Table 13:
New spectral keywords including forms for use in tables.
All table keywords except the coordinate name have the same form
for the BINTABLE vector image format and the pixel list
format.
| Primary |
BINTABLE |
Pixel |
Type |
Sect. |
Keyword |
| Array |
|
list |
|
|
Description |
CNAME
 |
i CNA n a |
TCNA n a |
character |
3.3 |
Coordinate axis name |
| RESTFRQ a |
RFRQ n a |
floating |
3.4.4 |
Line rest frequency (Hz) |
| RESTFREQ |
-- |
floating |
3.4.4 |
Line rest frequency alternate for primary array only |
| RESTWAV a |
RWAV n a |
floating |
3.4.4 |
Line rest wavelength in vacuum (m) |
| SPECSYS a |
SPEC n a |
character |
7 |
Spectral reference frame (from Table 12) |
| SSYSOBS a |
SOBS n a |
character |
7 |
Spectral reference frame fixed during observation
(from Table 12) |
| MJD-AVG |
MJDA n |
floating |
7 |
Average date of observation (Julian date
-2400000.5) |
| DATE-AVG |
DAVG n |
character |
7 |
Average date/time of observation |
| OBSGEO-X |
OBSGX n |
floating |
7 |
Observation X (m) |
| OBSGEO-Y |
OBSGY n |
floating |
7 |
Observation Y (m) |
| OBSGEO-Z |
OBSGZ n |
floating |
7 |
Observation Z (m) |
| VELOSYS a |
VSYS n a |
floating |
7 |
Radial velocity wrt standard of rest (m s-1) |
| ZSOURCE a |
ZSOU n a |
floating |
7 |
Redshift of source for SOURCE cases (unitless) |
| SSYSSRC a |
SSRC n a |
character |
7 |
Spectral reference frame for SOURCE cases
(from Table 12) |
| VELANGL a |
VANG n a |
floating |
A |
Angle of true velocity from tangent to line of
sight |