Reading index-130331000-43.fits... Got 4590803 stars Nside=624. Nside^2=389376. Number of healpixes=4672512. Healpix side length ~ 5.63772 arcmin. Star tree contains 4590803 objects. Healpix radius 239.188 arcsec, quad scale 240 arcsec, total 483.98 arcsec Scanning 4590803 input stars... Will check 97344 healpixes. Pass 1 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 97344 quads so far. Merging quads... Pass 2 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 194688 quads so far. Merging quads... Pass 3 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 292032 quads so far. Merging quads... Pass 4 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 389376 quads so far. Merging quads... Pass 5 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 486720 quads so far. Merging quads... Pass 6 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 584064 quads so far. Merging quads... Pass 7 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 681408 quads so far. Merging quads... Pass 8 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 778752 quads so far. Merging quads... Pass 9 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 876096 quads so far. Merging quads... Pass 10 of 16. Trying 97344 healpixes. ............................................................................... Made 97344 quads (out of 97344 healpixes) this pass. Made 973440 quads so far. Merging quads... Pass 11 of 16. Trying 97344 healpixes. ..................................................................