7.1.7 Opacities

7.1.7.1 character opafile

The opacity file can be specified with e.g.

character opafile f=A80 b=80 n='opacity file name' &
  c0=g2va.opta/big_grey.opta &
  c1='empty -> no radiation transport'
phoenix_opal_grey.opta

So far, there exist already a couple of files, for example:

• davmf.opta:
• f5v.opta:
• g2va.opta:
• g2v_lowhe.opta:
• g2v_m20.opta:
• g2v.opta:
• hmin_p00.opta:
• opal_lowhe.opta:
• opal_m05.opta:
• opal_m10.opta:
• opal_m20.opta:
• phoenix_dust_grey.opta:
• phoenix_dust_ob4.opta:
• phoenix_opal_grey.opta:
• ross_m05.opta:
• ross_m10.opta:
• ross_m20.opta:
• sunur1.opta:
• sunur2.opta:
• t5000g44mm20.opta:
• t5000g47mm20.opta:
• t6300g40mm20.opta:
• t6500g44mm20.opta:
• zzceti1g.opta:
• zzceti1.opta:

7.1.7.2 character opapath

The opacity file does not have to be in the working directory. Instead, its path can be specified e.g. with

character opapath f=A80 b=80 n='path of opacity file' &
  c0=/astro/b/bf/for/opa/dat
/home/bf/for/opa/dat