CDBS GHRS 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.
- GHRS:
- Types of data:
- Diode Response, Photocathode Response, Vignetting
- Absolute Flux,Wavelength Net, Data Quality
- Line Mapping parameters, Sample Mapping parameters
- Detector parameters, Wavelength Ranges, etc.
GHRS reference data consists of 6 reference file types and 16 table types. The information listed below gives a simple discription of each along with how each are named. For further information on the naming conventions, go to File Structures.
HRS reference files
===============
ASSOCIATED DATABASE
ROOT EXTENSION FILE_TYPE DATA QUALITY FILE RELATION
--------------------------------------------------------------------------
ROOTNAME.R0H CZDIOR (R0H)
ROOTNAME.R0D DIO (DIODE RESPONSE)
ROOTNAME.R1H CZPHCR (R1H)
ROOTNAME.R1D PHC (CATHODE RESPONSE)
ROOTNAME.R2H CZVIGR (R2H)
ROOTNAME.R2D VIG (VIGNETTING)
ROOTNAME.R3H CZABSR (R3H)
ROOTNAME.R3D ABS (ABSOLUTE FLUX)
ROOTNAME.R4H CZNETR (R4H)
ROOTNAME.R4D NET (WAVELENGTH NET)
ROOTNAME.R5H CZQINR (R5H)
ROOTNAME.R5D QIN ( DQ INIT)
--------------------------------------------------------------------------
HRS sdas tables
===============
ROOTNAME.CZ1 HRS LINE MAPPING PARAMETERS CZCCR1R
ROOTNAME.CZ2 HRS SAMPLE MAPPING PARAMETERS CZCCR2R
ROOTNAME.CZ3 HRS DETECTOR PARAMETERS CZCCR3R
ROOTNAME.CZ4 HRS WAVELENGTH RANGES CZCCR4R
ROOTNAME.CZ5 HRS SPECTRAL ORDER CONSTANTS CZCCR5R
ROOTNAME.CZ6 HRS DISPERSION CONSTANTS CZCCR6R
ROOTNAME.CZ7 HRS THERMAL CONSTANTS CZCCR7R
ROOTNAME.CZ8 HRS INCIDENCE ANGLE CONSTANTS CZCCR8R
ROOTNAME.CZ9 HRS ECHELLE RIPPLE INTERPOLATION CONSTAN CZCCR9R
ROOTNAME.CZA HRS ECHELLE RIPPLE NON-INTERPOLATION CON CZCCRAR
ROOTNAME.CZB HRS SCALE FACTORS FOR SCATTERED CZCCRBR
LIGHT SUBTRACTION
ROOTNAME.CZC HRS GLOBAL WAVELENGTH COEFFICIENTS CZCCRCR
ROOTNAME.CZD HRS PHOTOCATHODE BLEMISH LOCATION TABLE CZCCRDR
ROOTNAME.CMG PAIRED PULSE PARAMETERS COCCG2R
ROOTNAME.CZY PT-NE LAMP LINE LIST, CORRECTED CZPTNELINEC
TO VAC. WAVELENGTHS
ROOTNAME.CZZ COEFFIENTS TO A FIT OF OFFSETS BETWEEN CZSCOFFC
APERTURES (SSA) AND (SC1;SC2)
Calibration Processing Flow Diagram
For further information, go to the GHRS Home Page.