Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.stsci.edu/ftp/science/hdf/logs/zeropoints.txt Дата изменения: Sat Jan 13 23:38:34 1996 Дата индексирования: Sun Dec 23 00:00:24 2007 Кодировка: Поисковые слова: http astrokuban.info astrokuban

HDF photometric zeropoints (flux corresponding to 1 DN/sec)

FILTER chip STMAG ABMAG VEGAMAG FLAMBDA
F300W 1 19.47 20.78 19.44 5.927e-17
F300W 2 19.48 20.79 19.45 5.880e-17
F300W 3 19.48 20.79 19.45 5.871e-17
F300W 4 19.45 20.76 19.43 6.024e-17

F450W 1 21.52 21.92 22.00 8.948e-18
F450W 2 21.53 21.93 22.01 8.877e-18
F450W 3 21.53 21.93 22.01 8.863e-18
F450W 4 21.50 21.90 21.98 9.095e-18

F606W 1 23.21 23.02 22.90 1.880e-18
F606W 2 23.22 23.02 22.91 1.865e-18
F606W 3 23.22 23.03 22.91 1.863e-18
F606W 4 23.20 23.00 22.88 1.911e-18

F814W 1 22.90 22.08 21.65 2.504e-18
F814W 2 22.91 22.09 21.65 2.484e-18
F814W 3 22.91 22.09 21.66 2.480e-18
F814W 4 22.89 22.07 21.63 2.545e-18

For general reference, listed below are the conversions between AB, ST,
and VEGA magnitudes for the HDF filters (as computed by synphot).

FILTER ABMAG-STMAG VEGAMAG-STMAG
F300W 1.31 -0.024
F450W 0.399 0.476
F606W -0.199 -0.315
F814W -0.819 -1.258