Table 1: The first two columns are explicit. The third column shows the number of SUMER data files used to compute the average intensity. The fourth column shows (in percent) the statistical standard deviation of the averaged intensity, while the fifth column shows the averaged intensity. The sixth column shows intensity values from NRLEUV. The seventh column gives, when available, values from: ¹ Wilhelm et al. (1998), observed near disk center. ² Wilhelm et al. (1998), mean intensity deduced from full Sun observation. All intensities are in mW m^-2 sr^-1.
Optically thick lines observed with SUMER

$\lambda (\AA)$ Ion N $\sigma$ (%) $I_{\rm obs}$ $I_{\rm nrleuv}$ Others

917.18 H I 50 25 16.6 16.5

918.13 H I 50 24 19.5 17.0

919.34 H I, O I 50 64 15.9 18.4

920.96 H I 50 24 21.6 18.9

921.57 O I 50 41 1.7

922.02 N IV, O I 40 35 8.5 1.0

923.21 H I, O I 31 20 32.1 22.8

924.95 O I 31 25 2.8

925.44 O I 31 28 1.4

926.24 H I, He II 31 45 26.9 24.2

926.91 O I 31 25 2.0

927.88 He II 31 58 1.7

928.47 Fe III 31 33 0.9

929.52 O I, Fe III 31 40 4.0

930.79 H I, He II 31 20 38.2 30.5

931.45 O I, O I 31 22 3.1

932.25 O I 31 30 1.0

934.70 Fe III 31 44 0.9

935.19 O I 30 37 1.6

936.63 O I 30 27 4.4

937.80 H I 30 23 59.3 48.5 37.7¹, 59.1²

938.65 O I 30 32 2.8

939.23 O I 30 25 2.4

939.84 O I 30 26 1.5

942.54 He II 30 58 3.6

945.28 C I 17 36 1.1

945.54 C I 17 25 1.2

946.20 C II 17 23 1.3

946.65 Mg II 17 14 0.7

948.68 O I 15 17 4.6

949.75 H I 15 14 83.3 82.1 59.1¹

950.73 O I 15 16 5.9

952.35 O I 15 11 1.7

952.94 O I 15 18 1.1

953.41 N I 3 14 0.7

953.66 N I 3 12 0.8

953.97 N I 3 12 0.8

958.67 He II 3 16 4.3

963.99 N I 3 6 1.6

964.63 N I 3 8 1.2

968.95 Fe III 3 8 1.2

971.72 O I 12 29 12.4

972.56 H I 12 21 208.6 169.0 136.0¹

973.23 O I 12 29 9.7

973.89 O I 12 27 4.7

977.96 O I 12 38 7.1

981.37 Fe III 12 48 5.0

983.86 Fe III 12 46 4.9

985.82 Fe III 12 45 3.3

990.19 O I 12 22 10.9

990.76 Fe III 12 27 6.5

992.36 He II 13 45 10.1

992.68 Si II 13 29 4.7

993.09 Fe III 13 43 3.2

997.09 Fe III 13 47 3.6

999.50 O I 13 26 8.6

1000.16 Ar VI 13 36 3.0

1017.28 Fe III 4 36 1.1

1017.74 Fe III 3 28 0.7

1018.28 Fe III 4 16 0.6

1025.71 H I 5 17 751.7 747.0 766.0¹

1027.41 O I 13 12 27.0

1028.16 O I 13 31 14.1

1039.22 O I 14 12 5.5

1040.94 O I 16 15 5.2

1041.69 O I 16 16 4.3

1063.85 Fe III 16 25 6.0

1064.61 Fe III 10 19 5.2

**Table 1:** The first two columns are explicit. The third column shows the number of SUMER data files used to compute the average intensity. The fourth column shows (in percent) the statistical standard deviation of the averaged intensity, while the fifth column shows the averaged intensity. The sixth column shows intensity values from NRLEUV. The seventh column gives, when available, values from: ¹ Wilhelm et al. (1998), observed near disk center. ² Wilhelm et al. (1998), mean intensity deduced from full Sun observation. All intensities are in mW m^-2 sr^-1.
Optically thick lines observed with SUMER
$\lambda (\AA)$	Ion	N	$\sigma$ (%)	$I_{\rm obs}$	$I_{\rm nrleuv}$	Others
917.18	H I	50	25	16.6	16.5
918.13	H I	50	24	19.5	17.0
919.34	H I, O I	50	64	15.9	18.4
920.96	H I	50	24	21.6	18.9
921.57	O I	50	41	1.7
922.02	N IV, O I	40	35	8.5	1.0
923.21	H I, O I	31	20	32.1	22.8
924.95	O I	31	25	2.8
925.44	O I	31	28	1.4
926.24	H I, He II	31	45	26.9	24.2
926.91	O I	31	25	2.0
927.88	He II	31	58	1.7
928.47	Fe III	31	33	0.9
929.52	O I, Fe III	31	40	4.0
930.79	H I, He II	31	20	38.2	30.5
931.45	O I, O I	31	22	3.1
932.25	O I	31	30	1.0
934.70	Fe III	31	44	0.9
935.19	O I	30	37	1.6
936.63	O I	30	27	4.4
937.80	H I	30	23	59.3	48.5	37.7¹, 59.1²
938.65	O I	30	32	2.8
939.23	O I	30	25	2.4
939.84	O I	30	26	1.5
942.54	He II	30	58	3.6
945.28	C I	17	36	1.1
945.54	C I	17	25	1.2
946.20	C II	17	23	1.3
946.65	Mg II	17	14	0.7
948.68	O I	15	17	4.6
949.75	H I	15	14	83.3	82.1	59.1¹
950.73	O I	15	16	5.9
952.35	O I	15	11	1.7
952.94	O I	15	18	1.1
953.41	N I	3	14	0.7
953.66	N I	3	12	0.8
953.97	N I	3	12	0.8
958.67	He II	3	16	4.3
963.99	N I	3	6	1.6
964.63	N I	3	8	1.2
968.95	Fe III	3	8	1.2
971.72	O I	12	29	12.4
972.56	H I	12	21	208.6	169.0	136.0¹
973.23	O I	12	29	9.7
973.89	O I	12	27	4.7
977.96	O I	12	38	7.1
981.37	Fe III	12	48	5.0
983.86	Fe III	12	46	4.9
985.82	Fe III	12	45	3.3
990.19	O I	12	22	10.9
990.76	Fe III	12	27	6.5
992.36	He II	13	45	10.1
992.68	Si II	13	29	4.7
993.09	Fe III	13	43	3.2
997.09	Fe III	13	47	3.6
999.50	O I	13	26	8.6
1000.16	Ar VI	13	36	3.0
1017.28	Fe III	4	36	1.1
1017.74	Fe III	3	28	0.7
1018.28	Fe III	4	16	0.6
1025.71	H I	5	17	751.7	747.0	766.0¹
1027.41	O I	13	12	27.0
1028.16	O I	13	31	14.1
1039.22	O I	14	12	5.5
1040.94	O I	16	15	5.2
1041.69	O I	16	16	4.3
1063.85	Fe III	16	25	6.0
1064.61	Fe III	10	19	5.2

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