Appendix A - Data Product Detailed Description
The tables below list various files released to the public. For descriptions of more complete pipeline data products, please refer to pipeline_files.txt.
Direct Imaging Data Products
As an example, the FITS headers for the GR4 data, MISWZS03_18853_0284 (eclipse 23828 data & its single-visit coadd data), are linked to all FITS filenames in the first columns (NUV FITS files are used when filenames contain "[f/n]" option).
Eclipse/visit data products
Top directory:
Filename | File Type | Detail |
FITS table |
Spacecraft state file: Most relevant spacecraft and instrument housekeeping values (e.g. ra_acs, roll_acs, etc.) as a function of time in one second intervals. |
|
FITS image |
Count map (J2000): photons per (1.5 arcsecond) pixel corrected for dither with attitude refinement. |
|
FITS image |
Exposure map (J2000): An image of the time (in seconds) spent observing within the GALEX field of view (no response correction). |
|
FITS image cube |
Time-slice count maps (J2000): Multiple images of the photons per pixel within selected segments of time in 16 second intervals. |
|
FITS image cube |
Premap movie file, created before artifact varpix masking. This is the one that will have all the artifacts still in it and is thus most like the GR2 and GR3 movies. |
|
FITS image |
Image of the masks of objects used in estimating the background; it is NOT a mask of all sources extracted by SExtractor. |
|
FITS image |
Intensity map (J2000): Photons per pixel per second corrected for the relative response. Note that "-int.fits" is equal to "-cnt.fits" divided by "-rrhr.fits". |
|
FITS image |
Sky background image (J2000): Photons per pixel per second estimate of the background. This background is subtracted from the intensity image which is then used for source detection. |
|
FITS image |
High resolution relative response (J2000): Effective exposure time per pixel upsampled from the -rr.fits image. |
|
FITS image |
Weight/threshold image (J2000): Used by SExtractor for thresholding sources. Pixels > 1 are above the detection threshold. This image is derived by dividing the background-subtracted intensity by a detection threshold image. |
|
FITS image |
Background subtracted intensity map (J2000): Intensity map image with the background removed (used for source detections). Note that "-intbgsub.fits" is equal to "-int.fits" minus "-skybg.fits". |
|
FITS table |
Raw spacecraft pointing data. Not used by the pipeline. |
|
FITS table |
Satellite attitude solution: Raw spacecraft pointing data using gryo rate data. |
|
FITS table |
Refined attitude solution: Spacecraft pointing solution after refinement using bright stars in GALEX field of view. |
|
FITS table |
SExtractor catalogs for images: Table of sources extracted by GALEX reduction pipeline. The table contains positions, flux, magnitude, and major and minor axes. |
|
(Detailed column descriptions: |
FITS table |
Merged source catalog: Band-merged table of extracted sources. Contains all sources contained in "[n/f]d-cat.fits" matched to the best candidate from the other band. Only sources with a S/N greater than 2 are matched. Sources without matches are also listed. For each source, the table contains a global identifier, merged position, calibrated fluxes and magnitudes, etc. All the data from the "[n/f]d-cat.fits" tables are contained in "-xd-mcat.fits" file, as well as fluxes from the "nd-fcat.fits" and "fd-ncat.fits" files. |
FITS table |
NUV extractions using FUV positions: A SExtractor catalog of source fluxes and magnitudes from the NUV image, but with source positions taken from the FUV source catalog "fd-cat.fits". |
|
FITS table |
FUV extractions using NUV positions: A SExtractor catalog of source fluxes and magnitudes from the FUV image, but with source positions taken from the NUV source catalog "nd-cat.fits". |
|
FITS image |
Artifact Flag image (J2000): Identifies predetermined regions which may be introduce systematic errors in data extraction. These artifact regions are caused primarily by reflections of known bright stars. |
|
FITS table |
Table of geometric (static) artifacts. | |
FITS table |
Star catalog for flagging: List of known bright stars used to determine artifact regions. |
|
FITS table |
Star catalog used for attitude refinement. |
|
FITS table |
This catalog includes all matches between -rtastar.fits catalog and -n-cat.fits files. |
|
FITS table |
The matches of our extractions to the bright stars used for artifact flagging. It is used only as a bright subset of stars with which to do plate solutions. |
|
FITS table |
Pixels masked by the varpix movie mask. Usually corresponds fairly well with the varpix flags. |
|
FITS table |
Varpix flag image. |
|
FITS image cube |
Movie of varpix masks. | |
FITS image |
Varpix image. An image showing the relative variability of the pixels over time, scaled roughly as an SNR. |
|
FITS table |
Image showing where hotspots have been masked. |
|
FITS table |
Same as above but generated during the premap step, whereas the one above is the official product generated during the map step. |
|
-[f/n]d-flag_dichroic.ds9reg |
ds9 Region file* |
Dichroic reflection flag regions: Reflections of stars off of the dichroic optical element. |
-[f/n]d-flag_rim.ds9reg |
ds9 Region file |
Rim flag regions: Identifies rim artifacts. |
-[f/n]d-flag_brtedge.ds9reg |
ds9 Region file |
Same as flag_edge except for only bright edge reflections. |
-nd-flag_edge.ds9reg |
ds9 Region file |
Edge flag regions: Identifies the edge of the detector. |
-nd-flag_window.ds9reg |
ds9 Region file |
Window reflection regions: Reflections of stars off of the optical window. |
-calinfo.txt |
ASCII text file |
Calibration parameter values including a directory listing of calibration directory files. |
-[f/n]d-gauss_*.txt |
ASCII text file |
The gaussian template used by SExtractor for matched filtering. |
-[f/n]d-objmask_out.txt |
ASCII text file |
Text output of the SExtractor run made to generate the object mask. |
-[f/n]d-sexcols.txt |
ASCII text file |
List of columns in the SExtactor output. |
-[f/n]d-sexcols_orig.txt |
ASCII text file |
Local copy of global SExtractor column list. |
-[f/n]d-sexnnw.txt |
ASCII text file |
SExtractor input to the (uncalibrated and largely useless) object type identification neural net. |
-[f/n]d-sexparams.txt |
ASCII text file |
List of parameter values used by SExtractor (source extractor). |
-[f/n]d-sexparams_orig.txt |
ASCII text file |
Local copy of the global, initial SExtractor parameter list. |
-status.txt |
ASCII text file |
Status of data. |
-summary.txt |
ASCII text file |
Summary of observational and data values for this eclipse. |
CmdLine.txt |
ASCII text file |
Command line parameter values. |
Out.txt |
ASCII text file |
Complete standard output from all pipeline programs. |
OrbPipe.log |
ASCII text file |
Significant output messages from individual visit pipeline. |
Filename | File Type | Detail |
-asp_stats.ps |
PostScript |
Aspect solution plots. |
-asp_stats.txt |
ASCII text file |
Aspect solution statistics. |
-aspraw_stats.ps | PostScript |
Aspect solution plots (with no rate corrections). |
-aspraw_stats.txt | ASCII text file |
Aspect solution statistics (with no rate corrections). |
-[f/n]d-cat.ds9reg | ds9 Region file |
Ellipses of sources listed in -[n or f]d-cat.fits. |
-[f/n]d-cat_mch_flagstar_stats.ps | PostScript |
Plots of match parameters between extractions and bright stars used for artifact flagging. |
-[f/n]d-cat_mch_flagstar_stats.txt | ASCII text file | Statistics for match parameters between extractions and bright stars used for artifact flagging. |
-nd-cat_mch_rtastar_stats.ps | PostScript |
Statistics for bright stars used for aspect solution. |
-nd-cat_mch_rtastar_stats.txt | ASCII text file |
Statistics for bright stars used for aspect solution. |
-[f/n]d-cat_stats.txt | ASCII text file |
SExtractor catalog statistics. |
-[f/n]d-flag_dichroic_eq.ds9reg | ds9 Region file |
Equatorial (as opposed to pixel) DS9 regions for the dichroic flags areas. |
-[f/n]d-flag_rim_eq.ds9reg | ds9 Region file |
Regions effected by a rim artifact. |
-[f/n]d-flagstar.ds9reg | ds9 Region file |
Regions of bright stars used to determine artifact regions. |
-[f/n]d-map_stats.txt | ASCII text file |
Mapping (image creation) statistics. |
-fd-ncat.ds9reg | ds9 Region file |
Ellipses of sources listed in the -fd-ncat.fits file. |
-fd-ncat_stats.txt | ASCII text file |
Statistics derived from the -fd-ncat.fits file. |
-nd-fcat.ds9reg | ds9 Region file |
Ellipses of sources listed in the -nd-fcat.fits file. |
-nd-fcat_stats.txt | ASCII text file |
Statistics derived from the -nd-fcat.fits file. |
-[f/n]d-psf_eq.fits | FITS image |
Composite PSF images in images oriented with the equatorial. (We no longer produce the ones that were in detector orientation.) |
-[f/n]d-psf_eq_stats.txt | ASCII text file |
Statistics generated (FWHMs etc.) when making the PSF FITS file. |
-nd-flag_brtedge_eq.ds9reg | ds9 Region file |
Equatorial (as opposed to pixel) DS9 regions for the brtedge flags areas. |
-nd-flag_edge_eq.ds9reg | ds9 Region file |
Regions affected by an edge artifact. |
-nd-flag_window_eq.ds9reg | ds9 Region file |
Regions affected by a window reflection. |
-rtastar.ds9reg | ds9 Region file |
Ellipses of bright stars from the file -rtastar.fits used in the attitude solution (aspect correction). |
-rtastar_used.ds9reg | ds9 Region file |
Ellipses of bright stars used. |
-sumstats.fits | FITS table |
A collection of statistics from various pipeline programs. |
-sumstats.txt | ASCII text file |
A collection of statistics from various pipeline programs. |
-xd-int_2color.jpg -xd-int_2color_large.jpg -xd-int_2color_medium.jpg -xd-int_2color_medium_annot.jpg -xd-int_2color_small.jpg -xd-int_2color_thumb.jpg |
JPEG image file |
Two color images of the whole field in various sizes with and without annotations of bright stars. NUV flux is yellow and FUV is blue. |
-xd-qa_tabmcat.ps | PostScript |
Plots of statistics derived from the -mcat.fits merged catalog file. |
-xd-qa_tabmcat_stats.txt | ASCII text file |
Statistics derived from the -mcat.fits merged catalog file. |
_asprefine-* |
various files | Products generated during the aspect static refinement (asprefine) step. |
Filename | File Type |
Detail |
-qa.txt | ASCII text file |
Same as the most recent version of the qafiles, "*-qa*.txt" files in qa/manual subdirectory. |
-qa_v00.txt | ASCII text file |
Auto generated QA data, includes PASS/FAIL and Coadd status. |
-qa_v##.txt | ASCII text file |
Manually generated QA data (## runs from 01 up to 99); highest number/version is the most recent qafile. |
-fd-flag_blob_eq.ds9reg -nd-flag_asteroid_eq.ds9reg -nd-flag_transit_eq.ds9reg -[f/n]d-flag_hotspot_eq.ds9reg -nd-flag_variable_eq.ds9reg -[f/n]d-flag_miscel_eq.ds9reg |
ds9 Region file |
Manually identified regions/positions effected by various artifacts such as asteroid, blob, hotspot, transit, variable source, and etc. |
Coadd data products
Top directory:
Filename | File Type | Detail |
FITS image |
Count map (J2000): photons per (1.5 arcsecond) pixel corrected for dither with attitude refinement. |
|
FITS image |
Relative response map (J2000): This is the relative sensitivity multiplied by the exposure time image (-exp.fits). |
|
FITS image |
Exposure map (J2000): An image of the time (in seconds) spent observing within the GALEX field of view (no response correction). | |
FITS image |
Image of the masks of objects used in estimating the background; it is NOT a mask of all sources extracted by SExtractor. |
|
FITS image |
Intensity map (J2000): Photons per pixel per second corrected for the relative response. Note that "-int.fits" is equal to "-cnt.fits" divided by "-rrhr.fits". |
|
FITS image |
Sky background image (J2000): Photons per pixel per second estimate of the background. This background is subtracted from the intensity image which is then used for source detection. |
|
FITS image |
High resolution relative response (J2000): Effective exposure time per pixel upsampled from the -rr.fits image. |
|
FITS image |
Weight/threshold image (J2000): Used by SExtractor for thresholding sources. Pixels > 1 are above the detection threshold. This image is derived by dividing the background-subtracted intensity by a detection threshold image. |
|
FITS image |
Background subtracted intensity map (J2000): Intensity map image with the background removed (used for source detections). Note that "-intbgsub.fits" is equal to "-int.fits" minus "-skybg.fits". |
|
FITS table |
SExtractor catalogs for images: Table of sources extracted by GALEX reduction pipeline. The table contains positions, flux, magnitude, and major and minor axes. |
|
(Detailed column descriptions: |
FITS table |
Merged source catalog: Band-merged table of extracted sources. Contains all sources contained in "[n/f]d-cat.fits" matched to the best candidate from the other band. Only sources with a S/N greater than 2 are matched. Sources without matches are also listed. For each source, the table contains a global identifier, merged position, calibrated fluxes and magnitudes, etc. All the data from the "[n/f]d-cat.fits" tables are contained in "-xd-mcat.fits" file, as well as fluxes from the "nd-fcat.fits" and "fd-ncat.fits" files. |
FITS table |
NUV extractions using FUV positions: A SExtractor catalog of source fluxes and magnitudes from the NUV image, but with source positions taken from the FUV source catalog "fd-cat.fits". |
|
FITS table |
FUV extractions using NUV positions: A SExtractor catalog of source fluxes and magnitudes from the FUV image, but with source positions taken from the NUV source catalog "nd-cat.fits". |
|
FITS image |
Artifact Flag image (J2000): Identifies predetermined regions which may be introduce systematic errors in data extraction. These artifact regions are caused primarily by reflections of known bright stars. |
|
FITS table |
Star catalog for flagging: List of known bright stars used to determine artifact regions. |
|
FITS table |
Star catalog used for attitude refinement. |
|
FITS table |
This catalog includes all matches between -rtastar.fits catalog and -n-cat.fits files. |
|
-[f/n]d-gauss_*.txt |
ASCII text file |
The gaussian template used by SExtractor for matched filtering. |
-[f/n]d-objmask_out.txt |
ASCII text file |
Text output of the SExtractor run made to generate the object mask. |
-[f/n]d-sexcols.txt |
ASCII text file |
List of columns in the SExtactor output. |
-[f/n]d-sexcols_orig.txt |
ASCII text file |
Local copy of global SExtractor column list. |
-[f/n]d-sexnnw.txt |
ASCII text file |
SExtractor input to the (uncalibrated and largely useless) object type identification neural net. |
-[f/n]d-sexparams.txt |
ASCII text file |
List of parameter values used by SExtractor (source extractor). |
-[f/n]d-sexparams_orig.txt |
ASCII text file |
Local copy of the global, initial SExtractor parameter list. |
CmdLine.txt |
ASCII text file |
Command line parameter values. |
Out.txt |
ASCII text file |
Complete standard output from all pipeline programs. |
TargPipe.log |
ASCII text file |
Significant output messages from coadding pipeline. |
Filename | File Type | Detail |
-[f/n]d-cat.ds9reg | ds9 Region file | Ellipses of sources listed in -[n or f]d-cat.fits. |
-[f/n]d-cat_stats.txt | ASCII text file | SExtractor catalog statistics. |
-fd-ncat.ds9reg | ds9 Region file | Ellipses of sources listed in the -fd-ncat.fits file. |
-fd-ncat_stats.txt | ASCII text file | Statistics derived from the -fd-ncat.fits file. |
-[f/n]d-psf_eq.fits | FITS image | Composite PSF images in images oriented with the equatorial. (We no longer produce the ones that were in detector orientation.) |
-[f/n]d-psf_eq_stats.txt | ASCII text file |
Statistics generated (FWHMs etc.) when making the PSF FITS file. |
-nd-cat_mch_rtastar_stats.ps | PostScript |
Statistics for bright stars used for aspect solution. |
-nd-cat_mch_rtastar_stats.txt | ASCII text file |
Statistics for bright stars used for aspect solution. |
-nd-fcat.ds9reg | ds9 Region file | Ellipses of sources listed in the -nd-fcat.fits file. |
-nd-fcat_stats.txt | ASCII text file | Statistics derived from the -nd-fcat.fits file. |
-sumstats.fits | FITS table | A collection of statistics from various pipeline programs. |
-sumstats.txt | ASCII text file | A collection of statistics from various pipeline programs. |
-xd-int_2color.jpg -xd-int_2color_large.jpg -xd-int_2color_medium.jpg -xd-int_2color_medium_annot.jpg -xd-int_2color_small.jpg -xd-int_2color_thumb.jpg |
JPEG image file | Two color images of the whole field in various sizes with and without annotations of bright stars. NUV flux is yellow and FUV is blue. |
-xd-qa_tabmcat.ps | PostScript |
Plots of statistics derived from the -mcat.fits merged catalog file. |
-xd-qa_tabmcat_stats.txt | ASCII text file |
Statistics derived from the -mcat.fits merged catalog file. |
Filename | File Type | Detail |
-qa.txt |
ASCII text file |
Same as the most recent version of the qafiles, "*-qa*.txt" files in qa/manual subdirectory. |
-qa_v00.txt |
ASCII text file |
Auto generated QA data, includes PASS/FAIL and Coadd status. |
-qa_v##.txt |
ASCII text file |
Manually generated QA data (## runs from 01 up to 99); highest number/version is the most recent qafile. |
-nd-flag_asteroid_eq.ds9reg -nd-flag_transit_eq.ds9reg -[f/n]d-flag_hotspot_eq.ds9reg -nd-flag_variable_eq.ds9reg -[f/n]d-flag_miscel_eq.ds9reg |
ds9 Region file |
Manually identified regions/positions effected by various artifacts such as asteroid, hotspot, transit, variable source, and etc. |
-visit_qatool_report.txt |
ASCII text file |
Information on the visits data used in making the coadd. |
Spectroscopy Data Products
As an example, the FITS headers for NGPDWS_00 (eclipse 5856; visit 100 data) are linked to all FITS filenames in the first columns (NUV FITS files are used when filenames contain "[f/n]" option).
Eclipse/visit data products
Top directory:
Filename | File Type | Detail |
-scst.fits | FITS table | Spacecraft state file: Most relevant spacecraft and instrument housekeeping values (e.g. ra_acs, roll_acs, etc.) as a function of time in one second intervals. |
-fg-cnt.fits.gz |
FITS image | Count map (J2000): photons per (1.5 arcsecond) pixel corrected for dither with attitude refinement. |
-fg-rr.fits -ng-rr.fits |
FITS image | Relative response map (J2000): This is the relative sensitivity multiplied by the exposure time image (-exp.fits). |
-fg-exp.fits -ng-exp.fits |
FITS image | Exposure map (J2000): An image of the time (in seconds) spent observing within the GALEX field of view (no response correction). |
-fg-movie.fits.gz -ng-movie.fits.gz |
FITS image cube | Time-slice count maps (J2000): Multiple images of the photons per pixel within selected segments of time in 16 second intervals. |
_premap-[f/n]d-movie.fits |
FITS image cube | Premap movie file, created before artifact varpix masking. This is the one that will have all the artifacts still in it and is thus most like the GR2 and GR3 movies. |
-fg-int.fits.gz -ng-int.fits.gz |
FITS image | Intensity map (J2000): Photons per pixel per second corrected for the relative response. Note that "-int.fits" is equal to "-cnt.fits" divided by "-rrhr.fits". |
-fg-skybg.fits.gz -ng-skybg.fits.gz |
FITS image | Sky background image (J2000): Photons per pixel per second estimate of the background. This background is subtracted from the intensity image which is then used for source detection. |
-fg-rrhr.fits.gz -ng-rrhr.fits.gz |
FITS image | High resolution relative response (J2000): Effective exposure time per pixel upsampled from the -rr.fits image. |
-fg-wt.fits.gz -ng-wt.fits.gz |
FITS image | Weight/threshold image (J2000): Used by SExtractor for thresholding sources. Pixels > 1 are above the detection threshold. This image is derived by dividing the background-subtracted intensity by a detection threshold image. |
-fg-intbgsub.fits.gz -ng-intbgsub.fits.gz |
FITS image | Background subtracted intensity map (J2000): Intensity map image with the background removed (used for source detections). Note that "-intbgsub.fits" is equal to "-int.fits" minus "-skybg.fits". |
-aspraw.fits | FITS table | Raw spacecraft pointing data. Not used by the pipeline. |
-asp.fits | FITS table | Satellite attitude solution: Raw spacecraft pointing data using gryo rate data. |
-asprta.fits | FITS table | Refined attitude solution: Spacecraft pointing solution after refinement using bright stars in GALEX field of view. |
-rtastar.fits | FITS table | Star catalog used for attitude refinement. |
-fg-pri.fits (-?g-pri_rtastar.fits) |
||
-fg-gsp.fits (-?g-gsp_rtastar.fits) |
||
-xg-gsp.fits (-xg-gsp_rtastar.fits)
(Detailed column descriptions: |
||
-fg-xsp.fits (-?g-xsp_rtastar.fits) |
||
-fg-gsax.fits (-?g-gsax_rtastar.fits) |
||
-fg-flag_varpix.fits.gz -ng-flag_varpix.fits.gz |
FITS table | Varpix flag image. |
-fg-varpix.fits.gz -ng-varpix.fits.gz |
FITS image | Varpix image. An image showing the relative variability of the pixels over time, scaled roughly as an SNR. |
-fg-flag_hotmask.fits.gz -ng-flag_hotmask.fits.gz |
FITS table | Image showing where hotspots have been masked. |
_premap-fg-flag_hotmask.fits.gz _premap-ng-flag_hotmask.fits.gz |
FITS table | Same as above but generated during the premap step, whereas the one above is the official product generated during the map step. |
-calinfo.txt | ASCII text file | Calibration parameter values including a directory listing of calibration directory files. |
-status.txt | ASCII text file | Status of data. |
-summary.txt | ASCII text file | Summary of observational and data values for this eclipse. |
Out.txt | ASCII text file | Complete standard output from all pipeline programs. |
CmdLine.txt | ASCII text file | Command line parameter values. |
OrbPipe.log | ASCII text file | Significant output messages from individual visit pipeline. |
Filename | File Type | Detail |
-asp_stats.ps | PostScript | Aspect solution plots. |
-asp_stats.txt | ASCII text file | Aspect solution statistics. |
-aspraw_stats.ps | PostScript | Aspect solution plots (with no rate corrections). |
-aspraw_stats.txt | ASCII text file | Aspect solution statistics (with no rate corrections). |
-ng-grspa_rms_00050.tbl (-ng-grspa_rms_00050_rtastar.tbl) |
||
-ng-grspa_rms_02000.tbl (-ng-grspa_rms_02000_rtastar.tbl) |
||
-ng-iterations.tbl (-ng-iterations_rtastar.tbl) |
||
-fg-map_stats.txt -ng-map_stats.txt |
ASCII text file | Mapping (image creation) statistics. |
-ng-offset_grid_qa.fits (-ng-offset_grid_qa_rtastar.fits) |
||
-ng-offset_grid_qa.jpg (-ng-offset_grid_qa_rtastar.jpg) |
||
-ng-PBS.fits (-ng-PBS_rtastar.fits) |
||
-ng-SBS.fits (-ng-SBS_rtastar.fits) |
||
-rtastar.ds9reg | ds9 Region file | Ellipses of bright stars from the file -rtastar.fits used in the attitude solution (aspect correction). |
-rtastar_used.ds9reg | ds9 Region file | Ellipses of bright stars used. |
-sumstats.fits (-sumstats_rtastar.fits) |
FITS table | A collection of statistics from various pipeline programs. |
-sumstats.txt (-sumstats_rtastar.txt) |
ASCII text file | A collection of statistics from various pipeline programs. |
-xg-int_2color.jpg -xg-int_2color_large.jpg -xg-int_2color_medium.jpg -xg-int_2color_medium_brt.jpg -xg-int_2color_medium_brt_annot.jpg -xg-int_2color_small.jpg -xg-int_2color_thumb.jpg |
JPEG image file | Two color images of the whole field in various sizes with and without annotations of bright stars. NUV flux is yellow and FUV is blue. |
-xg-offset_profile_qa.jpg (-xg-offset_profile_qa_rtastar.jpg) |
JPEG image file | |
-xg-offset_profile_qa_mp1.jpg (-xg-offset_profile_qa_rtastar_mp1.jpg) |
JPEG image file | |
-xg-offset_spectra_qa.ps (-xg-offset_spectra_qa_rtastar.ps) |
PostScript | |
-xg-qa_tabgsp.ps (-xg-qa_tabgsp_rtastar.ps) |
PostScript | |
-xg-qa_tabgsp_stats.txt (-xg-qa_tabgsp_rtastar_stats.txt) |
ASCII text file | |
-xg-qa_taboffset.ps (-xg-qa_taboffset_rtastar.ps) |
PostScript |
Filename | File Type | Detail |
-qa.txt | ASCII text file | Same as the most recent version of the qafiles, "*-qa*.txt" files in qa/manual subdirectory. |
-qa_v00.txt | ASCII text file | Auto generated QA data, includes PASS/FAIL and Coadd status. |
-qa_v##.txt | ASCII text file | Manually generated QA data (## runs from 01 up to 99); highest number/version is the most recent qafile. |
-fd-flag_blob_eq.ds9reg -nd-flag_asteroid_eq.ds9reg -nd-flag_transit_eq.ds9reg -[f/n]d-flag_hotspot_eq.ds9reg -nd-flag_variable_eq.ds9reg -[f/n]d-flag_miscel_eq.ds9reg |
ds9 Region file | Manually identified regions/positions effected by various artifacts such as asteroid, blob, hotspot, transit, variable source, and etc. |
Coadd data products
Top directory:
Filename | File Type | Detail |
-fg-cnt.fits.gz -ng-cnt.fits.gz |
FITS image | Count map (J2000): photons per (1.5 arcsecond) pixel corrected for dither with attitude refinement. |
-fg-rr.fits -ng-rr.fits |
FITS image | Relative response map (J2000): This is the relative sensitivity multiplied by the exposure time image (-exp.fits). |
-fg-exp.fits -ng-exp.fits |
FITS image | Exposure map (J2000): An image of the time (in seconds) spent observing within the GALEX field of view (no response correction). |
-fg-int.fits.gz -ng-int.fits.gz |
FITS image | Intensity map (J2000): Photons per pixel per second corrected for the relative response. Note that "-int.fits" is equal to "-cnt.fits" divided by "-rrhr.fits". |
-fg-skybg.fits.gz -ng-skybg.fits.gz |
FITS image | Sky background image (J2000): Photons per pixel per second estimate of the background. This background is subtracted from the intensity image which is then used for source detection. |
-fg-rrhr.fits.gz -ng-rrhr.fits.gz |
FITS image | High resolution relative response (J2000): Effective exposure time per pixel upsampled from the -rr.fits image. |
-fg-wt.fits.gz -ng-wt.fits.gz |
FITS image | Weight/threshold image (J2000): Used by SExtractor for thresholding sources. Pixels > 1 are above the detection threshold. This image is derived by dividing the background-subtracted intensity by a detection threshold image. |
-fg-intbgsub.fits.gz -ng-intbgsub.fits.gz |
FITS image | Background subtracted intensity map (J2000): Intensity map image with the background removed (used for source detections). Note that "-intbgsub.fits" is equal to "-int.fits" minus "-skybg.fits". |
-rtastar.fits | FITS table | Star catalog used for attitude refinement. |
-fg-prc.fits -ng-prc.fits |
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-fg-prm.fits -ng-prm.fits |
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-fg-gsp.fits -ng-gsp.fits |
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-xg-gsp.fits
(Detailed column descriptions: |
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-fg-xsp.fits -ng-xsp.fits |
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-fg-gsax.fits -ng-gsax.fits |
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CmdLine.txt | ASCII text file | Command line parameter values. |
Out.txt | ASCII text file | Complete standard output from all pipeline programs. |
TargPipe.log | ASCII text file | Significant output messages from coadding pipeline. |
Filename | File Type | Detail |
-sumstats.fits | FITS table | A collection of statistics from various pipeline programs. |
-sumstats.txt | ASCII text file | A collection of statistics from various pipeline programs. |
-xg-int_2color.jpg -xg-int_2color_large.jpg -xg-int_2color_medium.jpg -xg-int_2color_medium_brt.jpg -xg-int_2color_medium_brt_annot.jpg -xg-int_2color_small.jpg -xg-int_2color_thumb.jpg |
JPEG image file | Two color images of the whole field in various sizes with and without annotations of bright stars. NUV flux is yellow and FUV is blue. |
-xg-qa_tabgsp.jpg | ||
-xg-qa_tabgsp.ps | ||
-xg-qa_tabgsp_stats.txt |
Filename | File Type | Detail |
-qa.txt | ASCII text file | Same as the most recent version of the qafiles, "*-qa*.txt" files in qa/manual subdirectory. |
-qa_v00.txt | ASCII text file | Auto generated QA data, includes PASS/FAIL and Coadd status. |
-qa_v##.txt | ASCII text file | Manually generated QA data (## runs from 01 up to 99); highest number/version is the most recent qafile. |
-nd-flag_asteroid_eq.ds9reg -nd-flag_transit_eq.ds9reg -[f/n]d-flag_hotspot_eq.ds9reg -nd-flag_variable_eq.ds9reg -[f/n]d-flag_miscel_eq.ds9reg |
ds9 Region file | Manually identified regions/positions effected by various artifacts such as asteroid, hotspot, transit, variable source, and etc. |
-visit_qatool_report.txt | ASCII text file | Information on the visits data used in making the coadd. |
* A ds9 region file lists information on the locations/areas marked by the image viewing program "DS9".