=========== rvmod_coadd =========== :Summary: This is the file containing the best fit models to spectra from rvspecfit :Naming Convention: ``rvmod_coadd-sv3-bright-10016.fits`` for a sv3 survey, bright program and healpixel 10016 :File Type: FITS, 551 KB *This section gives the type of the file and its approximate size.* Contents ======== ====== ============ ======== =================== Number EXTNAME Type Contents ====== ============ ======== =================== HDU0_ IMAGE Empty HDU HDU1_ B_WAVELENGTH IMAGE Wavelength array of b-channel spectra HDU2_ B_MODEL IMAGE Flux array of best-fit model b-channel spectra HDU3_ R_WAVELENGTH IMAGE Wavelength array of r-channel spectra HDU4_ R_MODEL IMAGE Flux array of best-fit model r-channel spectra HDU5_ Z_WAVELENGTH IMAGE Wavelength array of z-channel spectra HDU6_ Z_MODEL IMAGE Flux array of best-fit model z-channel spectra HDU7_ FIBERMAP BINTABLE Information about objects inherited from targeting ====== ============ ======== =================== FITS Header Units ================= HDU0 ---- Empty Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ===================================================================== ==== ============================================== KEY Example Value Type Comment ======== ===================================================================== ==== ============================================== TMPLCON0 desi_b str Spec arm config name TMPLREV0 v211202 str Spec template revision TMPLSVR0 0.1.0.210117+devfee7ee str Spec template soft version TMPLCON1 desi_r str Spec arm config name TMPLREV1 v211202 str Spec template revision TMPLSVR1 0.1.0.210117+devfee7ee str Spec template soft version TMPLCON2 desi_z str Spec arm config name TMPLREV2 v211202 str Spec template revision TMPLSVR2 0.1.0.210117+devfee7ee str Spec template soft version RVS_CONF /global/cfs/cdirs/desi/science/mws/scripts/configs/config_211202.yaml str SPGRP healpix str SPGRPVAL 10016 int HPXPIXEL 10016 int HPXNSIDE 64 int HPXNEST True str CHECKSUM 9HDaDFDY9FDaAFDW str HDU checksum updated 2022-03-13T17:03:18 DATASUM 0 str data unit checksum updated 2022-03-13T17:03:18 ======== ===================================================================== ==== ============================================== Empty HDU. HDU1 ---- EXTNAME = B_WAVELENGTH The wavelength vector for the spectra Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 2751 int CHECKSUM fCA2iB32fBA2fB32 str HDU checksum updated 2022-03-13T17:03:18 DATASUM 979185614 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Data: FITS image [float64, 2751] HDU2 ---- EXTNAME = B_MODEL The best fit model in the B arm of the instrument. This HDU contains as many rows as many there are rows in the rvtab table. They also match one-to-one in terms of order. Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 2751 int NAXIS2 7 int CHECKSUM DTaaDRUTDRZYDRZY str HDU checksum updated 2022-03-13T17:03:18 DATASUM 2579859831 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Data: FITS image [float64, 2751x7] HDU3 ---- EXTNAME = R_WAVELENGTH The wavelength vector for the R arm of the instrument Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 2326 int CHECKSUM fLCriLCofLCofLCo str HDU checksum updated 2022-03-13T17:03:18 DATASUM 456732359 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Data: FITS image [float64, 2326] HDU4 ---- EXTNAME = R_MODEL The best fit model in the R arm of the instrument. This HDU contains as many rows as many there are rows in the rvtab table. They also match one-to-one in terms of order. Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 2326 int NAXIS2 7 int CHECKSUM 3DbXABZW3BbWABZW str HDU checksum updated 2022-03-13T17:03:18 DATASUM 3703740820 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Data: FITS image [float64, 2326x7] HDU5 ---- EXTNAME = Z_WAVELENGTH The wavelength vector of the Z arm of the instrument Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 2881 int CHECKSUM QiJBSZGAQfGAQZGA str HDU checksum updated 2022-03-13T17:03:18 DATASUM 3106662670 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Data: FITS image [float64, 2881] HDU6 ---- EXTNAME = Z_MODEL The best fit model in the Z arm of the instrument. This HDU contains as many rows as many there are rows in the rvtab table. They also match one-to-one in terms of order. Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 2881 int NAXIS2 7 int CHECKSUM daGBfY99daGAdY97 str HDU checksum updated 2022-03-13T17:03:18 DATASUM 1748435426 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Data: FITS image [float64, 2881x7] HDU7 ---- EXTNAME = FIBERMAP The FIBERMAP targeting table for the objects. The same and in the same order as in RVTAB Required Header Keywords ~~~~~~~~~~~~~~~~~~~~~~~~ .. collapse:: Required Header Keywords Table .. rst-class:: keywords ======== ================ ==== ============================================== KEY Example Value Type Comment ======== ================ ==== ============================================== NAXIS1 341 int length of dimension 1 NAXIS2 7 int length of dimension 2 CHECKSUM eMIggKIfeKIfeKIf str HDU checksum updated 2022-03-13T17:03:18 DATASUM 19021304 str data unit checksum updated 2022-03-13T17:03:18 ======== ================ ==== ============================================== Required Data Table Columns ~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. rst-class:: columns ========================== ======= ============ =============================================================================================================================== Name Type Units Description ========================== ======= ============ =============================================================================================================================== TARGETID int64 Unique DESI target ID COADD_FIBERSTATUS int32 bitwise-AND of input FIBERSTATUS TARGET_RA float64 deg Target right ascension TARGET_DEC float64 deg Target declination PMRA float32 mas yr^-1 proper motion in the +RA direction (already including cos(dec)) PMDEC float32 mas yr^-1 Proper motion in the +Dec direction REF_EPOCH float32 yr Reference epoch for Gaia/Tycho astrometry. Typically 2015.5 for Gaia FA_TARGET int64 Targeting bit internally used by fiberassign (linked with FA_TYPE) FA_TYPE binary Fiberassign internal target type (science, standard, sky, safe, suppsky) OBJTYPE char[3] Object type: TGT, SKY, NON, BAD SUBPRIORITY float64 Random subpriority [0-1) to break assignment ties OBSCONDITIONS int32 Bitmask of allowed observing conditions RELEASE int16 Imaging surveys release ID BRICKNAME char[8] Brick name from tractor input BRICKID int32 Brick ID from tractor input BRICK_OBJID int32 Imaging Surveys OBJID on that brick MORPHTYPE char[4] Imaging Surveys morphological type from Tractor EBV float32 mag Galactic extinction E(B-V) reddening from SFD98 FLUX_G float32 nanomaggy Flux in the Legacy Survey g-band (AB) FLUX_R float32 nanomaggy Flux in the Legacy Survey r-band (AB) FLUX_Z float32 nanomaggy Flux in the Legacy Survey z-band (AB) FLUX_W1 float32 nanomaggy WISE flux in W1 (AB) FLUX_W2 float32 nanomaggy WISE flux in W2 (AB) FLUX_IVAR_G float32 nanomaggy^-2 Inverse variance of FLUX_G (AB) FLUX_IVAR_R float32 nanomaggy^-2 Inverse variance of FLUX_R (AB) FLUX_IVAR_Z float32 nanomaggy^-2 Inverse variance of FLUX_Z (AB) FLUX_IVAR_W1 float32 nanomaggy^-2 Inverse variance of FLUX_W1 (AB) FLUX_IVAR_W2 float32 nanomaggy^-2 Inverse variance of FLUX_W2 (AB) FIBERFLUX_G float32 nanomaggy Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing FIBERFLUX_R float32 nanomaggy Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing FIBERFLUX_Z float32 nanomaggy Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing FIBERTOTFLUX_G float32 nanomaggy Predicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing FIBERTOTFLUX_R float32 nanomaggy Predicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing FIBERTOTFLUX_Z float32 nanomaggy Predicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing MASKBITS int16 Bitwise mask from the imaging indicating potential issue or blending SERSIC float32 Power-law index for the Sersic profile model (MORPHTYPE=SER) SHAPE_R float32 arcsec Half-light radius of galaxy model (>0) SHAPE_E1 float32 Ellipticity component 1 of galaxy model for galaxy type MORPHTYPE SHAPE_E2 float32 Ellipticity component 2 of galaxy model for galaxy type MORPHTYPE REF_ID int64 Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho-2; sourceid for Gaia DR2 REF_CAT char[2] Reference catalog source for star: T2 for Tycho-2, G2 for Gaia DR2, L2 for the SGA, empty otherwise GAIA_PHOT_G_MEAN_MAG float32 mag Gaia G band magnitude GAIA_PHOT_BP_MEAN_MAG float32 mag Gaia BP band magnitude GAIA_PHOT_RP_MEAN_MAG float32 mag Gaia RP band magnitude PARALLAX float32 mas Reference catalog parallax PHOTSYS char[1] N for the MzLS/BASS photometric system, S for DECaLS PRIORITY_INIT int64 Target initial priority from target selection bitmasks and OBSCONDITIONS NUMOBS_INIT int64 Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS SV3_DESI_TARGET int64 DESI (dark time program) target selection bitmask for SV3 SV3_BGS_TARGET int64 BGS (bright time program) target selection bitmask for SV3 SV3_MWS_TARGET int64 MWS (bright time program) target selection bitmask for SV3 SV3_SCND_TARGET int64 Secondary target selection bitmask for SV3 DESI_TARGET int64 DESI (dark time program) target selection bitmask BGS_TARGET int64 BGS (Bright Galaxy Survey) target selection bitmask MWS_TARGET int64 Milky Way Survey targeting bits PLATE_RA float64 deg Right Ascension to be used by PlateMaker PLATE_DEC float64 deg Declination to be used by PlateMaker COADD_NUMEXP int16 Number of exposures in coadd COADD_EXPTIME float32 s Summed exposure time for coadd COADD_NUMNIGHT int16 Number of nights in coadd COADD_NUMTILE int16 Number of tiles in coadd MEAN_DELTA_X float32 mm Mean (over exposures) fiber difference requested - actual CS5 X location on focal plane RMS_DELTA_X float32 mm RMS (over exposures) of the fiber difference between measured and requested CS5 X location on focal plane MEAN_DELTA_Y float32 mm Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane RMS_DELTA_Y float32 mm RMS (over exposures) of the fiber difference between measured and requested CS5 Y location on focal plane MEAN_FIBER_RA float64 deg Mean (over exposures) RA of actual fiber position STD_FIBER_RA float32 arcsec Standard deviation (over exposures) of RA of actual fiber position MEAN_FIBER_DEC float64 deg Mean (over exposures) DEC of actual fiber position STD_FIBER_DEC float32 arcsec Standard deviation (over exposures) of DEC of actual fiber position MEAN_PSF_TO_FIBER_SPECFLUX float32 Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing ========================== ======= ============ ===============================================================================================================================