Glow Starter RELCO SC480 Atlas of Emission Lines...Glow Starter RELCO SC480 Atlas of Emission Lines...
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Glow Starter RELCO SC480 Atlas of Emission Lines Recorded by the Spectrographs SQUES Echelle and DADOS Richard Walker, CH-Rifferswil [email protected] Version 5.0 05/2017
Transcript of Glow Starter RELCO SC480 Atlas of Emission Lines...Glow Starter RELCO SC480 Atlas of Emission Lines...
Glow Starter RELCO SC480 Atlas of Emission Lines 1
Glow Starter RELCO SC480
Atlas of Emission Lines
Recorded by the Spectrographs
SQUES Echelle and DADOS
Richard Walker, CH-Rifferswil
Version 5.0 05/2017
Version 1.0 September 2012
Glow Starter RELCO SC480 Atlas of Emission Lines 2
1 Calibration Light Sources for Echelle Spectrographs
Due to the split-up of the highly resolved broadband-spectrum to numerous overlapping or-ders, Echelle spectrographs require calibration light sources, producing a huge number of evaluable emission lines, which are more or less evenly distributed over the entire wave-length range, reaching from blue to red. In the professional sector, but partly also in the amateur field, mostly hollow cathode lamps with eg iron, argon or thorium are used. Such are usually quite expensive and some of these substances, released by a possible lamp break, not really harmless. In addition, a specific high voltage supply is required.
2 Low Cost Alternative
The popular neon glow lamp, particularly used in amateur circles, produces the main part of the useable emission lines in the red- or long wavelength range of the spectrum. Here it can possibly be used for the calibration of some individual orders, but it is useless for the over-all calibration of an entire Echelle spectrum.
The glass bulb of the glow starter RELCO SC480, produced by the Italian lighting manufac-turer RELCO, houses a bimetal switch and contains also strongly different portions of the noble gases He, Ne and Ar, as well as H (probably generated by dissociation of remaining water vapour within the bulb). By a simple modification of the starter these gases can be excited to produce several hundreds of evaluable emission lines. There exist also profes-sional calibration lamps, using this gas mixture.
3 Modification of the Glow Starter
With minimal electrical knowledge, this unit can, as a makeshift solution and clearly re-stricted to first indoor tests, be modified to a calibration light source by supplying it with 230V via a series resistor of about 24 kΩ. The following illustration shows my modified ver-sion with 2x47 kΩ connected in parallel. For our purposes, the capacitor, applied to prevent radio interference, can be removed. Before soldering, the oxide layer must be grinded from the connecting wires. If the switch opens and closes periodically, the value of the series resistor must be increased (up to >30kΩ). The glass bulb of the RELCO starter is so small that it may be mounted even in to the spectrograph as a fixed calibration light source. How-ever, for such applications and particularly for outdoor operation instead of a mains supply the feeding by a low power voltage inverter e.g. 12VDC/230VAC is highly recommended! Anyway all such modifications remain of course at your own risk!
Modified in such a way, the excited gases in the bulb generate some 240 evaluable emis-sion lines. Counting also those on all overlapped Echelle orders, this number increases even to approximately 370. Between the individual starters, the intensity of the hydrogen Balmer series can vary very strongly. Numerous additional lines, which are not listed here, are gen-
Glow Starter RELCO SC480 Atlas of Emission Lines 3
erated by alloying elements, coatings and dopants, such as tungsten (W), lanthanum (La), cerium (Ce), hafnium (Hf), thorium (Th), and Fe, Cr, Sn, Ni, Mn. Their identification is difficult and highly speculative, since for a given line, almost always several plausible determination options exist in the immediate vicinity.
4 Application for the Echelle Calibration (R ≈ 20'000)
Within the entire range of λλ 3888 - 8136 [Å], and distributed to 30 SQUES Echelle orders, all usable emission lines are documented in the following tables. As an absolute exception, within the order 29 (λλ 7600-7900), only two evaluable emission lines are generated by noble gases, which however are supplemented here by a striking oxygen triplet. In addition, there are still other calibration options eg with known H2O and/or O2 lines of the daylight spectrum, during the night reflected by the moon and planets.
The SQUES Echelle spectrograph produces nearly straight running orders which can be simply processed also individually and applying conventional methods, eg the Vspec or RSpec Software [25, [26]. This way the modified RELCO starter allows the quick and easy wavelength calibration for the analysis of individual, highly resolved lines. Also possible is the somewhat demanding processing and calibration of the entire spectrum with ISIS or corresponding MIDAS routines, because significantly more than the minimum required three emission lines are available here. Line pairs which appear scarcely resolved here and therefore can hardly be selectively marked with the cursor are referred with "Blend" in the tables. Lines which, due to overlapping orders, appear twice, are labelled in colour. As a supplement and with relatively high probability, in the rather sparsely populated orders 39, 40 and 43, Ti- emissions could be identified. These lines are additionally labelled with "?".
5 Application for the Broadband-Calibration (R ≈ 900/4'000)
Since neon as well as argon generate numerous and strong emission lines, the formation of many blends, particularly in the red part of low-resolution spectra, is inevitable. Neverthe-less within the entire wideband spectrum still more than sufficient isolated lines are avail-able for a reliable calibration of the wavelength axis. The corresponding commented DA-DOS profiles, recorded with 200- and 900L mm-1, are attached at the end of this document in sect. 8.
Since version 5 additionally the infrared domain is covered up to 10,000 Å. Relco SC480 generates here several Argon emissions, sufficient for a reliable calibration. The according profile was recorded by Joan Guarro Flo (E) – many thanks!
6 Hα Analysis with Conventional Grating Spectrographs
The Hα line is located within the Echelle order No 34. Here also the calibration lines, lo-cated adjacent to Hα, can be found. For the users of Lhires III and ISIS, directly adjacent to the well known neon triple λλλ 6506/6532/6598, two additional argon lines at λλ 6538.112 and 6604.853, as well as the Hα emission are available.
7 RELCO Calibration Lines and SQUES Echelle Orders (R ≈ 20'000)
The following charts and tables show the positions of the individual emission lines, distrib-uted to the orders of the SQUES Echelle spectrograph (R ≈ 20'000). These can be used eg for the calibration of the entire spectrum with ISIS or MIDAS. The appropriate wavelengths have been copied in to these tables from the “Elements” tool of Vspec. For the calibration, limited to only one individual Echelle order, the labelled profiles are applicable.
Glow Starter RELCO SC480 Atlas of Emission Lines 4
Practical Notes:
To improve the visibility of the weaker calibration lines a stronger zoom in the intensity axis is required. For the overall processing and calibration of the entire spectrum, eg with ISIS, it is recommended to select the more intense lines only. Applying different Echelle spectro-graphs with comparable or even the same grating configuration, some of the emission lines, located here at the outermost edges of the orders, may appear to be moved in the neighbouring orders. Further the line intensity, not only of the hydrogen Balmer series, is noticeably subjected to the manufacturing tolerance of the starter production.
Tip: To avoid transmission errors, the wavelength data can be copied with ctrl c from the pdf file and transferred to the Vspec calibration field with shift insert.
Glow Starter RELCO SC480 Atlas of Emission Lines 5
33
23
45
78
91
2
34
34
59
11
12
14
15
32
12
35
61
11
21
31
4
31
17
10
13
14
15
8
1
35
59
11
18
36
24
68
91
31
41
7
37
23
59
10
11
14
16
17
18
21
20
29
30
34
14
15
89
10
11
46
28
23
78
91
06
Glo
wst
art
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RE
LCO
SC
48
0 C
alib
rati
on
Lin
es
SQ
UE
S E
ch
elle
Ord
ers
28
–3
7
91
12
34
15
78
9
11
0
67
10
11
31
61
7
23
46
10
12
19
13
57
18
15
46
12
17
12
13
19
22
23
12
5
1
19
16
5
12
3
Glow Starter RELCO SC480 Atlas of Emission Lines 6
R
ELC
O S
C4
80
Glo
wst
arte
rEm
issi
on
lines
SQU
ES E
chel
leO
rder
s 2
8 –
34
28
18
13
6.4
06
Ne
28
28
11
5.3
11
Ar
28
38
10
3.6
93
Ar
28
68
05
3.3
08
Ar
28
78
01
4.7
86
Ar
28
88
00
6.1
57
Ar
28
97
94
8.1
76
Ar
28
10
78
91
.07
5A
r
34
16
71
7.0
43
Ne
34
36
68
4.2
93
Ar
34
4B
LEN
DA
r /
Ne
34
56
66
6.3
59
Ar
34
66
66
4.0
51
Ar
34
76
66
0.6
76
Ar
34
96
64
3.6
98
Ar
34
10
66
39
.74
Ar
34
11
66
38
.22
1A
r
34
12
66
04
.85
3A
r
34
13
65
98
.95
3N
e
34
14
65
62
.82
Hα
34
15
65
38
.11
2A
r
34
16
65
32
.88
2N
e
34
17
65
06
.52
8N
e
30
17
54
4.0
44
Ne
30
27
53
5.7
74
Ne
30
37
51
4.6
52
Ar
30
47
50
3.8
69
Ar
30
57
48
8.8
71
Ne
30
8B
LEN
DA
r
30
97
42
5.2
94
Ar
30
10
74
12
.33
7A
r
30
11
73
92
.98
Ar
30
14
73
83
.98
Ar
30
15
73
72
.11
8A
r
30
16
73
53
.29
3A
r
31
17
37
2.1
18
Ar
31
27
35
3.2
93
Ar
31
37
31
6.0
05
Ar
31
47
31
1.7
16
Ar
31
57
28
1.3
5H
e
31
77
27
2.9
36
Ar
31
87
26
5.1
72
Ar
31
97
24
5.1
67
Ne
31
10
72
06
.98
Ar
31
11
71
73
.93
8N
e
31
13
71
58
.83
9A
r
31
14
71
47
.04
2A
r
31
15
71
25
.82
Ar
32
17
14
7.0
42
Ar
32
27
12
5.8
2A
r
32
37
10
7.4
78
Ar
32
57
06
7.2
18
Ar
32
67
05
9.1
07
Ne
32
77
03
2.4
13
Ne
32
87
03
0.2
51
Ar
32
97
02
4.0
5N
e
32
11
69
65
.43
1A
r
32
12
69
60
.25
Ar
32
13
69
51
.47
8A
r
32
14
69
37
.66
4A
r
32
15
69
29
.46
7N
e
33
16
92
9.4
67
Ne
33
26
88
8.1
74
Ar
33
36
87
9.5
82
Ar
33
46
87
1.2
89
Ar
33
56
86
1.2
69
Ar
33
76
76
6.6
12
Ar
33
86
75
6.1
63
Ar
33
96
75
2.8
34
Ar
33
10
67
17
.04
3N
e
33
12
66
84
.29
3A
r2
91
77
75
.39
O
29
27
77
4.1
7O
29
37
77
1.9
4O
29
47
72
3.7
61
Ar
29
67
63
5.1
06
Ar
Glow Starter RELCO SC480 Atlas of Emission Lines 7
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ELC
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rEm
issi
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SQU
ES E
chel
leO
rder
s 3
5 –
37
35
16
53
8.1
12
Ar
35
26
53
2.8
82
Ne
35
36
50
6.5
28
Ne
35
46
48
3.0
82
Ar
35
56
41
6.3
07
Ar
35
66
40
2.2
46
Ar
35
96
38
4.7
17
Ar
35
10
63
82
.99
2N
e
35
11
63
69
.57
5A
r
35
12
63
34
.42
8N
e
35
18
63
07
.65
7A
r
35
19
63
04
.78
9N
e
36
16
33
4.4
28
Ne
36
26
30
7.6
57
Ar
36
36
30
4.7
89
Ne
36
46
29
6.8
72
Ar
36
56
26
6.4
95
Ne
36
66
24
3.1
2A
r
36
76
21
7.2
81
Ne
36
86
21
5.9
38
Ar
36
96
21
2.5
03
Ar
36
12
61
82
.14
6N
e
36
13
BLE
ND
Ar
36
14
61
70
.17
4A
r
36
15
61
63
.59
4N
e
36
17
61
45
.44
1A
r
36
18
61
43
.06
3N
e
36
19
61
28
.45
Ne
37
16
18
2.1
46
Ne
37
2B
LEN
DA
r
37
36
17
0.1
74
Ar
37
46
16
3.5
94
Ne
37
56
14
5.4
41
Ar
37
66
14
3.0
63
Ne
37
76
12
8.4
5N
e
37
96
11
4.9
23
Ar
37
10
61
05
.63
5A
r
37
11
60
98
.80
3A
r
37
12
60
96
.16
3N
e
37
13
60
74
.33
8N
e
37
14
60
59
.37
2A
r
37
16
60
52
.72
3A
r
37
17
60
43
.22
3A
r
37
18
60
32
.12
7A
r
37
19
60
29
.99
7N
e
37
20
60
25
.15
Ar
37
21
BLE
ND
Ne/
Ar
37
22
BLE
ND
Ne
37
23
59
65
.47
1N
e
Glow Starter RELCO SC480 Atlas of Emission Lines 8
G
low
sta
rte
rR
ELC
O S
C4
80
C
alib
rati
on
Lin
es
SQ
UE
S E
che
lle
Ord
ers
38
–4
7 40
12
10
18
20
41
13
67
10
13
42
13
10
11
43
10
13
17
18
19
20
44
13
67
10
11
45
45
16
10
14
8
46
13
81
11
61
81
45
47
45
81
01
11
21
5
14
38
12
10
13
18
19
22
24
39
13
24
7
34
59
14
16
17
20
21
23
25
24
10
12
91
9
15
12
13
14
23
12
15
71
5
4
13
29
14
6
2
5
15
3
27
6
7
25
11
Glow Starter RELCO SC480 Atlas of Emission Lines 9
R
ELC
O S
C4
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Glo
wst
arte
rEm
issi
on
line
sSQ
UES
Ech
elle
Ord
ers
38
–4
5
38
15
98
7.9
07
Ne
38
25
98
7.3
02
Ar
38
35
97
5.5
34
Ne
38
45
97
4.6
27
Ne
38
55
96
5.4
71
Ne
38
95
94
4.8
34
Ne
38
10
59
42
.66
9A
r
38
13
59
28
.81
3A
r
38
14
59
12
.08
5A
r
38
16
59
06
.42
9N
e
38
17
59
02
.46
2N
e
38
18
58
88
.58
4A
r
38
19
BLE
ND
Ne/
Ar
38
20
58
75
.62
He
38
21
58
72
.82
8N
e
38
22
58
60
.31
Ar
38
23
58
52
.48
8N
e
38
24
58
34
.26
3A
r
38
25
58
20
.15
6N
e
41
15
57
2.5
41
Ar
41
25
56
2.7
66
Ne
41
35
55
8.7
02
Ar
41
65
50
6.1
13
Ar
41
75
49
5.8
74
Ar
41
10
54
51
.65
2A
r
41
13
54
21
.35
2A
r
41
15
54
00
.56
2N
e
42
15
45
1.6
52
Ar
42
35
42
1.3
52
Ar
42
55
40
0.5
62
Ne
42
10
53
43
.28
3N
e
42
11
53
41
.09
4N
e
42
12
53
30
.77
8N
e
44
15
18
7.7
46
Ar
44
35
16
5.7
73
Ar
44
45
16
2.2
85
Ar
44
55
15
1.3
91
Ar
44
6B
LEN
DN
e/A
r
44
75
14
1.7
83
Ar
44
10
50
90
.49
5A
r
44
11
50
62
.03
7A
r
44
12
50
47
.74
He
44
13
50
37
.75
1N
e
44
14
50
17
.16
3A
r
44
15
50
15
.67
8H
e
45
15
06
2.0
37
Ar
45
25
04
7.7
4H
e
45
35
03
7.7
51
Ne
45
65
01
7.1
63
Ar
45
75
01
5.6
78
He
45
85
00
9.3
34
Ar
45
10
49
65
.08
Ar
45
14
49
33
.20
9A
r
45
15
49
21
.93
1H
e
39
15
86
0.3
1A
r
39
25
85
2.4
88
Ne
39
35
83
4.2
63
Ar
39
45
82
0.1
56
Ne
39
75
80
4.4
5N
e
39
10
57
64
.41
9N
e
39
12
57
48
.29
8N
e
39
24
57
39
.52
Ar
39
25
57
19
.22
5N
e
39
27
56
89
.47
Ti ?
40
65
68
9.4
7Ti
?
40
95
65
6.6
59
Ne
40
10
56
50
.70
4A
r
40
12
56
06
.73
3A
r
40
18
55
72
.54
1A
r
40
19
55
62
.76
6N
e
40
20
55
58
.70
2A
r
43
75
25
2.1
1Ti
?
43
10
52
21
.27
1A
r
43
11
52
16
.81
4A
r
43
13
51
87
.74
6A
r
43
14
BLE
ND
Ar
43
17
51
62
.28
5A
r
43
18
51
51
.39
1A
r
43
19
BLE
ND
Ne/
Ar
43
20
51
41
.78
3A
r
Glow Starter RELCO SC480 Atlas of Emission Lines 10
REL
CO
SC
48
0 G
low
star
ter
Emis
sio
nlin
esSQ
UES
Ech
elle
Ord
ers
46
–4
7
46
14
96
5.0
8A
r
46
34
93
3.2
09
Ar
46
44
92
1.9
31
He
46
54
90
4.7
52
Ar
46
84
88
9.0
42
Ar
46
11
48
79
.86
4A
r
46
14
48
65
.91
Ar
46
15
48
61
.33
Hβ
46
16
48
47
.81
Ar
46
18
48
06
.02
Ar
47
24
86
5.9
1A
r
47
34
86
1.3
3Hβ
47
44
84
7.8
1A
r
47
54
80
6.0
2A
r
47
64
78
8.9
27
Ne
47
84
76
4.8
65
Ar
47
94
75
2.7
32
Ne
47
10
47
35
.90
6A
r
47
11
47
32
.05
3A
r
47
12
47
26
.86
8A
r
47
13
47
21
.59
1A
r
47
14
47
13
.14
6H
e
47
15
47
02
.31
6A
r
Glow Starter RELCO SC480 Atlas of Emission Lines 11
50
12
46
91
01
25
13
14
15
16
51
21
12
45
67
89
11
12
13
14
15
16
17
18
19
20
22
52
14
91
01
11
31
53
45
67
81
16
17
19
20
21
22
53
54
12
45
67
89
10
13
14
15
16
56
78
91
01
11
2
55
56
12
48
91
01
11
21
31
4
23
45
67
91
01
11
31
51
57
23
56
89
10
48
13
45
79
14
10
49
12
47
68
10
14
12
13
Glo
wst
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0 C
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es
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UE
S E
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Ord
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48
–5
7
28
6
3
11
11
11
3
67
16
14
8
14
71
1
12
10
23
18
2
11
12
17
13
42
15
3
3
Glow Starter RELCO SC480 Atlas of Emission Lines 12
R
ELC
O S
C4
80
Glo
wst
arte
rEm
issi
on
line
sSQ
UES
Ech
elle
Ord
ers
48
–5
1
48
14
76
4.8
65
Ar
48
24
75
2.7
32
Ne
48
34
73
5.9
06
Ar
48
44
73
2.0
53
Ar
48
54
72
6.8
68
Ar
48
64
72
1.5
91
Ar
48
74
71
3.1
46
He
48
84
70
2.3
16
Ar
48
94
65
7.9
01
Ar
48
10
46
37
.23
3A
r
48
11
46
28
.44
1A
r
48
14
46
09
.56
7A
r
49
14
65
7.9
01
Ar
49
24
63
7.2
33
Ar
49
34
62
8.4
41
Ar
49
44
60
9.5
67
Ar
49
64
59
6.0
97
Ar
49
74
58
9.8
98
Ar
49
84
57
9.3
5A
r
49
10
45
45
.05
2A
r
49
11
45
37
.75
4N
e
49
12
45
30
.55
2A
r
49
13
45
22
.32
3A
r
49
14
45
10
.73
3A
r
51
14
48
1.8
11
Ar
51
24
47
4.7
59
Ar
51
34
47
1.4
79
He
51
44
44
8.8
79
Ar
51
54
43
9.4
61
Ar
51
64
43
3.8
38
Ar
51
74
43
0.1
89
Ar
51
84
42
6.0
01
Ar
51
94
40
0.9
86
Ar
51
10
44
00
.09
7A
r
51
11
43
85
.05
7A
r
51
12
43
79
.66
7A
r
51
13
43
75
.95
4A
r
51
14
BLE
ND
Ar
51
15
43
67
.83
2A
r
51
16
43
62
.06
6A
r
51
17
43
52
.20
5A
r
51
18
43
48
.06
4A
r
51
19
43
45
.16
8A
r
51
20
43
35
.33
8A
r
51
21
43
33
.56
1A
r
51
22
43
31
.2A
r
50
14
57
9.3
5A
r
50
24
54
5.0
52
Ar
50
34
53
7.7
54
Ne
50
44
53
0.5
52
Ar
50
54
52
2.3
23
Ar
50
64
51
0.7
33
Ar
50
94
48
1.8
11
Ar
50
10
44
74
.75
9A
r
50
11
44
71
.47
9H
e
50
12
44
48
.87
9A
r
50
13
44
39
.46
1A
r
50
14
44
33
.83
8A
r
50
15
44
30
.18
9A
r
50
16
44
26
.00
1A
r
Glow Starter RELCO SC480 Atlas of Emission Lines 13
R
ELC
O S
C4
80
Glo
wst
arte
rEm
issi
on
lines
SQU
ES E
chel
leO
rder
s 5
2 –
55
52
14
40
0.9
86
Ar
52
24
40
0.0
97
Ar
52
34
38
5.0
57
Ar
52
44
37
9.6
67
Ar
52
54
37
5.9
54
Ar
52
6B
LEN
DA
r
52
74
36
7.8
32
Ar
52
84
36
2.0
66
Ar
52
94
35
2.2
05
Ar
52
10
43
48
.06
4A
r
52
11
43
45
.16
8A
r
52
13
43
35
.33
8A
r
52
14
43
33
.56
1A
r
52
15
43
31
.2A
r
52
16
43
09
.23
9A
r
52
17
43
00
.10
1A
r
52
18
42
82
.89
8A
r
52
19
42
77
.52
8A
r
52
20
42
72
.16
9A
r
52
21
42
66
.28
6A
r
52
22
42
59
.36
2A
r
52
23
42
51
.18
5A
r
54
14
23
7.2
2A
r
54
24
22
8.1
58
Ar
54
34
22
6.9
88
Ar
54
44
22
2.6
37
Ar
54
54
20
0.6
74
Ar
54
64
19
8.3
17
Ar
54
7B
LEN
DA
r/H
f
54
84
18
1.8
84
Ar
54
94
16
4.1
8A
r
54
10
41
58
.59
Ar
54
11
41
31
.72
4A
r
54
12
41
03
.91
2A
r
55
14
15
8.5
9A
r
55
24
13
1.7
24
Ar
55
44
10
3.9
12
Ar
55
64
08
2.3
87
Ar
55
74
07
9.5
74
Ar
55
8B
LEN
DA
r/?
55
9B
LEN
DA
r/A
r
55
10
40
52
.92
1A
r
55
11
40
44
.41
8A
r
55
12
40
42
.89
4A
r
55
13
40
35
.46
Ar
55
14
40
33
.80
9A
r
55
15
40
26
.36
He
55
16
40
13
.85
7A
r
53
14
30
9.2
39
Ar
53
24
30
0.1
01
Ar
53
34
28
2.8
98
Ar
53
44
27
7.5
28
Ar
53
54
27
2.1
69
Ar
53
64
26
6.2
86
Ar
53
74
25
9.3
62
Ar
53
84
25
1.1
85
Ar
53
94
23
7.2
2A
r
53
10
42
28
.15
8A
r
53
11
42
26
.98
8A
r
53
12
42
22
.63
7A
r
53
13
42
00
.67
4A
r
53
14
41
98
.31
7A
r
53
15
BLE
ND
Ar/
Hf
53
16
41
81
.88
4A
r
53
17
41
64
.18
Ar
Glow Starter RELCO SC480 Atlas of Emission Lines 14
R
ELC
O S
C4
80
Glo
wst
arte
rEm
issi
on
lines
SQU
ES E
chel
leO
rder
s 5
6 –
57
56
1B
LEN
DA
r/?
56
2B
LEN
DA
r/A
r
56
34
05
2.9
21
Ar
56
44
04
4.4
18
Ar
56
54
04
2.8
94
Ar
56
64
03
5.4
6A
r
56
74
03
3.8
09
Ar
56
84
02
6.3
6H
e
56
94
01
3.8
57
Ar
56
10
39
94
.79
2A
r
56
11
39
79
.35
6A
r
56
12
39
64
.72
9H
e
56
13
39
48
.97
9A
r
56
14
39
47
.50
5A
r
56
15
39
46
.09
7A
r
57
14
01
3.8
57
Ar
57
23
99
4.7
92
Ar
57
33
97
9.3
56
Ar
57
43
96
4.7
29
He
57
53
94
8.9
79
Ar
57
63
94
7.5
05
Ar
57
73
94
6.0
97
Ar
57
83
93
2.5
47
Ar
57
93
92
8.6
23
Ar
57
10
39
25
.71
9A
r
57
11
38
88
.65
He
Glow Starter RELCO SC480 Atlas of Emission Lines 15
31
29
30
28 32
Ne 8136.406
Ar 8115.311
Ar 8103.693
Ar 8053.308
Ar 8014.786
Ar 8006.157
Ar 7948.176
Ar 7891.075
Ar 7723.761
Ar 7635.106
Ne 7544.044
Ne 7535.774
Ar 7514.652
Ar 7503.869
Ne 7488.871
BLEND
Ar 7425.294
Ar 7412.337
Ar 7392.98
Ar 7383.98
Ar 7372.118
Ar 7372.118
Ar 7353.293
Ar 7311.716
Ar 7272.936
Ar 7316.005
Ar 7206.98
Ar 7265.172
Ne 7173.938
Ar 7158.839
Ne 7245.167
Ar 7147.042
Ar 7125.82
Ar 7147.042
Ar 7125.82
Ar 7107.478
Ar 7067.218
Ne 7059.107
Ne 7032.413
Ar 7030.251Ne 7024.05
Ar 6965.431
Ar 6960.25
Ar 6951.478
Ar 6937.664
Ne 6929.467
Ar 7353.293
He 7281.35
O 7771.94
O 7774.17O 7775.39
Glow Starter RELCO SC480 Atlas of Emission Lines 16
36
34
35
33 37
Ar 6888.174
Ne 6929.467
Ar 6879.582
Ar 6871.289
Ar 6861.269
Ar 6766.612
Ar 6756.163
Ar 6752.834
Ne 6717.043
Ar 6684.293
Ar 6684.293
Ne 6717.043
BLEND
Ar 6666.359 Ar 6664.051
Ar 6660.676
Ar 6643.698 Ar 6639.74 Ar 6638.221
Ar 6604.853
Ne 6598.953
Hα 6562.82
Ar 6538.112
Ne 6532.882
Ne 6506.528
Ar 6538.112
Ne 6532.882
Ne 6506.528
Ar 6483.082
Ar 6416.307
Ar 6402.246
Ar 6384.717
Ne 6382.992
Ar 6369.575
Ne 6334.428
Ar 6307.657
Ne 6304.789
Ne 6334.428
Ar 6307.657
Ne 6304.789 Ar 6296.872
Ne 6266.495
Ar 6243.12
Ne 6217.281
Ar 6212.503
Ne 6182.146
BLEND
Ar 6170.174
Ne 6163.594
Ar 6145.441
Ne 6143.063
Ne 6128.45
Ne 6182.146
BLENDAr 6170.174
Ne 6163.594
Ar 6145.441
Ne 6143.063
Ne 6128.45
Ar 6114.923
Ar 6105.635
Ar 6098.803
Ne 6096.163
Ar 6059.372
Ar 6043.223
Ar 6032.127
Ne 6029.997 Ar 6025.15
BLEND
BLEND
Ne 5965.471
Ne 6074.338
Ar 6052.723
Glow Starter RELCO SC480 Atlas of Emission Lines 17
41
39
40
38 42
Ar 5965.471
Ne 5944.834
Ar 5942.669
Ne 5987.907 Ar 5987.302
Ar 5975.534
Ar 5974.627
Ar 5928.813
Ar 5912.085
Ne 5906.429 Ne 5902.462
Ar 5888.584
BLEND
He 5875.62
Ne 5872.828
Ar 5860.31
Ne 5852.488
Ar 5834.263
Ne 5820.156
Ar 5860.31
Ne 5852.488
Ar 5834.263
Ne 5820.156
Ne 5804.45
Ne 5764.419
Ne 5748.298
Ar 5739.52
Ne 5656.659 Ar 5650.704
Ar 5606.733
Ar 5572.541
Ne 5562.766
Ar 5558.702
Ar 5572.541
Ne 5562.766
Ar 5558.702
Ar 5506.113
Ar 5495.874
Ar 5451.652
Ar 5421.352
Ne 5400.562
Ar 5451.652
Ar 5421.352
Ne 5400.562
Ne 5343.283
Ne 5341.094
Ne 5330.778
Ti 5689.47 ?
Ti 5689.47 ?
Glow Starter RELCO SC480 Atlas of Emission Lines 18
46
44
45
43 47
Ar 5221.271
Ar 5187.746
Ar 5162.285
Ar 5151.391
BLEND
Ar 5141.783
BLEND
Ar 5162.285
Ar 5151.391
BLEND
Ar 5141.783
BLEND
Ar 5187.746
Ar 5090.495
Ar 5062.037
He 5047.74
Ne 5037.751
Ar 5017.163
He 5015.678
Ar 5062.037
He 5047.74
Ne 5037.751
Ar 5017.163
He 5015.678
Ar 5009.334
Ar 4965.08
Ar 4933.209
He 4921.931
Ar 4965.08
Ar 4933.209
He 4921.931
Ar 4904.752
Ar 4889.042
Ar 4879.864
Ar 4847.81
Ar 4806.02
Ar 4865.91
Ar 4847.81
Ar 4806.02
Ar 4865.91
Ne 4788.927
Ar 4764.865
Ar 4735.906
Ar 4726.868
Ne 4752.732
Ar 4732.053
Ar 4721.591
He 4713.146
Ar 4702.316
Hβ 4861.33
Hβ 4861.33
Ti 5252.11?
Ar 5216.814
Glow Starter RELCO SC480 Atlas of Emission Lines 19
51
49
50
48
52
Ar 4764.865
Ar 4735.906
Ar 4726.868
Ne 4752.732
Ar 4732.053
Ar 4721.591
He 4713.146
Ar 4702.316
Ar 4657.901
Ar 4637.233
Ar 4628.441
Ar 4609.567
Ar 4657.901
Ar 4637.233
Ar 4628.441
Ar 4609.567
Ar 4596.097 Ar 4589.898
Ar 4579.35
Ar 4545.052
Ne 4537.754
Ar 4530.552
Ar 4522.323
Ar 4510.733
Ar 4579.35
Ar 4545.052
Ne 4537.754
Ar 4530.552
Ar 4522.323
Ar 4510.733
Ar 4481.811
Ar 4474.759 He 4471.479
Ar 4448.879
Ar 4439.461
Ar 4433.838
Ar 4430.189
Ar 4426.001
Ar 4481.811
Ar 4474.759 He 4471.479
Ar 4448.879
Ar 4439.461
Ar 4433.838
Ar 4430.189
Ar 4426.001
Ar 4400.986
Ar 4400.097
Ar 4385.057
Ar 4379.667
Ar 4375.954
BLEND
Ar 4367.832
Ar 4348.064
Ar 4345.168
Ar 4331.2 Ar 4333.561
Ar 4335.338
Ar 4362.066
Ar 4352.205
Ar 4400.986 Ar 4400.097
Ar 4385.057
Ar 4379.667
Ar 4375.954
BLEND
Ar 4367.832
Ar 4348.064
Ar 4345.168
Ar 4331.2 Ar 4333.561
Ar 4335.338
Ar 4362.066
Ar 4352.205
Ar 4309.239
Ar 4300.101
Ar 4277.528
Ar 4272.169
Ar 4266.286
Ar 4259.362
Ar 4251.185
Ar 4282.898
Hγ
Hγ
Glow Starter RELCO SC480 Atlas of Emission Lines 20
56
54
55
53
57
Ar 4309.239
Ar 4300.101
Ar 4277.528
Ar 4272.169
Ar 4266.286
Ar 4259.362
Ar 4251.185
Ar 4282.898
Ar 4237.22
Ar 4228.158 Ar 4226.988
Ar 4222.637
Ar 4200.674
Ar 4198.317
BLEND
Ar 4181.884
Ar 4164.18
Ar 4228.158Ar 4226.988
Ar 4222.637
Ar 4237.22
Ar 4200.674
Ar 4198.317
BLEND
Ar 4181.884
Ar 4164.18
Ar 4158.59
Ar 4131.724
Ar 4103.912
Ar 4158.59
Ar 4131.724
Ar 4103.912
Ar 4082.387
Ar 4079.574 BLEND
BLEND
Ar 4052.921
Ar 4044.418
Ar 4042.894
Ar 4013.857
Ar 4035.46
Ar 4033.809
Ar 4079.574 BLEND
BLEND
Ar 4052.921
Ar 4044.418
Ar 4042.894
Ar 4013.857
Ar 4035.46
Ar 4033.809
He 4026.191
He 4026.191
Ar 3994.792
Ar 3979.356
Ar 3948.979
Ar 3946.097
Ar 3947.505
He 3964.729
Ar 4013.857
Ar 3994.792
Ar 3979.356
Ar 3948.979
Ar 3946.097
Ar 3947.505
He 3964.729
Ar 3932.547
Ar 3928.623
Ar 3925.719
He 3888.65
Glow Starter RELCO SC480 Atlas of Emission Lines 21
8 Relco Broadband-Calibration Lines (R ≈ 900 / 4'000)
The following tables show the Relco calibration lines for resolutions of R ≈ 900 and ≈ 4,000. Only those emissions are labelled here, which are suitable for the calibration of a spectral profile. The profile for the infrared domain was recorded by Joan Guarro Flo (E) with a resolution of R ≈ 1300.
Glow Starter RELCO SC480 Atlas of Emission Lines 22
REL
CO
SC
48
0 E
mis
sio
n L
ines
DA
DO
S S
pe
ctr
og
rap
h2
00
L m
m-1
R ≈
80
0
©R
ich
ard
Wa
lke
r 2
01
2/0
9
Ar 6965.43
Ar 6871.29
Ar 6752.83
Hα 6562.85
Ar 5606.73
Ar 5495.87
Ar 4965.08
Ar 4806.02Ar 4764.87
Ar 4657.9Ar 4609.57
Ar 4545.05Ar 4510.73
Blend
Blend
Ar 4277.53
Ar 4200.67Ar 4158.59
Ar 4072.0
Ar 4426.00
Ar 7067.22Ar 7147.04
Ar 4131.72
Ar 4300.1
Blend
Blend
Blend
Blend
Blend
Blend
Ar 3946.1Blend
Ar 3850.58
Ar 5558.70
Ne 5764.41
Ne 5852.48Blend
Blend
Blend
Blend
Ne 6074.34Ne 6096.16
Ne 6143.06Ne 6163.59
Ne 6217.28Ne 6266.49
Ne 6304.79Ne 6334.43
Ne 6402.25Ne 6382.99
Ne 6506.53Ne 6532.88
Ne 6598.95
Ar 6677.28Ne 6717.043
Blend
Blends
Blend
Ne 5400.56
Ar 5187.74
Ne 6929.47
Ar 4879.86
Glow Starter RELCO SC480 Atlas of Emission Lines 23
R
ELC
O S
C4
80
Em
issi
on
Lin
es
DA
DO
S S
pe
ctr
og
rap
h9
00
L m
m-1
R ≈
40
00
©R
ich
ard
Wa
lke
r 2
01
3/0
6
Ar 5606.73
Ar 4965.08
Ar 4806.02
Ar 4764.87
Ar 4657.9
Ar 4545.05
Ar 4510.73
Blend
Ar 4277.53
Ar 4158.59
Ar 4072.0
Ar 4448.88
Ar 4131.72
Ar 4300.1
Blend
Ar 3850.58
Ar 5558.70
Ne 5764.41
Ne 5852.49
Blend
Ne 6074.34Ne 6096.16
Ne 6143.06Ne 6163.59
Ne 6217.28
Ne 6266.5
Ne 6304.79
Ar 4879.86
Ar 3979.36
Ar 4013.86
Ar 4103.91
Ar 4052.92
Ar 4200.67
Ar 4259.36Ar 4237.22
Ar 4400.99Blends
Ar 4481.81
Ar 4579.35
Ar 4609.57Ar 4637.23
Ar 4702.32
Ar 4847.81
He 4921.93Ar 4933.21
Blend Ne 5037.75
Ar 5062.03
Ar 5090.5
Ar 5187.75Ar 5162.29
Ar 5221.27
Ne 5330.78
Ne 5400.56
Ne 5330.78
Ar 5400.56
Ar 5187.75Ar 5162.29
Ar 5221.27
Blend
Blend Ne 5037.75Ar 5062.03
Ar 5090.5
Ar 4965.08
Ar 4879.86
He 4921.93Ar 4933.21
Ar 4806.02
Ar 4764.87
Ar 4847.81
Ne 5421.35
Ar 5451.65
Ar 5495.87
Ar 5739.52
Ar 5572.54
Ar 5650.70
Ne 5820.15
He 5875.62
Ar 5912.08
Ne 5944.83
Blend
Ar 6114.92
Blend
Blend
Glow Starter RELCO SC480 Atlas of Emission Lines 24
REL
CO
SC
48
0 E
mis
sio
n L
ine
sD
AD
OS
Sp
ectr
og
rap
h9
00
L m
m-1
R ≈
40
00
©R
ich
ard
Wa
lke
r 2
01
3/0
6
Ar 6965.43
Ar 6871.29
Ar 6752.83
Hα 6562.85
Ar 7067.22
Ar 7147.04
Blend
Ne 6506.53Ne 6532.88
Ne 6598.95
Ar 6677.28
Ne 6717.04
Blend
Blend
Ne 6929.47
Ne 5852.49
Ne 6074.34Ne 6096.16
Ne 6143.06Ne 6163.59
Ne 6217.28
Ne 6266.5
Ne 6304.79
He 5875.62
Ar 5912.08
Ne 5944.83
Blend
Ar 6114.92
Ne 6334.43
Ar 6402.24Ar 6416.30
Ne 7032.41
Ar 7206.98
Ne 7245.17
Ar 7272.94Ar 7353.29Ar 7372.12
Ar 7383.98
Ne 7535.77
Blend
Ar 7635.11
Ar 7723.76
Ar 7948.18
Ar 7891.08
Blend
Glow Starter RELCO SC480 Atlas of Emission Lines 25
Ar 9224.50
Ar 7383.98
Ar 9354.22
Ar 9784.50
Ar 9657.79
Ar 8667.94
Ar Blend
Ar 9122.97
Ar 8521.44
Ar Blend
Ar 8264.52
Ar 7948.18
Ar 7635.11
Ar Blend
Ar 6965.43
Ar 7067.22
Ar Blend
Ar 7723.76
Ar 7272.94
Ar 7147.04
RE
LCO
S
C4
80
: E
mis
sio
n L
ine
sin
th
eIn
fra
red
Do
ma
in
Re
co
rde
db
yJo
an
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Glow Starter RELCO SC480 Atlas of Emission Lines 26
9 Literature and Internet Links
[1] Richard Walker: Spectral Atlas for Amateur Astronomers, A Guide to the Spectra of Astronomical Objects and Terrestrial Light Sources, Cambridge University Press 2017
https://www.cambridge.org/core/books/spectral-atlas-for-amateur-astronomers/32126CD730EBA49238F9318C16B90523
[2] Marc Trypsteen, Richard Walker: Spectroscopy for Amateur Astronomers, Recording, Processing, Analysis and Interpretation, Cambridge University Press 2017
https://www.cambridge.org/core/books/spectroscopy-for-amateur-astronomers/8723E6F224E339B5A94966C5D0F19A20
Presentation of the books by Marc Trypsteen:
https://www.docdroid.net/7cGnKxA/-spectroscopiedag-2016-twin-book-project-door-marc-
trypsteen.pdf.html
The following scripts on the subject (some of them in German only) are downloadable under this link:
http://www.ursusmajor.ch/astrospektroskopie/richard-walkers-page/index.html
[10] Atomic Emission Spectroscopy with Spark- or Arc Excitation, Experiments with the DADOS
Spectrograph and Simple Makeshift Tools
[11] Kalibrierung von Spektren mit dem Glimmstarter ST 111 von OSRAM
[12] Speisung von Glimmlampen mit niedriger Gleichspannung
Internet Links
Spectrographs:
[20] SQUES Echelle Spectrograph, Eagleowloptics Switzerland, http://www.eagleowloptics.com/
[21] DADOS Spectrograph, Baader Planetarium, Germany: http://www.baader-planetarium.com/pdf_download.htm
[22] Shelyak Instruments: http://www.shelyak.com/
[23] SBIG Spectrograph DSS-7, http://ftp.sbig.com/dss7/dss7.htm
Spectrographic software:
[24] IRIS / ISIS: Webpage of Christian Buil http://www.astrosurf.com/buil/
[25] Vspec: Webpage of Valerie Désnoux http://astrosurf.com/vdesnoux/
[26] RSpec: Webpage of Tom Field http://www.rspec-astro.com/
[27] MIDAS, ESO http://www.eso.org/sci/software/esomidas//
Database:
[28] NIST Atomic Spectra Database: http://physics.nist.gov/PhysRefData/ASD/lines_form.html
[29] Spectral Atlas Central NOAO, Linienatlas der Kalibrierlichtquellen http://www.noao.edu/kpno/specatlas/
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