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Description

Calibration Access and Data Handbook


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Description

It contains columns for CCDID, nodeID and reference pixel location. Their distance from the camera reference position in x,y and z are given in mm, while the rotation of each CCD is in radians. A second extension provides the description of the active field of view in the form of region expressions.

The CCF contains the following tables:

LINCORD :
Table with data driving coordinate conversion routines; all geometry-related data about the camera system are in the CCF; this CCF is not EPN-specific The table is used/accessed by:
Attributes:
MM_PX_X:
[mm] pixel size in X
MM_PX_Y:
[mm] pixel size in Y
MM_PX_LY:
[mm] Y-size of last pixel row
CC12_TX:
[mm] CAMCOORD1$->$2 translation in X
CC12_TY:
[mm] CAMCOORD1$->$2 translation in Y
CC12_TZ:
[mm] CAMCOORD1$->$2 translation in Z
R_CHIP_T:
[K] reference chip temperature
R_CAM_T:
[K] reference camera temperature
EXP_CHIP:
[1/K] therm. expansion coeff. for chip (Si)
EXP_CAM:
[1/K] therm. expansion coeff. for camera (Si)
CC2_TX:
[mm] CAMCOORD2 origin in SACCOORD - X
CC2_TY:
[mm] CAMCOORD2 origin in SACCOORD - Y
CC2_TZ:
[mm] CAMCOORD2 origin in SACCOORD - Z
CC2_RPH:
[deg] CAMCOORD2 orien. in SACCORD - PHI
CC2_RTH:
[deg] CAMCOORD2 orien. in SACCCORD - THETA
CC2_RPS:
[deg] CAMCOORD2 orien. in SACCCORD - PSI
ARC_MM_X:
[arcsec/mm] plate scale in X
ARC_MM_Y:
[arcsec/mm] plate scale in Y
MM_TX:
[mm] origin of telescope frame in SACCOORD - X
MM_TY:
[mm] origin of telescope frame in SACCOORD - Y
MM_TZ:
[mm] origin of telescope frame in SACCOORD - Z
Columns:
CCD_ID:
CCD number [1, 12]
NODE_ID:
node id [0, 1]; always 0 for EPN
X0:
X-coordinate of center of PIXCOORD1 pixel (RAWX0/RAWY0) in CAMCOORD1 system
Y0:
Y-coordinate of center of PIXCOORD1 pixel (RAWX0/RAWY0) in CAMCOORD1 system
Z0:
Z-coordinate of center of PIXCOORD1 pixel (RAWX0/RAWY0) in CAMCOORD1 system
DX0:
absolute uncertainty associated with X0 (currently unused)
DY0:
absolute uncertainty associated with X0 (currently unused)
DZ0:
absolute uncertainty associated with X0 (currently unused)
EULER_PHI:
first angle (in 3-1-3 Euler rotation sequence) to align PIXCOORD1 with CAMCOORD1 frame
EULER_THETA:
second angle (in 3-1-3 Euler rotation sequence) to align PIXCOORD1 with CAMCOORD1 frame
EULER_PSI:
third angle (in 3-1-3 Euler rotation sequence) to align PIXCOORD1 with CAMCOORD1 frame
D_EULER_PHI:
absolute uncertainty associated with EULER_PHI (currently unused)
D_EULER_THETA:
absolute uncertainty associated with EULER_THETA (currently unused)
D_EULER_PSI:
absolute uncertainty associated with EULER_PSI (currently unused)
RAWX0:
PIXCOORD1 X-coordinate of reference pixel whose coordinates are given in (X0,Y0,Z0)
RAWY0:
PIXCOORD1 Y-coordinate of reference pixel whose coordinates are given in (X0,Y0,Z0)
FOV
The table is used/accessed by: CAL_getFOVmap() Table with parameters defining the Field-Of-View
Attributes:
None.
Columns:
CCD_ID:
CCD number [1, 12]
REGION:
valid selectlib expression defining the FOV in the CHIPCOORD system


next up previous contents
Next: Generation from Ground Data Up: EPN_LINCORD Previous: EPN_LINCORD   Contents
Michael Smith 2011-09-20