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: http://www.sao.ru/fetch/HL/leda/param/ubtc.html
Дата изменения: Mon Dec 23 18:23:59 2013
Дата индексирования: Fri Feb 28 17:12:15 2014
Кодировка:
Corrected total asymptotic color (U-B)
Colors are given essentially in the UBV system. They are :
total asymptotic colors ubt
for (U-B)T
total asymptotic colors bvt
for (B-V)T
effective colors ube for
((U-B)e (colors within the effective aperture in which half the total
B-flux is emitted)
effective colors bve for
((B-V)e (same as for ube)
Total assymptotic colors bvtc
and ubtc are corrected for
galactic extinction, inclination and redshift effect (see e.g. btc documentation)