORS FOR CHANGES IN DETECTOR
SENSITIVITY
ROOTNAME.CMG PAIRED PULSE PARAMETERS
--------------------------------------------------------------------------
For further information on the naming conventions, go to File Structures.
Pipeline Processing by CALFOS
Calibration Steps and Reference Files for the FOS Pipeline Processing
For further information, go to the FOS Home Page.