Line Tables

These tables give observed air wavelengths for the 2000-20000 Å range for spectra other than Fr I. Outside of the 2000-20000 Å range, the wavelengths are vacuum wavelengths. Lines of Fr I are extrapolated vacuum wavelengths from known energy levels. All observed lines are from NIST ASD. All energy level information is from NIST ASD. Wavelengths from MIT Wavelength Tables have been omitted as this publication appears to still be under copyright. However, in some cases, the exact same wavelength is given by NIST and MIT; in that case, the line is included.

Line intensities have been adjusted in the visible region to match photographed visible spectra. Line intensities of Rn have been adjusted to match the Grotrian diagram of Rn I. Line intensities in the infrared and ultraviolet are less reliable, but every effort was made to estimate them as accurately as possible. The elements He, O, Cl, Ar, Kr, and Xe have had their NIR lines photographed out to roughly 11000 Å. The intensities of the "brightest" several IR lines of each of these elements, in the 7000-10000 Å range, can be trusted. For the range of 3800-8000 Å, estimated visual brightnesses (EVB) are given. A dash in either of the intensity columns means the line intensity would be less than one relative to other lines of the same spectrum.

All Spectra

H

He

Li

Be

B

C

N

O

F

Ne

Na

Mg

Al

Si

P

S

Cl

Ar

K

Ca

Sc

Ti

V

Cr

Mn

Fe

Co

Ni

Cu

Zn

Ga

Ge

As

Se

Br

Kr

Rb

Sr

Y

Zr

Nb

Mo

Tc

Ru

Rh

Pd

Ag

Cd

In

Sn

Sb

Te

I

Xe

Cs

Ba

La

Ce

Pr

Nd

Pm

Sm

Eu

Gd

Tb

Dy

Ho

Er

Tm

Yb

Lu

Hf

Ta

W

Re

Os

Ir

Pt

Au

Hg

Tl

Pb

Bi

Po

At

Rn

Fr

Ra

Ac

Th

Pa

U

Np

Pu

Am

Cm

Bk

Cf

Es

Fm

Md

No

Lr

Rf

Db

Sg

Bh

Hs

Mt

Ds

Rg

Cn

Nh

Fl

Mc

Lv

Ts

Og

Entire Range | 2000-10000 Å | Visible Region | Si CCD/CMOS Region | Thermal IR | Vacuum UV
Specific Wavelength (rounded):  Å  nm
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λ, Å	E.	Sp.#	Rel.Int.	EVB	Lower Config	Lower Term+J	Lower Level	Upper Config	Upper Term+J	Upper Level
6549.25	Gd	I	105	29
6564.78	Gd	I	100	26
6568.	Gd	II	95	25
6573.8	Gd	I	35	10
6591.6	Gd	I	135	32
6593.42	Gd	I	25	6
6610.04	Gd	II	40	9
6634.36	Gd	II	285	64
6640.08	Gd	I	70	15
6642.76	Gd	I	9	2
6643.98	Gd	I	15	3
6646.85	Gd	I	20	4
6653.55	Gd	I	-	-
6679.56	Gd	II	75	14
6681.23	Gd	II	300	56
6692.86	Gd	I	70	13
6704.18	Gd	II	60	10
6718.14	Gd	II	105	18
6727.83	Gd	II	135	22
6730.73	Gd	I	255	41
6752.67	Gd	II	525	78
6753.91	Gd	II	180	26
6783.39	Gd	I	120	17
6786.33	Gd	II	375	48
6787.18	Gd	I	60	8
6814.56	Gd	I	195	22
6816.49	Gd	I	255	29
6820.9	Gd	I	315	36
6828.25	Gd	I	690	76
6846.6	Gd	II	765	77
6857.13	Gd	II	345	33
6864.25	Gd	I	-	-
6887.63	Gd	II	85	7
6900.73	Gd	II	180	15
6916.57	Gd	I	720	54
6920.62	Gd	II	105	8
6924.99	Gd	II	55	4
6926.49	Gd	I	40	3
6945.98	Gd	II	70	5
6957.74	Gd	II	70	4
6959.24	Gd	II	80	5
6964.33	Gd	I	35	2
6971.66	Gd	II	420	26
6976.35	Gd	II	330	19
6978.27	Gd	II	195	12
6980.86	Gd	I	195	11
6985.89	Gd	II	585	32
6988.75	Gd	II	25	1
6991.92	Gd	I	300	17
6993.18	Gd	I	40	2

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