Table I
Ne, Ar, and Ge lines in the 3635–3755-Å range.
1st order 2nd order 4th order 5th order Wavelength × order
Ne i Ar i Ge i Ar ii Ar ii Ne i 3634.7 3634.7004 3635.4 3635.4961 1824.3 3648.6046 3650.8 3650.8724 730.9 3654.6485 3660.5 3660.5730 3671.7 3671.7147 919.7 3679.1240 (735.8)c (3679.4) 1841.3 3682.6550 3683.2 3683.2909 1842.4a 3684.8196 3686.7 3686.7850 1845.8 3691.7446 3691.9 3691.9460 1846.9a 3693.9156 740.2 3701.3456 3702.2 3702.2783 1853.1 3706.2672 743.7 3718.59 1860.0a 3720.1730 744.9 3724.6236 745.3 3726.6112 932.0 3728.2148 1865.0 3730.1050 (748.1)b (3740.9912) 1874.2 3748.5130 3755.2 3755.2826
a Larger limits of error; not used as a reference line.
b Weak; unsuitable for measurement.
c Masked by a grating ghost.
Table II
Measured Ar ii wavelengths in the vuv.
Wavelengths and intervals (Å) Grating order Number of measured spectrograms 932.0538 3 6 12.2725a 4 8 12.2731 3 5 919.7810a 4 19 919.7807 3 9 745.3226 5 10 0.39758 a 5 9 744.9251 5 10 740.26916 a 5 15 730.9300 5 2
a Highest accuracy.
Table III
Ge and Ar lines in the 2700–2850-Å range.
1st order 3rd order Wavelength × order
Ge i Ge ii Ar ii 2704.8262 2710.4270 2730.5784 2741.2370 2755.4020 919.7 2759.3422 2771.4037 2773.1626 2794.7487 932.0 2796.1614 2829.8400 2832.6763 2846.3634
Table IV
4p levels derived via 3p 6 2 S and
4
s
P
4
1
1
2 .
4p levels derived from wavenumbers in Combination Wavenumber Combination Wavenumber col. 2 col. 4 3p 6 2 S -4p
D
2
1
1
2 50671.815 a
4
s
P
4
1
1
2
-
4
p
D
2
1
1
2 24307.37c 159 393.348 3.37
P
2
1
1
2 51517.913 a
P
2
1
1
2 25153.42c 160 239.446 9.42
P
2
1
2 50985.005 a
P
2
1
2 not observed 159 706.538
S
2
1
2 52367.841 a
S
2
1
2 26003.37c 161 089.374 9.37
P
4
1
1
2 46629.590 b
P
4
1
1
2 20265.124d 155 351.123 1.124
a From Ref.
1 .
b Measured in the present investigation: λ(vac) 2144.5610 Å.
c From Ref.
3 .
d From Ref.
12 .
Table V
Energy levels of Ar ii ; deep configurations.
Odd levels 3p 5
P
2
1
1
2 0.00
P
2
1
2 1 431.58 (3 P )4p
D
4
3
1
2 157 234.011 (1 D )4p
F
2
3
1
2 170 530.396
D
4
2
1
2 157 673.408
F
2
2
1
2 170 401.009
D
4
1
1
2 158 167.795
D
4
1
2 158 428.114
D
2
2
1
2 173 393.460
D
2
1
1
2 173 347.909
P
4
2
1
2 155 043.161
P
4
1
1
2 155 351.119
P
2
1
1
2 172 213.876
P
4
1
2 155 708.107
P
2
1
2 172 816.285
S
4
1
1
2 161 048.725 (1 S )4p
P
2
1
1
2 191 974.61
P
2
1
2 192 333.51
D
2
2
1
2 158 730.295
D
2
1
1
2 159 393.381
P
2
1
1
2 160 239.434
P
2
1
2 159 706.538
S
2
1
2 161 089.390
Even levels
3s 3p 6
S
2
1
2 108 721.533 (3 P )4s
P
4
2
1
2 134 241.744 (3 P )3d
F
2
3
1
2 149 179.246
P
4
1
1
2 135 085.996
F
2
2
1
2 150 147.694
P
4
1
2 135 601.732
D
2
2
1
2 151 087.305
P
2
1
1
2 138 243.639
D
2
1
1
2 150 474.983
P
2
1
2 139 258.334
P
2
1
1
2 145 668.890 (1 D )4s
D
2
2
1
2 148 842.454
P
2
1
2 144 709.986
D
2
1
1
2 148 620.153 (1 D )3d
G
2
4
1
2 154 181.51 (1 S )4s
S
2
1
2 167 308.00
G
2
3
1
2 154 204.05 (3 P )3d
F
4
4
1
2 142 186.350
F
2
3
1
2 163 506.53
F
4
3
1
2 142 717.091
F
2
2
1
2 163 299.55
F
4
2
1
2 143 107.676
F
4
1
1
2 143 371.432
D
2
2
1
2 172 335.60
D
2
1
1
2 172 829.66
D
4
3
1
2 132 327.356
D
4
2
1
2 132 481.228
P
2
1
1
2 174 409.91
D
4
1
1
2 132 630.730
P
2
1
2 174 821.01
D
4
1
2 132 737.697
S
2
1
2 184 093.14
P
4
2
1
2 147 875.949
P
4
1
1
2 147 503.108 (1 S )3d
D
2
2
1
2 179 592.231
P
4
1
2 147 228.051
D
2
1
1
2 179 931.846
Table VI
Calculated Ar ii standards in the vuv. (3 P ) parent symbols are omitted; (1 D ) and (1 S ) parent symbols are given;
3
p
5
P
2
1
1
2 is marked
1
1
2
;
3
p
5
P
2
1
2 is marked
1
2 .
Combination Wavenumber Wavelength Intensitya
calc, cm−1 calc Å
1
2
- 3d
D
4
1
1
2 131 199.150 762.20006 6
1
2
-
D
4
1
2 131 306.117 761.57914 2b
1
1
2
-
D
4
2
1
2 132 481.228 754.82392 7
1
1
2
-
D
4
1
2 132 737.697 753.36549 0.5b
1
2
- 4s
P
4
1
1
2 133 654.416 748.19824 7
1
2
-
P
4
1
2 134 170.152 745.32225 12
1
1
2
-
P
4
2
1
2 134 241.744 744.92477 15
1
1
2
-
P
4
1
1
2 135 085.996 740.26918 15
1
1
2
-
P
4
1
2 135 601.732 737.45371 2
1
2
-
P
2
1
1
2 136 812.059 730.92972 12
1
2
-
P
2
1
2 137 826.754 725.54854 18
1
1
2
-
P
2
1
1
2 138 243.639 723.36059 30
1
1
2
-
P
2
1
2 139 258.334 718.08988 15
1
2
- 3d
F
4
1
1
2 141 939.852 704.52377 9
1
1
2
-
F
4
2
1
2 143 107.676 698.77454 9
1
2
-
P
2
1
2 143 278.406 697.94188 6
1
1
2
-
F
4
1
1
2 143 371.432 697.48902 5
1
2
-
P
2
1
1
2 144 237.310 693.30189 6
1
1
2
-
P
2
1
2 144 709.986 691.03731 5
1
1
2
-
P
2
1
1
2 145 668.890 686.48838 6
1
2
- (1 D )4s
D
2
1
1
2 147 188.573 679.40057 15
1
1
2
- 3d
P
4
1
2 147 228.051 679.21839 10
1
1
2
-
P
4
1
1
2 147 503.108 677.95182 10
1
1
2
-
P
4
2
1
2 147 875.949 676.24249 12
1
1
2
- (1 D )4s
D
2
1
1
2 148 620.153 672.85626 8
1
1
2
- (1 D )4s
D
2
2
1
2 148 842.454 671.85133 30
1
2
- 3d
D
2
1
1
2 149 043.403 670.94550 20
1
1
2
-
F
2
2
1
2 150 147.694 666.01089 15
1
1
2
-
D
2
1
1
2 150 474.983 664.56229 10
1
1
2
-
D
2
2
1
2 151 087.305 661.86898 18
1
1
2
- (1 D )3d
F
2
2
1
2 163 299.55 612.37156 10
1
2
- (1 S )4s
S
2
1
2 165 876.42 602.85844 10
1
1
2
- (1 S )4s
S
2
1
2 167 308.00 597.70005 12
1
2
- (1 D )3d
D
2
1
1
2 171 398.08 583.43711 10
1
1
2
- (1 D )3d
D
2
2
1
2 172 335.60 580.26316 12
1
1
2
- (1 D )3d
D
2
1
1
2 172 829.66 578.60439 9
1
2
- (1 D )3d
P
2
1
1
2 172 978.33 578.10710 9
1
2
- (1 D )3d
P
2
1
2 173 389.43 576.73643 10
1
1
2
- (1 D )3d
P
2
1
1
2 174 409.91 573.36192 12
1
1
2
- (1 D )3d
P
2
1
2 174 821.01 572.01363 9
1
2
- (1 S )3d
D
2
1
1
2 178 500.268 560.22325 9
1
1
2
- (1 S )3d
D
2
2
1
2 179 592.231 556.81696 12
1
1
2
- (1 S )3d
D
2
1
1
2 179 931.846 555.76599 3
1
2
- 5s
P
4
1
1
2 180 790.53 553.12632 2
1
2
-
P
4
1
2 181 519.65 550.90454 1
1
2
-
P
2
1
1
2 181 659.31 550.48101 4
1
1
2
-
P
4
1
1
2 182 222.11 548.78083 7
1
2
-
P
2
1
2 182 483.06 547.99607 4
1
2
- (1 D )3d
S
2
1
2 182 661.56 547.46056 12
1
2
- 4d
D
4
1
2 182 760.21 547.16505 9
1
1
3
- 5s
P
2
1
1
2 183 090.89 546.17682 8
1
1
2
-
P
2
1
2 183 914.64 543.73050 9
1
1
2
- (1 D )3d
S
2
1
2 184 093.14 543.20329 15
1
1
2
- 4d
D
4
1
2 184 191.79 542.91236 10
1
2
-
P
4
1
2 184 739.76 541.30199 2
1
2
-
F
4
1
1
2 184 908.98 540.80662 1
1
1
2
-
F
4
2
1
2 186 074.43 537.41935 1
1
1
2
-
P
4
1
2 186 171.34 537.13960 5
1
1
2
-
P
4
2
1
2 186 891.03 535.07116 0.5
1
1
2
-
F
2
2
1
2 187 589.31 533.07942 1
1
2
-
P
2
1
2 188 503.05 530.49540 9
1
2
-
P
2
1
1
2 189 160.67 528.65112 1
1
1
2
-
P
2
1
2 189 934.63 526.49693 7
1
1
2
-
P
2
1
1
2 190 592.25 524.68031 9
1
2
-
D
2
1
1
2 191 280.50 522.79244 9
1
1
2
-
D
2
2
1
2 192 556.92 519.32696 10
1
1
2
-
D
2
1
1
2 192 712.08 518.90883 5
1
2
- (1 D )5s
D
2
1
1
2 194 435.26 514.31001 7
1
1
2
- (1 D )5s
D
2
2
1
2 195 864.72 510.55647
8
1
1
2
- (1 D )5s
D
2
1
1
2 195 866.84 510.55094
1
2
- (1 D )4d
P
2
1
2 198 015.04 505.01214 1
1
2
- (1 D )4d
P
2
1
1
2 198 093.65 504.81174 —
1
2
- (1 D )4d
D
2
1
1
2 198 550.44 503.65036 2
1
1
2
- 6s
P
4
1
1
2 199 138.53 502.16299 2
1
2
-
P
2
1
2 199 192.20 502.02769 0.5
1
1
2
- (1 D )4d
P
2
1
2 199 446.62 501.38729 0.5b
1
1
2
- (1 D )4d
P
2
1
1
2 199 525.23 501.18974 2
1
1
2
- (1 D )4d
D
2
2
1
2 199 679.84 500.80168 1
1
1
2
- 6s
P
2
1
1
2 200 032.31 499.91924 0b
1
1
2
- 5d
P
4
1
1
2 201 345.30 496.65922
0.5
1
1
2
-
F
4
2
1
2 201 351.63 496.64361
1
1
2
-
F
2
2
1
2 202 155.94 494.66763 0.5
1
2
-
D
2
1
1
2 202 985.73 492.64547 1b
1
2
-
P
2
1
2 203 083.50 492.40830 5
1
2
-
P
2
1
1
2 203 789.97 490.70128
12
1
2
- (1 D )4d
S
2
1
2 203 811.47 490.64952
1
1
2
- 5d
D
2
1
1
2 204 417.31 489.19536 8b
1
1
2
-
P
2
1
2 204 515.08 488.96150 4
1
1
2
-
D
2
2
1
2 204 585.72 488.79267 9
1
1
2
- (1 D )4d
S
2
1
2 205 243.05 487.22722 10
1
1
2
- 7s
P
4
1
1
2 207 277.43 482.44519 0.5b
1
2
- 6d
D
2
1
1
2 207 981.98 480.81089 1b
1
1
2
-
F
4
2
1
2 208 673.40 479.21776 2b
1
1
2
-
P
4
1
1
2 208 695.15 479.16782 1b
1
1
2
-
F
2
2
1
2 209 377.25 477.60681 1b
1
1
2
-
P
2
1
1
2 209 597.53 477.10486 4b
1
1
2
-
D
2
2
1
2 210 125.78 475.90543 6b
1
2
- (1 D )6s
D
2
1
1
2 211 500.82 472.81141 1b
1
1
2
- (1 D )6s
D
2
2
1
2 212 933.54 469.63010 1b
1
1
2
- (1 D )5d
D
2
2
1
2 214 667.56 465.83657 0.5b
a Estimated from photographic densities.
b Newly observed by W. Persson.