Tycho-2 index files
-------------------

Triangle for scales 11-19.

for ((i=11; i<20; i++));
  do build-index -d 3 -o index-41${i}.fits -P $i -S mag -B 0.1 -s 0 -r 1 -I 41${i} -M -i /data1/catalogs-fits/TYCHO-2/tycho2-cut.fits;
done > log

Quads for scales 7-10.

i=10; build-index -d 4 -o index-41${i}.fits -P $i -S mag -B 0.1 -s 0 -r 1 -I 41${i} -M -i /data1/catalogs-fits/TYCHO-2/tycho2-cut.fits | tee log10
i=9; build-index -d 4 -o index-410${i}.fits -P $i -S mag -B 0.1 -s 0 -r 1 -I 410${i} -M -i /data1/catalogs-fits/TYCHO-2/tycho2-cut.fits | tee log9
i=8; build-index -d 4 -o index-410${i}.fits -P $i -S mag -B 0.1 -s 0 -r 1 -I 410${i} -M -i /data1/catalogs-fits/TYCHO-2/tycho2-cut.fits | tee log8
i=7; build-index -d 4 -o index-410${i}.fits -P $i -S mag -B 0.1 -s 0 -r 1 -I 410${i} -M -i /data1/catalogs-fits/TYCHO-2/tycho2-cut.fits | tee log7

Scale 9 pretty much fills up 10 sweeps of stars.
Scale 8 starts with 145k stars per sweep and ends with ~100k.  (32 arcmin healpixes)
Scale 7 starts with 290k and ends with 95k. (22 arcmin healpixes)