This is an example README file. Large-scale structure subsample test13all0 extracted from VAGC_REDUX=/global/data/vagc-devel pre-redshift sampling conditions: ** Structure LETTERSTR, 7 tags, length=64, data length=64: LETTER STRING 'all' MMIN DOUBLE 10.000000 MMAX DOUBLE 20.000000 MINSAMPLING DOUBLE 0.0000000 COLLISION_TYPE STRING 'none' FLUX_TYPE STRING 'petro' BAND LONG 2 MMAX is the maximum apparent mag allowed for this sample; see the mregions file for the actual limits as a function of position. collision_type can be: none - no collisions are corrected nearest - nearest neighbor is used as redshift for collided galaxies photoz - nearest neighbor is used *if* the it is within 0.1 of photo-z for collided gal post-redshift sampling conditions: ** Structure POSTSTR, 12 tags, length=56, data length=56: POST STRING '0' ABSMMIN FLOAT -30.0000 ABSMMAX FLOAT -10.0000 ZMIN FLOAT 0.00100000 ZMAX FLOAT 0.500000 BAND_SHIFT FLOAT 0.100000 OMEGA0 FLOAT 0.300000 OMEGAL0 FLOAT 0.700000 QEVOLVE FLOAT 0.00000 QZ0 FLOAT 0.100000 ABSMAGDEP FLOAT 0.00000 REF_ABSMAGDEP FLOAT -20.4400 Mean density= 0.3409924 +/- 0.0090482 h^3 Mpc^{-3} Effective area= 0.0139244 Galaxies in Sample: ================== lss.$sample$letter$post.dat # # # Lists properties of all galaxies in the sample in question. # If you want to know more about the galaxies in this sample, the # best thing to do us to consult the master lists associated with # sample7. "indx" indicates the position (zero-indexed) of each # object in the master list. # # indx: position of object in master object list of sample12 # sector: index of sector this object belongs to # mregion: index of magnitude limit region this object belongs to # (see mregion file for info on each mregion) # ra: right ascension (degrees) # dec: declination (degrees) # cz: redshift (km/s) # fgotten: fraction of objects gotten in this sector # selection fn: phi(z) for this redshift photoinfo.$sample$letter$post.dat # # # Some photometric information on each object. DO NOT, repeat DO NOT, # cut the sample on these properties unless the sample is volume-limited. # Also note that the absolute magnitudes here are not evolution # corrected EVER. # # M_b: Absolute magnitudes K-corrected to the effective bandpasses at z=0.10. # mu_{50}: The r-band half-light Petrosian surface brightness, (1+z)^4- and # K-corrected # r50/r90: The inverse concentration parameter id.sample12safe10.dat # # # Object IDs for each galaxy. Radial Selection Function: ========================= czselfunc.all.$sample$letter$dat.dat # # # Gives the "overall" selection function; ie. the fraction of # galaxies in your absolute magnitude range that are within the # flux limits at a given redshift. Uses the mean K-correction # as a function of redshift for this sample czselfunc.[mregion].$sample$letter$dat.dat # # # Same as czselfunc.all, but separately for each mregion with a # different flux limit. (See the mregion file for information about # each mregion). vmax.$sample$letter$post.dat # # # Gives the Vmax-type information about this galaxy and this sample. # Does not include the effects of evolution EVER. # # indx: LSS indx # Vmax: effective Vmax (including sampling fraction contribution) # zmin: minimum redshift galaxy would fall into the sample, given the # flux limits in the mregion in which it was observed # zmax: maximum redshift galaxy would fall into the sample, given the # flux limits in the mregion in which it was observed vmax_evolve.$sample$letter$post.dat # # # Gives the Vmax-type information about this galaxy and this sample. # Includes the effects of evolution using function: # curr_zdep=qevolve*(1.+absmagdep*(M_r(z=qz0)-ref_absmagdep)) # M_r(z=zobs)= M_r - curr_zdep*(zobs-qz0) # where M_r is the absolute magnitude given in the photoinfo file and # qevolve, qz0, absmagdep, and ref_absmagdep are as listed above. # # indx: LSS indx # Vmax: effective Vmax (including sampling fraction contribution) # zmin: minimum redshift galaxy would fall into the sample, given the # flux limits in the boundary in which it was observed # zmax: maximum redshift galaxy would fall into the sample, given the # flux limits in the boundary in which it was observed Definition of Survey Area: ========================= sectors.$sample$letter$post.dat # # # Sampling rates of each sector (defined as a region covered by a # unique set of plates). Remember that objects for which we assign # redshifts based on a close neighbor (ie. collided galaxies) are # counted as "gotten". # # sector: index number of sector # fgot: fraction of galaxy targets classified (including coll. fixes) # ntargets: number of galaxy targets # ngot: number of galaxy targets classified (including coll. fixes) mregion.$sample$letter$post.dat # # # Description of conditions for each boundary region. # # area: effective area (having taken out the bright star mask and then # accounting for the completeness), in steradians # mmin: bright flux limit # mmax: faint flux limmit window.$sample$letter$post.ply # mangle-style polygon file describing the geometry of the sample # (not accounting for the mask). format and code for handling these # files is described at # http://casa.colorado.edu/~ajsh/mangle/ windowinfo.$sample$letter$post.dat # # # Classification of each polygon in the aforementioned "window" # polygon file. Each window polygon is fully contained in a single # sector and mregion. # # sector: sector of which polygon is a part (see the "sectors" file) # mregion: mregion of which polygon is a part (see the "mregion" file) mask.$sample$letter$post.ply # mangle-style polygon file describing the mask of the sample. # format and code for handling these files is described at # http://casa.colorado.edu/~ajsh/mangle/ maskinfo.$sample$letter$post.dat # # # Classification of each polygon in the aforementioned "mask" # polygon file. Each mask is fully contained in the area of some # window polygon. # # sector: sector of which polygon excludes a part (see the "sectors" file) # mregion: mregion of which polygon excludes a part (see the "mregion" file) # iwindow: polygon in "window" polygon of which this mask polygon # excludes a part