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
21.007	Cs	LI	1	-	2s2.2p	2P°1/2	0	(2s.2p1/2).2p3/2	(1,3/2)3/2	4760300
21.008	Cs	LI	1	-	2s2.2p	2P°1/2	0	(2s.2p1/2).2p3/2	(1,3/2)1/2	4760000
21.018	V	XIV	4	-	2s2.2p6	1S0	0	2s2.2p5.(2P°3/2).3d	2[3/2]°1	4757800
21.019	V	XV	-	-	2s2.2p5	2P°3/2	0	2s2.2p4.(1S).3s	2S1/2	4756200
21.035	Ti	IIII	2	-	2s2.2p6	1S0	0	2s.2p6.3p	1P°1	4754000
21.05	Ti	XV	3	-	2s2.2p4	1S0	215528	2s2.2p3.(2P°).3d	3P°1	4965000
21.0558	Ga	XXIX	2	-	1s2.3s	2S1/2	13510430	1s2.4p	2P°3/2	18259720
21.085	W	LXV	1	-	2s2.2p5.(2P°3/2).3s	(3/2,1/2)°1	67010000	2s2.2p5.(2P°3/2).3p	(3/2,3/2)0	71752700
21.094	Ti	XV	3	-	2s2.2p4	3P1	39288	2s2.2p3.(4S°).3d	3D°2	4780000
21.114	Sc	XVI	4	-	2s.(2S).2p3.(2D°)	3D°2	536610	2s.2p2.(4P).3d	3F3	5273000
21.121	Cs	LI	1	-	(2s.2p1/2).2p3/2	(1,3/2)5/2	4339200	2p1/2.(2p23/2)	(1/2,2)°3/2	9073800
21.127	Ti	IIII	-	-	2s2.2p6	1S0	0	2s.2p6.3p	3P°1	4733300
21.153	Cr	XV	3	-	2s2.2p6	1S0	0	2s2.2p5.(2P°3/2).3s	(3/2,1/2)°1	4727500
21.167	Ar	XIV	-	-	2s2.2p	2P°1/2	0	2s2.4d	2D3/2	4724300
21.175	Ga	XXI	35	-	2p6.3p	2P°3/2	415258	2p6.6d	2D5/2	5137800
21.177	S	XV	-	-	1s.2p	3P°0	19734314	1s.4d	3D1	24456527
21.185	Kr	XXVI	1	-	3s	2S1/2	0	4p	2P°3/2	4720640
21.1909	S	XV	-	-	1s.2p	3P°1	19737521	1s.4d	3D1	24456527
21.191	S	XV	-	-	1s.2p	3P°1	19737521	1s.4d	3D2	24456527
21.2092	Ga	XXIX	2	-	1s2.3s	2S1/2	13510430	1s2.4p	2P°1/2	18225370
21.213	Cr	XV	-	-	2s2.2p6	1S0	0	2s2.2p5.(2P°3/2).3s	(3/2,1/2)°2	4714294
21.216	S	XV	-	-	1s.2s	1S0	19745473	1s.4p	1P°1	24458842
21.247	S	XV	-	-	1s.2p	3P°2	19750573	1s.4d	3D3	24457176
21.24968	S	XV	-	-	1s.2p	3P°2	19750573	1s.4d	3D2	24456527
21.262	Sc	XV	1	-	2s2.2p3	2P°1/2	184840	2s2.2p2.(1S).3d	2D3/2	4888000
21.28	Ar	XIV	-	-	2s2.2p	2P°3/2	22656.239	2s2.4d	2D5/2	4722050
21.285	V	XV	-	-	2s2.2p5	2P°1/2	58093	2s2.2p4.(1S).3s	2S1/2	4756200
21.29115	S	XV	-	-	1s.2p	3P°0	19734314	1s.4s	3S1	24431101
21.294	V	XIV	4	-	2s2.2p6	1S0	0	2s2.2p5.(2P°3/2).3d	2[1/2]°1	4696000
21.304	Ti	XIV	1	-	2s2.2p5	2P°3/2	0	2s2.2p4.(1S).3d	2D3/2	4694000
21.3057	S	XV	-	-	1s.2p	3P°1	19737521	1s.4s	3S1	24431101
21.329	Ba	LIII	-	-	2s.2p	(1/2,1/2)°1	1087600	2p1/2.2p3/2	(1/2,3/2)1	5776100
21.341	Ti	XIV	10	-	2s2.2p5	2P°3/2	0	2s2.2p4.(1S).3d	2D5/2	4685800
21.36511	S	XV	-	-	1s.2p	3P°2	19750573	1s.4s	3S1	24431101
21.369	Kr	XXVI	-	-	3s	2S1/2	0	4p	2P°1/2	4679430
21.372	Fe	XXIV	-	-	1s2.3s	2S1/2	9272500	1s2.5p	2P°3/2	13951600
21.372	Sc	XV	30	-	2s2.2p3	4S°3/2	0	2s2.2p2.(3P).3d	4P3/2	4679000
21.372	W	LIIII	1	-	3s.3p	3P°1	1251400	3s.3d	3D2	5930400
21.38768	Ar	XVII	-	-	1s.2s	3S1	25036647	1s.3p	1P°1	29712236
21.405	Sc	XV	30	-	2s2.2p3	4S°3/2	0	2s2.2p2.(3P).3d	4P5/2	4671800
21.409	Fe	XXIV	-	-	1s2.3s	2S1/2	9272500	1s2.5p	2P°1/2	13943400
21.426	Sc	XV	15	-	2s2.2p3	2D°3/2	111200	2s2.2p2.(1D).3d	2F5/2	4778400
21.43	Sr	IIVIII	-	-	2p6.3p	2P°1/2	491004	2p6.4s	2S1/2	5157500
21.435	Cs	LII	1	-	2s.2p3/2	(1/2,3/2)°2	4055300	2p23/2	(3/2,3/2)2	8720500
21.439	Ba	L	-	-	2s2.2p1/2.(2p23/2)	(1/2,0)°1/2	3507100	(2s.2p1/2).2p33/2	(0,3/2)3/2	8171400
21.467	Cr	XIV	-	-	2p6.3s	2S1/2	0	2p5.3s2	2P°1/2	4658300
21.47	Sc	IVIII	1	-	1s2.2p2	1S0	1034250	1s2.2s.3p	1P°1	5692000
21.49	Sc	XV	20	-	2s2.2p3	2D°5/2	121960	2s2.2p2.(1D).3d	2F5/2	4778400
21.516	Cs	XLVI	1	-	2s2.2p5.3p	(3/2,1/2)1	36133500	2s2.2p5.3d	(1/2,3/2)°2	40781100
21.521	Sc	XV	30	-	2s2.2p3	2D°5/2	121960	2s2.2p2.(1D).3d	2F7/2	4768600

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