General SDSS Library

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List of Routines

• ANGLE_ROWCOL2RADEC
• BOLO_MAG compute bolometric magnitude of g,r,i mag and zeropoint is (5,n)
• CASID
• CASID2PHOTOID Convert a set of CAS ids (skyserver ids) to a photoids.
• CASID_EXTRACT Extract run,rerun,camcol,field,id (and sky, first_field)
• CETA2STRIPENUM Find which stripe goes with this eta.
• CIRC_RADEC Circles an ra and dec position on the current display. We need
• COMPUTE_ZEROPOINT compute zeropoint,zpt, from from calib info a,b,c,k are from fcPCalib
• CREATE_PHOTOMAP Map ra/dec to pixel coordinates.
• CSURVEY2EQ
• DISPLAY_FCHART make the chart. Label axis with arcminutes from the center. Output
• EQ2CSURVEY Convert from ra, dec to the corrected clambda, ceta
• EQ2GC convert from equatorial to great circle coordinates
• EQ2ROWCOL convert from equatorial coordinates to row/col, ignoring higher
• EQ2SURVEY Convert from ra, dec to lambda, eta (SDSS survey coordinates)
• ETA2STRIPENUM Find which stripe goes with this eta.
• EXTRACT_GALAXIES Extracts a clean set of galaxies
• EXTRACT_STARS Extracts a clean set of stars suitable for PSF determination
• FCHART Create a finding chart for an SDSS object.
• FCHART_CIRC_RADEC Build a finding chart and (unless requested otherwise ) circle positions
• FIELD2STRING Function outputs a string containing field of a photo tsObj
• FIELD_INDICES Takes arrays of run,rerun,camcol,field and finds the number of uniq hashs
• FIND_RADEC Find the run, camcol and field that contain the input ra and dec.
• FIND_RADEC_ASTRANS Find the run, camcol and field that contain the input ra and dec.
• FIND_RADEC_FCHART Create a finding chart for the input coordinates.
• FLUX2LUP Convert flux to SDSS luptitudes; this has different conventions than nmgy2lups which gives the expected result for the princeton redux.
• GC2CSURVEY convert from SDSS great circle to corrected SDSS survey coordinates
• GC2EQ convert from great circle to equatorial coordinates
• GC2SURVEY convert from SDSS great circle to SDSS survey coordinates
• GET_FAMILY retrieves atlas images for an object and any other objects
• ID2STRING Function outputs a string containing id of a photo object
• LUP2FLUX convert SDSS luptitudes to flux; this has different conventions than lups2nmgy which gives the expected result for the princeton redux.
• LUPS2NMGY Convert asinh mags, or luptitudes, to nanomaggies.
• MAKE_CMODEL_COUNTS Create model magnitudes by combining the exponential fit with the
• MAKE_COLOR_FLAG takes the str from search color_space
• MARK_RADEC Marks an ra and dec position on the current display using the input
• MARKSTRUCT_MARK_RADEC GNU General Public License for more details.
• MUNU2ROWCOL convert from great circle coordinates to row/col, ignoring higher
• NMGY2LUPS Convert flux in nanomaggies to asinh mags, or luptitudes.
• OBJ_INFO For a list of objects (index) make color-color diagrams, size
• PHOTO_MATCH Match to lists of photo objects by their run, rerun, camcol, field,
• PHOTOID Create unique super id from run,rerun,camcol,field,id
• PHOTOID2CASID Convert a set of photoids to CAS ids (skyserver ids)
• PHOTOID_EXTRACT Extract run,rerun,camcol,field,id from a superid (Ulong64) created with
• PHOTOMAP map ra and dec to row and col. The map centers on the first
• PLOT_1COLOR make color-color plot from sloan colors. Plot one set of data
• PLOT_COLORS make color-color plots from sloan colors. Plot one set of data
• READ_ATLAS Read atlas images specified by SDSS run,rerun,camcol,field,id,
• READ_OBJMASK Read in object mask data for objects in an SDSS atlas file.
• READ_SPDIAG1D read in the spDiag file for a given plateid (mjd)
• READ_SPEC1D Read spectra data for the input plateid and fiberid. The mjd is optional;
• RGBFCHART Create a color finding chart for the input ra/dec position
• ROWCOL2EQ convert from row/col to equatorial coords, ignoring higher
• ROWCOL2MUNU convert from row-column to great circle coordinates (mu,nu)
• RUN2STRING Function outputs a string containing run of a photo tsObj
• RUN_EXTRACT
• SDSS__DEFINE The main SDSS class file. Inherits sdss_util, sdss_files, sdss_flags.
• SDSS_EXTRACT
• SDSS_FILE Return an SDSS file name for the input filetype, and id information.
• SDSS_FILELIST Return a list of files for the input filetype and SDSS id info.
• SDSS_FILES__DEFINE A class definition file containing methods for dealing with sdss files.
• SDSS_FLAG Return the SDSS flag value given the flag name.
• SDSS_FLAG_PLOT Plot a histogram of the flags set for a set of objects.
• SDSS_FLAG_PRINT Print all flags that are set.
• SDSS_FLAG_SELECT Check the bits in a set of input flags. The flags, flag type, and
• SDSS_FLAG_SELECT_STRUCT Return a flag selection structure for a given flag type. This can be
• SDSS_FLAG_STRUCT Return the flag structure for all types or a given type if
• SDSS_FLAGS__DEFINE Defines a set of methods for doing SDSS flag selection.
• SDSS_GENRAND Generate random points for photometric or spectroscopic galaxies using
• SDSS_MAGUSE Given a structure, look for magnitude arrays and return the tag index of the
• SDSS_OBJNAME Generate a standard sdss filename chunk from SDSS id info.
• SDSS_POSTGRES__DEFINE This class inherits the POSTGRES class and provides a simple way to access
• SDSS_PSFREC reconstruct the psf at position (row,col) in an sdss
• SDSS_READ Generic SDSS file reader. Reads asTrans, tsObj, tsField, fpObjc, psField...
• SDSS_RECFRAME Reconstruct an SDSS frame from atlas images.
• SDSS_RUNSTATUS Return the runstatus information structure. Load the data if needed.
• SDSS_RUNSTATUS_CREATE Find files and other info for the runs in the SDSS DATA_DIR and
• SDSS_RUNSTATUS_PRINT Decode and print the status for the input run/rerun
• SDSS_SPEC_TYPE Convert the spec class number to a string representing the type of the
• SDSS_SPECLINE_NAME Convert the restframe wavelength of a line to its name.
• SDSS_TRANSFORM__DEFINE Defines a set of methods for coordinate transformations.
• SDSS_UTIL__DEFINE Defines a set of utility methods usefule for SDSS data manipulation.
• SDSSIDL_CONFIG Return the value of an sdssidl configuration variable
• SDSSIDL_LOAD_CONFIG Load the configuration file. The $SDSSIDL_CONFIG variable msut be set by
• SDSSIDL_SETUP Set up SDSSIDL variables. The global variable !sdss is created. This
• SEARCH_COLOR_SPACE For taking an sdss catalog and selecting objects of desired
• SELECT_COLORS An interactive tool for selection sdss objects based on their
• SPHOTO_MATCH Match two photo structs by their run, rerun, camcol, field,
• STRIPE2STRING Function outputs a string containing stripe of a photo tsObj
• SURVEY2EQ Convert from lambda, eta (SDSS survey coordinates) to ra, dec
• VIEW_ATLAS Display the atlas images for an object. Images are read using the
• VIEW_SPEC1D Plot an SDSS spectra. The redshift, spectral classification, spectro id,