Data model: window_flist

General description: This file contains the full list of fields used in the determination of the window function.

Naming convention: window_flist.fits

Approximate size: 0.5 Gbyte

File type: FITS

Read by products: photoop, others

Written by products: photoop

Required header keywords: (none)

Required column names:

• run (int32): SDSS drift scan run number
• rerun (string): reprocessing number
• camcol (int16): camera column
• field (int32): field number
• mjd (int32): date of observation, coarse
• tai[5] (float64): date of observation of this field, in TAI.
• ra (float64): center of field in RA, J2000 degrees
• dec (float64): center of field in Dec, J2000 degrees
• node (float64): node of great circle, that is, its RA on the J2000 equator
• incl (float64): inclination of great circle relative to J2000 equator
• xBore (float64): boresight offset perpendicular to great circle (deg)
• mu_start (float64): start of field in stripe coords (parallel to scan direction)
• mu_end (float64): end of field in stripe coords (parallel to scan direction)
• nu_start (float64): start of field in stripe coords (perpendicular to scan direction)
• nu_end (float64): end of field in stripe coords (perpendicular to scan direction)
• xBin (int32): binning amount perpendicular to scan direction (pix)
• yBin (int32): binning amount in scan direction (pix)
• ifindx (int32): first entry for this field in the window_findx.fits file matching the fields to balkans
• nbalkans (int32): number of balkans contained in this field (and corresponding number of entries in window_findx.fits
• psf_fwhm[5] (float32): seeing in this field
• skyflux[5] (float32): mean sky flux in this field
• sun_angle (float32): altitude of Sun at time of observation (deg)
• photo_status (int32): status reported by the fpFieldStat files
• psp_status[5] (int32): status reported by the psField file
• image_status (int32): image status bitmask
• calib_status (int32): calibration status bitmask
• score (float32): Quality score of field (0-1)

For IDL users, the photoop utility "window_read" can be used to read in the field list.

Example file: window_flist.fits