Detection Mosaic Product¶
Metadata¶
Data product name |
DpdMerDetectionMosaic |
Data product custodian |
MER |
Name of the Schema file |
|
Last Edited for DPDD Version |
2.0 |
Processing Element(s) creating/using the data product |
Creators:
Consumers:
|
Processing function using the data product |
MER |
Proposed for inclusion in EAS/SAS |
This product is proposed for inclusion in the SAS: yes. These products contain the image data that was used to perform object detection. It is useful to have them in the SAS in case scientists want to replicate the object detection procedure performed by MER. |
Data Product Elements¶
Header |
object of type sys:genericHeader |
Data |
object of type mer:merDetectionMosaic |
QualityFlags |
object of type dqc:sqfDpdMerMosaic |
Parameters |
object of type ppr:genericKeyValueParameters |
Detailed Description of the Data Product¶
Mosaic used to perform the object detection. It could be a VIS background-subtracted mosaic or a stack of the three NIR background-subtracted mosaics. This product is an output from the MER object detection Processing Element.
The main elements inside this product are:
FilterList: List of filters that were used produce to the detection mosaic (normally VIS or NIR filters).
WCS: The mosaic astrometric parameters (e.g., CTYPE1, CRVAL2, CRPIX1, CD1_1)
ZeroPoint: The photometric reference zero point to convert the image untis to AB-magnitudes.
ImgSpatialFootprint: The mosaic spatial footprint.
TileIndex: The MER tile index.
PatchIdList: The sky patch ids associated to the product.
ObservationIdList: List of unique IDs identifying the Euclid observations that were used to generate the product.
CalblockIdList: The calibration block ids associated to the product.
CalblockVariantList: The calibration block variants associated to the product.
ProcessingMode: The MER pipeline processing mode (e.g. WIDE, DEEP) used to generate the product.
ReferenceObservationDateTime: Reference observation date time for GAIA proper motion correction (only applicable to Euclid observations).
FirstObservationDateTime: Observation date time of the first Euclid observation used to generate the product.
LastObservationDateTime: Observation date time of the last Euclid observation used to generate the product.
DataStorage: Element that links to a FITS file containing the detection mosaic signal data set.
RmsStorage: Element that links to a FITS file containing the detection mosaic rms data set.
FlagStorage: Element that links to a FITS file containing the detection mosaic flag data set.
PsfModelStorage: Element that links to a FITS file containing the detection mosaic catalog PSF.
QualityParams: The detection mosaic image quality parameters.
Image FITS file¶
See the MER background-subtracted mosaic image FITS file documentation for more details.
PRIMARY extension header keywords:
HDU PRIMARY: header |
|||
|---|---|---|---|
Name |
Description |
Value |
|
Keywords |
AUTHOR |
Who ran the software (Swarp keyword) |
string |
BITPIX |
array data type |
integer |
|
CD1_1 |
Linear projection matrix |
double |
|
CD1_2 |
Linear projection matrix |
double |
|
CD2_1 |
Linear projection matrix |
double |
|
CD2_2 |
Linear projection matrix |
double |
|
CENTERT1 |
CENTER_TYPE config parameter (Swarp keyword) |
string |
|
CENTERT2 |
CENTER_TYPE config parameter (Swarp keyword) |
string |
|
COMBINET |
COMBINE_TYPE config parameter for SWarp (Swarp keyword) |
string |
|
CRPIX1 |
Reference pixel on this axis |
double |
|
CRPIX2 |
Reference pixel on this axis |
double |
|
CRVAL1 |
World coordinate on this axis |
double |
|
CRVAL2 |
World coordinate on this axis |
double |
|
CTYPE1 |
WCS projection type for this axis |
string |
|
CTYPE2 |
WCS projection type for this axis |
string |
|
CUNIT1 |
Axis unit |
string |
|
CUNIT2 |
Axis unit |
string |
|
DATASETR |
The pipeline data set release |
string |
|
DATE |
When it was started (GMT) (Swarp keyword) |
string |
|
EQUINOX |
Mean equinox |
double |
|
FILTER |
The filter name |
string |
|
MAGZERO |
AB zeropoint |
double |
|
NAXIS |
number of array dimensions |
integer |
|
NAXIS1 |
NUMBER OF ELEMENTS ALONG THIS AXIS |
integer |
|
NAXIS2 |
NUMBER OF ELEMENTS ALONG THIS AXIS |
integer |
|
ORIGIN |
Where it was done (Swarp keyword) |
string |
|
PIPDEFID |
The pipeline definition id |
string |
|
PPLANID |
The parent plan id |
string |
|
PPOID |
The pipeline processing order id |
string |
|
PSCALET1 |
PIXELSCALE_TYPE config parameter (Swarp keyword) |
string |
|
PSCALET2 |
PIXELSCALE_TYPE config parameter (Swarp keyword) |
string |
|
PSWNAME |
The pipeline software name |
string |
|
PSWREL |
The pipeline software release |
string |
|
RADESYS |
Astrometric system |
string |
|
RESAMPT1 |
RESAMPLING_TYPE config parameter (Swarp keyword) |
string |
|
RESAMPT2 |
RESAMPLING_TYPE config parameter (Swarp keyword) |
string |
|
SIMPLE |
conforms to FITS standard |
logical |
|
SOFTAUTH |
Maintainer of the software (Swarp keyword) |
string |
|
SOFTDATE |
Release date of the software (Swarp keyword) |
string |
|
SOFTINST |
Institute (Swarp keyword) |
string |
|
SOFTNAME |
The software that processed those data (Swarp keyword) |
string |
|
SOFTVERS |
Version of the software (Swarp keyword) |
string |
|
RMS FITS file¶
See the MER background-subtracted mosaic rms FITS file documentation for more details.
PRIMARY extension header keywords:
HDU PRIMARY: header |
|||
|---|---|---|---|
Name |
Description |
Value |
|
Keywords |
AUTHOR |
Who ran the software (Swarp keyword) |
string |
BITPIX |
array data type |
integer |
|
CD1_1 |
Linear projection matrix |
double |
|
CD1_2 |
Linear projection matrix |
double |
|
CD2_1 |
Linear projection matrix |
double |
|
CD2_2 |
Linear projection matrix |
double |
|
CENTERT1 |
CENTER_TYPE config parameter (Swarp keyword) |
string |
|
CENTERT2 |
CENTER_TYPE config parameter (Swarp keyword) |
string |
|
COMBINET |
COMBINE_TYPE config parameter for SWarp (Swarp keyword) |
string |
|
CRPIX1 |
Reference pixel on this axis |
double |
|
CRPIX2 |
Reference pixel on this axis |
double |
|
CRVAL1 |
World coordinate on this axis |
double |
|
CRVAL2 |
World coordinate on this axis |
double |
|
CTYPE1 |
WCS projection type for this axis |
string |
|
CTYPE2 |
WCS projection type for this axis |
string |
|
CUNIT1 |
Axis unit |
string |
|
CUNIT2 |
Axis unit |
string |
|
DATASETR |
The pipeline data set release |
string |
|
DATE |
When it was started (GMT) (Swarp keyword) |
string |
|
EQUINOX |
Mean equinox |
double |
|
FILTER |
The filter name |
string |
|
MAGZERO |
AB zeropoint |
double |
|
NAXIS |
number of array dimensions |
integer |
|
NAXIS1 |
NUMBER OF ELEMENTS ALONG THIS AXIS |
integer |
|
NAXIS2 |
NUMBER OF ELEMENTS ALONG THIS AXIS |
integer |
|
ORIGIN |
Where it was done (Swarp keyword) |
string |
|
PIPDEFID |
The pipeline definition id |
string |
|
PPLANID |
The parent plan id |
string |
|
PPOID |
The pipeline processing order id |
string |
|
PSCALET1 |
PIXELSCALE_TYPE config parameter (Swarp keyword) |
string |
|
PSCALET2 |
PIXELSCALE_TYPE config parameter (Swarp keyword) |
string |
|
PSWNAME |
The pipeline software name |
string |
|
PSWREL |
The pipeline software release |
string |
|
RADESYS |
Astrometric system |
string |
|
RESAMPT1 |
RESAMPLING_TYPE config parameter (Swarp keyword) |
string |
|
RESAMPT2 |
RESAMPLING_TYPE config parameter (Swarp keyword) |
string |
|
SIMPLE |
conforms to FITS standard |
logical |
|
SOFTAUTH |
Maintainer of the software (Swarp keyword) |
string |
|
SOFTDATE |
Release date of the software (Swarp keyword) |
string |
|
SOFTINST |
Institute (Swarp keyword) |
string |
|
SOFTNAME |
The software that processed those data (Swarp keyword) |
string |
|
SOFTVERS |
Version of the software (Swarp keyword) |
string |
|
Flag FITS file¶
See the MER background-subtracted mosaic flag FITS file documentation for more details.
PRIMARY extension header keywords:
HDU PRIMARY: header |
|||
|---|---|---|---|
Name |
Description |
Value |
|
Keywords |
AUTHOR |
Who ran the software (Swarp keyword) |
string |
BITPIX |
array data type |
integer |
|
CD1_1 |
Linear projection matrix |
double |
|
CD1_2 |
Linear projection matrix |
double |
|
CD2_1 |
Linear projection matrix |
double |
|
CD2_2 |
Linear projection matrix |
double |
|
CENTERT1 |
CENTER_TYPE config parameter (Swarp keyword) |
string |
|
CENTERT2 |
CENTER_TYPE config parameter (Swarp keyword) |
string |
|
COMBINET |
COMBINE_TYPE config parameter for SWarp (Swarp keyword) |
string |
|
CRPIX1 |
Reference pixel on this axis |
double |
|
CRPIX2 |
Reference pixel on this axis |
double |
|
CRVAL1 |
World coordinate on this axis |
double |
|
CRVAL2 |
World coordinate on this axis |
double |
|
CTYPE1 |
WCS projection type for this axis |
string |
|
CTYPE2 |
WCS projection type for this axis |
string |
|
CUNIT1 |
Axis unit |
string |
|
CUNIT2 |
Axis unit |
string |
|
DATASETR |
The pipeline data set release |
string |
|
DATE |
When it was started (GMT) (Swarp keyword) |
string |
|
EQUINOX |
Mean equinox |
double |
|
EXTEND |
This file may contain FITS extensions |
logical |
|
FILTER |
The filter name |
string |
|
NAXIS |
number of array dimensions |
integer |
|
NAXIS1 |
NUMBER OF ELEMENTS ALONG THIS AXIS |
integer |
|
NAXIS2 |
NUMBER OF ELEMENTS ALONG THIS AXIS |
integer |
|
ORIGIN |
Where it was done (Swarp keyword) |
string |
|
PIPDEFID |
The pipeline definition id |
string |
|
PPLANID |
The parent plan id |
string |
|
PPOID |
The pipeline processing order id |
string |
|
PSCALET1 |
PIXELSCALE_TYPE config parameter (Swarp keyword) |
string |
|
PSCALET2 |
PIXELSCALE_TYPE config parameter (Swarp keyword) |
string |
|
PSWNAME |
The pipeline software name |
string |
|
PSWREL |
The pipeline software release |
string |
|
RADESYS |
Astrometric system |
string |
|
RESAMPT1 |
RESAMPLING_TYPE config parameter (Swarp keyword) |
string |
|
RESAMPT2 |
RESAMPLING_TYPE config parameter (Swarp keyword) |
string |
|
SIMPLE |
conforms to FITS standard |
logical |
|
SOFTAUTH |
Maintainer of the software (Swarp keyword) |
string |
|
SOFTDATE |
Release date of the software (Swarp keyword) |
string |
|
SOFTINST |
Institute (Swarp keyword) |
string |
|
SOFTNAME |
The software that processed those data (Swarp keyword) |
string |
|
SOFTVERS |
Version of the software (Swarp keyword) |
string |
|
PSF FITS file¶
See the MER background-subtracted mosaic PSF FITS file documentation for more details.
PRIMARY extension header keywords:
HDU PRIMARY: header |
|||
|---|---|---|---|
Name |
Description |
Value |
|
Keywords |
BITPIX |
array data type |
integer |
EXTEND |
logical |
||
NAXIS |
number of array dimensions |
integer |
|
SIMPLE |
conforms to FITS standard |
logical |
|
PSF image extension header keywords:
Stamps information table columns:
Catalog: 3 columns table |
|||
|---|---|---|---|
Name |
Description |
Unit |
Format |
x |
x pixel position of the PSF stamp center on the PSF Image extension |
pix |
FITS D |
y |
y pixel position of the PSF stamp center on the PSF Image extension |
pix |
FITS D |
FWHM |
The PSF stamp gaussian fit FWHM value |
arcsec |
FITS D |
Image quality parameters¶
The following list of quality parameters is calculated for each MER detection mosaic image. Their values can be used to select an specific subset of detection mosaics, to study global trends, or to detect potencial problems in the MER pipeline or its input products.
Quality parameter |
Descriptiom |
|---|---|
Mean |
Average image level (mean of all image pixel values) |
Median |
Median image level (estimated median of all image pixel values) |
StDev |
Sample standard deviation of the image pixel values |
Min |
Minimum image pixel value |
Max |
Maximum image pixel value |
MaskedPixelFraction |
The fraction of masked pixels |
CoverageFraction |
The fraction of the image covered with data |