diff options
Diffstat (limited to 'noao/lib/funits.h')
| -rw-r--r-- | noao/lib/funits.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/noao/lib/funits.h b/noao/lib/funits.h new file mode 100644 index 00000000..a560b933 --- /dev/null +++ b/noao/lib/funits.h @@ -0,0 +1,33 @@ +# Definition for funits package + +define FUN_LEN 124 # Length of funits structure +define SZ_UNITS 79 # Length of funits strings + +define FUN_TYPE Memi[$1] # Unit type code +define FUN_CLASS Memi[$1+1] # Unit class code +define FUN_MOD Memi[$1+2] # Modifier code +define FUN_SCALE Memr[P2R($1+3)] # Scale factor +define FUN_LABEL Memc[P2C($1+4)] # Unit label +define FUN_UNITS Memc[P2C($1+44)] # Units string +define FUN_USER Memc[P2C($1+84)] # User units string + +# Unit classes +define FUN_UNKNOWN 0 # Unknown +define FUN_FREQ 1 # Frequency +define FUN_WAVE 2 # Wavelength + +# Unit modifiers +define FUN_LOG 1 # Log10 +define FUN_MAG 2 # Mag + +# Unit types +define FUN_NUNITS 4 +define FUN_DIC "|jansky|fu|erg/cm2/s/hz|erg/cm2/s/a|log|mag|" + +# Unit scales: Conversions from Jansky +define FUN_J 1.0 # Jansky (W/m2/s/Hz) +define FUN_FU 1E26 # Flux units (W/m2/s/Hz*1E26) +define FUN_CGSH 1e3 # CGS units (erg/cm2/s/Hz) +define FUN_CGSA 1e3 # CGS units (erg/cm2/s/A) + +define FUN_VLIGHT 2.997925e18 # V light A/s |