Differences between revisions 9 and 11 (spanning 2 versions)
Revision 9 as of 2011-05-30 07:13:03
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Revision 11 as of 2011-05-30 07:55:53
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Deletions are marked like this. Additions are marked like this.
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||   special flags || char*4 || || blank || Forbidden and cross-reference flags||
|| || 1st byte|| || A || Autoionization transition||
||Transition type || char*1 || || blank || Allowed transition||
|| ||        || || A || Autoionizing transition||
Line 30: Line 30:
|| || 2nd byte|| || A || Extended van der Waals||
|| || || || B || Extended Stark||
|| || || || C || Extended van der Waals & Stark||
||Extra information || char*1 || || blank or 0 || No extended information||
|| || || || 1 || Extended van der Waals||
|| || || || 2 || Extended Stark||
|| || || || 3 || Extended van der Waals & Stark||
|| || || || 4 || Transition has hfs extension||
|| || || || 5 || Extended van der Waals & hfs||
|| || || || 6 || Extended Stark & hfs||
|| || || || 7 || Extended van der Waals & Stark + hfs||
||Not assigned || char*1 || || blank || Not used||
||Not assigned || char*1 || || blank || Not used||

VALD-3 binary record format (in February 2011 we decided to expand the level designation fields to 86 characters extending the total record length to 270 bytes):

Field short name

Type

Unit

Default

Description

wl

real*8

Å

wavelength in vacuum

species

int*4

VALD species code, see ~vald/data/VALD_list_of_species

loggf

real*4

log statistical weight times oscillator strength

e_low

real*8

cm^-1

energy of the lower level

j_low

real*4

orbital quantum number for the lower level

e_upp

real*8

cm^-1

energy of the upper level

j_upp

real*4

orbital quantum number for the upper level

lande_low

real*4

99

Lande factor for the lower level

lande_upp

real*4

99

Lande factor for the upper level

gamrad

real*4

s^-1

0

log Radiative damping constant

gamst

real*4

(s*Ne)^-1

0

log Quadratic Stark damping constant at l0000 K (per perturber)

gamvw

real*4

(s*NH)^-1

0

log van der Waals damping constant at l0000 K (per perturber)

term_flag_low

char*2

blank

level coupling type (e.g. LS)

term_low

char*86

blank

lower level term designation

term_flag_upp

char*2

blank

level coupling type (e.g. LS)

term_upp

char*86

blank

upper level term designation

source

char*7

blank

reference to the oscillator strength source

accuracy_flag

char*1

blank

type of the accuracy value (see below)

accuracy

char*6

blank

accuracy of the oscillator strength

Transition type

char*1

blank

Allowed transition

A

Autoionizing transition

B

Forbidden: Electric quadrupole transition

C

Forbidden: Magnetic dipole transition

D

Forbidden: Magnetic quadrupole transition

Extra information

char*1

blank or 0

No extended information

1

Extended van der Waals

2

Extended Stark

3

Extended van der Waals & Stark

4

Transition has hfs extension

5

Extended van der Waals & hfs

6

Extended Stark & hfs

7

Extended van der Waals & Stark + hfs

Not assigned

char*1

blank

Not used

Not assigned

char*1

blank

Not used

comment

char*16

blank

additional comments (e.g. wavelength accuracy)

Notes:

Fields without Default value are mandatory.

accuracy_flag values:
' ' ... no value
'N' ... quality class (NIST)
'E' ... error in dex
'C' ... cancellation factor
'P' ... predicted line

ValdWiki: Vald3Format (last edited 2016-07-01 09:36:01 by NikolaiPiskunov)