Table 6: Comparison of effective collision strengths ( $\Upsilon$ ) for some transitions of Fe X. ( $a \pm b \equiv a\times 10^{{\pm }b}$ .)
Transition Tayal (2001) Pelan & Berrington (2001) Present results

Temperature (log $T_{\rm e}$ , K) Temperature (log $T_{\rm e}$ , K) Temperature (log $T_{\rm e}$ , K)

i j 5.40 6.00 6.60 5.40 6.00 6.60 5.40 6.00 6.60

1 2 2.232 1.130 0.494 2.970-0 1.790-0 7.300-1 3.118-0 1.813-0 7.392-1

1 3 0.753 0.647 0.667 7.939-1 5.133-1 4.008-1 1.202-0 8.902-1 7.444-1

1 4 0.368 0.162 0.067 1.742-1 1.045-1 5.222-2 5.863-1 2.293-1 8.620-2

1 5 0.475 0.218 0.093 2.389-1 1.468-1 7.492-2 9.143-1 3.424-1 1.263-1

1 6 0.234 0.100 0.040 9.933-2 5.968-2 2.979-2 2.943-1 1.148-1 4.448-2

1 7 0.103 0.044 0.017 4.176-2 2.500-2 1.215-2 1.967-1 7.060-2 2.430-2

1 9 0.143 0.064 0.026 1.702-1 1.036-1 5.142-2 4.370-1 2.224-1 8.621-2

1 8 0.273 0.129 0.053 7.151-2 4.285-2 2.321-2 1.505-1 7.076-2 2.873-2

1 10 0.219 0.098 0.039 1.281-1 7.439-2 3.679-2 2.176-1 1.071-1 4.622-2

1 11 0.156 0.071 0.031 8.460-2 4.880-2 2.392-2 1.343-1 6.965-2 3.282-2

1 12 0.118 0.055 0.025 1.132-1 7.286-2 4.108-2 2.316-1 1.242-1 5.329-2

1 13 0.253 0.124 0.066 6.973-2 4.195-2 1.989-2 3.655-1 1.997-1 8.948-2

1 14 0.213 0.117 0.075 7.923-2 5.739-2 2.952-2 3.221-1 1.802-1 9.809-2

1 15 0.070 0.036 0.023 9.438-2 5.733-2 3.106-2 6.069-2 3.666-2 2.312-2

1 16 0.131 0.058 0.024 5.434-2 3.293-2 2.400-2 1.338-1 6.642-2 2.565-2

1 17 0.230 0.117 0.062 1.343-1 9.302-2 6.585-2 6.413-1 3.457-1 1.418-1

1 18 0.387 0.167 0.081 1.351-1 9.067-2 6.485-2 6.437-1 2.965-1 1.316-1

1 19 0.267 0.135 0.118 1.619-1 9.527-2 6.761-2 3.754-1 1.914-1 7.929-2

1 20 1.627-1 1.100-1 8.230-2 5.610-1 2.523-1 1.218-1

1 21 1.177-1 6.502-2 2.889-2 2.794-1 1.210-1 4.433-2

1 22 0.197 0.088 0.044 1.101-1 6.217-2 3.300-2 3.002-1 1.321-1 5.597-2

1 23 0.236 0.102 0.057 1.045-1 6.480-2 4.470-2 1.804-1 9.901-2 6.153-2

1 24 0.288 0.126 0.073 1.288-1 8.221-2 6.221-2 2.194-1 1.040-1 6.415-2

1 25 0.152 0.080 0.063 5.803-2 4.534-2 3.937-2 2.045-1 9.789-2 6.087-2

1 26 0.217 0.092 0.054 5.941-2 4.350-2 4.242-2 1.326-1 6.780-2 4.115-2

1 27 1.709 2.003 2.763 1.908-0 1.933-0 1.950-0 1.887-0 2.080-0 2.649-0

1 28 3.360 3.847 5.286 3.856-0 3.934-0 4.018-0 4.081-0 4.224-0 5.337-0

1 29 0.494 0.511 0.681 4.783-1 4.924-1 5.608-1 5.618-1 5.518-1 6.788-1

1 30 5.628 6.650 9.217 6.805-0 7.032-0 7.171-0 6.476-0 7.259-0 9.355-0

1 31 0.322 0.292 0.363 2.161-1 2.274-1 2.690-1 1.909-1 1.987-1 2.406-1

2 3 0.380 0.340 0.356 3.508-1 2.481-1 2.039-1 5.769-1 4.661-1 3.953-1

2 4 0.164 0.066 0.025 5.955-2 3.416-2 1.662-2 4.003-1 1.305-1 4.159-2

2 5 0.160 0.062 0.022 5.393-2 2.842-2 1.270-2 1.808-1 6.708-2 2.292-2

2 6 0.125 0.054 0.022 5.324-2 3.237-2 1.627-2 1.319-1 5.434-2 2.181-2

2 7 0.067 0.031 0.013 3.206-2 2.058-2 1.077-2 8.254-2 3.457-2 1.445-2

2 8 0.087 0.039 0.016 2.919-2 1.508-2 6.590-3 4.530-2 1.960-2 7.596-3

2 9 0.074 0.036 0.021 3.117-2 2.159-2 1.185-2 6.843-2 3.856-2 2.489-2

2 10 0.102 0.048 0.020 4.983-2 2.856-2 1.362-2 7.923-2 3.996-2 1.648-2

2 11 0.084 0.041 0.017 5.393-2 3.136-2 1.508-2 7.515-2 3.934-2 1.724-2

2 12 0.059 0.028 0.011 7.865-2 4.837-2 2.264-2 1.955-1 9.893-2 4.189-2

2 13 0.140 0.070 0.035 4.683-2 2.706-2 1.835-2 2.194-1 1.108-1 4.292-2

2 14 0.099 0.049 0.031 3.081-2 1.936-2 9.344-3 2.018-1 9.542-2 3.901-2

2 15 0.035 0.018 0.010 3.601-2 2.157-2 1.060-2 2.118-2 1.356-2 8.386-3

2 16 0.090 0.045 0.020 5.164-2 3.272-2 2.405-2 1.598-1 7.657-2 2.840-2

2 17 0.081 0.035 0.015 4.712-2 2.662-2 1.277-2 1.053-1 5.557-2 2.432-2

2 18 0.118 0.053 0.027 8.664-2 4.518-2 2.053-2 1.398-1 5.981-2 2.052-2

2 19 0.171 0.093 0.050 7.566-2 5.034-2 3.169-2 1.537-1 8.785-2 4.327-2

2 20 9.240-2 5.633-2 2.808-2 3.740-1 1.291-1 4.635-2

2 21 1.118-1 7.448-2 5.606-2 1.966-1 1.058-1 6.798-2

2 22 0.152 0.066 0.032 8.446-2 5.010-2 2.847-2 2.931-1 1.551-1 6.390-2

2 23 0.122 0.053 0.033 6.416-2 3.916-2 3.245-2 1.223-1 6.197-2 3.494-2

2 24 0.125 0.054 0.029 6.110-2 4.136-2 3.164-2 7.865-2 4.544-2 2.991-2

2 25 0.093 0.036 0.016 3.808-2 2.613-2 1.251-2 3.966-2 2.529-2 1.879-2

2 26 0.122 0.054 0.028 4.474-2 3.155-2 2.069-2 1.486-1 6.576-2 3.106-2

2 27 0.624 0.715 0.958 6.641-1 6.714-1 7.446-1 6.783-1 7.521-1 9.556-1

2 28 0.274 0.224 0.263 1.400-1 1.393-1 1.828-1 1.552-1 1.291-1 1.438-1

2 29 1.337 1.550 2.136 1.520-0 1.548-0 1.549-0 1.418-0 1.610-0 2.080-0

2 30 0.130 0.053 0.024 2.923-2 2.191-2 1.624-2 6.315-2 3.047-2 1.874-2

2 31 3.545 4.185 5.811 4.289-0 4.431-0 4.500-0 4.056-0 4.625-0 5.977-0

3 4 0.082 0.031 0.010 7.320-2 3.511-2 1.180-2 1.352-1 5.156-2 1.576-2

3 5 0.095 0.036 0.011 7.490-2 3.613-2 1.232-2 1.206-1 4.800-2 1.508-2

3 6 0.062 0.023 0.007 5.718-2 2.846-2 9.616-3 1.059-1 3.802-2 1.137-2

3 7 0.032 0.013 0.004 3.368-2 1.877-2 6.472-3 5.473-2 2.008-2 5.993-3

3 8 0.024 0.008 0.002 4.523-2 1.926-2 5.966-3 4.152-2 1.754-2 5.298-3

3 9 0.076 0.031 0.009 1.418-1 7.953-2 2.662-2 6.101-2 2.742-2 8.571-3

3 10 0.020 0.008 0.002 4.355-2 1.893-2 5.838-3 4.211-2 1.767-2 5.250-3

3 11 0.016 0.007 0.003 3.996-2 1.757-2 5.655-3 3.980-2 1.753-2 5.573-3

3 12 0.020 0.010 0.006 1.864-1 1.074-1 3.684-2 6.341-2 3.089-2 1.059-2

3 13 0.119 0.050 0.015 5.186-2 2.452-2 8.010-3 7.875-2 3.642-2 1.196-2

3 14 0.069 0.034 0.016 6.553-2 3.666-2 1.323-2 9.052-2 4.928-2 2.107-2

3 15 0.023 0.010 0.003 7.676-2 3.946-2 1.414-2 1.522-2 6.707-3 2.063-3

3 16 0.046 0.020 0.007 5.784-2 3.379-2 1.321-2 4.264-2 2.001-2 6.523-3

3 17 0.055 0.026 0.012 8.582-2 4.626-2 1.927-2 1.141-1 5.648-2 2.378-2

3 18 0.036 0.014 0.005 8.799-2 4.168-2 1.433-2 7.205-2 3.081-2 9.763-3

3 19 0.105 0.050 0.023 9.557-2 5.065-2 2.401-2 1.121-1 5.432-2 2.078-2

3 20 7.761-2 3.980-2 1.469-2 1.031-1 4.112-2 1.391-2

3 21 7.417-2 3.427-2 1.175-2 5.712-2 2.624-2 8.977-3

3 22 0.035 0.014 0.005 6.696-2 3.221-2 1.028-2 5.259-2 2.188-2 6.572-3

3 23 0.139 0.045 0.013 4.850-2 2.454-2 8.389-3 5.118-2 2.366-2 7.633-3

3 24 0.188 0.058 0.016 4.806-2 2.592-2 9.892-3 4.211-2 1.795-2 5.938-3

3 25 0.077 0.035 0.020 4.152-2 2.820-2 1.836-2 6.774-2 3.585-2 2.196-2

3 26 0.090 0.046 0.030 5.213-2 3.718-2 2.734-2 6.841-2 4.240-2 3.173-2

3 27 0.087 0.039 0.015 2.772-1 1.819-1 6.321-2 6.568-2 2.808-2 1.056-2

3 28 0.149 0.069 0.023 1.967-1 1.057-1 3.508-2 1.574-1 6.616-2 2.190-2

3 29 0.081 0.037 0.012 1.179-1 6.294-2 2.079-2 9.328-2 3.978-2 1.293-2

3 30 0.203 0.092 0.034 1.712-1 7.721-2 2.835-2 2.324-1 9.731-2 3.474-2

3 31 0.138 0.060 0.023 1.199-1 5.453-2 2.051-2 1.166-1 5.706-2 2.243-2

**Table 6:** Comparison of effective collision strengths ( $\Upsilon$ ) for some transitions of Fe X. ( $a \pm b \equiv a\times 10^{{\pm }b}$ .)
Transition	Tayal (2001)	Pelan & Berrington (2001)	Present results
		Temperature (log $T_{\rm e}$ , K)	Temperature (log $T_{\rm e}$ , K)	Temperature (log $T_{\rm e}$ , K)
i	j	5.40	6.00	6.60	5.40	6.00	6.60	5.40	6.00	6.60
1	2	2.232	1.130	0.494	2.970-0	1.790-0	7.300-1	3.118-0	1.813-0	7.392-1
1	3	0.753	0.647	0.667	7.939-1	5.133-1	4.008-1	1.202-0	8.902-1	7.444-1
1	4	0.368	0.162	0.067	1.742-1	1.045-1	5.222-2	5.863-1	2.293-1	8.620-2
1	5	0.475	0.218	0.093	2.389-1	1.468-1	7.492-2	9.143-1	3.424-1	1.263-1
1	6	0.234	0.100	0.040	9.933-2	5.968-2	2.979-2	2.943-1	1.148-1	4.448-2
1	7	0.103	0.044	0.017	4.176-2	2.500-2	1.215-2	1.967-1	7.060-2	2.430-2
1	9	0.143	0.064	0.026	1.702-1	1.036-1	5.142-2	4.370-1	2.224-1	8.621-2
1	8	0.273	0.129	0.053	7.151-2	4.285-2	2.321-2	1.505-1	7.076-2	2.873-2
1	10	0.219	0.098	0.039	1.281-1	7.439-2	3.679-2	2.176-1	1.071-1	4.622-2
1	11	0.156	0.071	0.031	8.460-2	4.880-2	2.392-2	1.343-1	6.965-2	3.282-2
1	12	0.118	0.055	0.025	1.132-1	7.286-2	4.108-2	2.316-1	1.242-1	5.329-2
1	13	0.253	0.124	0.066	6.973-2	4.195-2	1.989-2	3.655-1	1.997-1	8.948-2
1	14	0.213	0.117	0.075	7.923-2	5.739-2	2.952-2	3.221-1	1.802-1	9.809-2
1	15	0.070	0.036	0.023	9.438-2	5.733-2	3.106-2	6.069-2	3.666-2	2.312-2
1	16	0.131	0.058	0.024	5.434-2	3.293-2	2.400-2	1.338-1	6.642-2	2.565-2
1	17	0.230	0.117	0.062	1.343-1	9.302-2	6.585-2	6.413-1	3.457-1	1.418-1
1	18	0.387	0.167	0.081	1.351-1	9.067-2	6.485-2	6.437-1	2.965-1	1.316-1
1	19	0.267	0.135	0.118	1.619-1	9.527-2	6.761-2	3.754-1	1.914-1	7.929-2
1	20				1.627-1	1.100-1	8.230-2	5.610-1	2.523-1	1.218-1
1	21				1.177-1	6.502-2	2.889-2	2.794-1	1.210-1	4.433-2
1	22	0.197	0.088	0.044	1.101-1	6.217-2	3.300-2	3.002-1	1.321-1	5.597-2
1	23	0.236	0.102	0.057	1.045-1	6.480-2	4.470-2	1.804-1	9.901-2	6.153-2
1	24	0.288	0.126	0.073	1.288-1	8.221-2	6.221-2	2.194-1	1.040-1	6.415-2
1	25	0.152	0.080	0.063	5.803-2	4.534-2	3.937-2	2.045-1	9.789-2	6.087-2
1	26	0.217	0.092	0.054	5.941-2	4.350-2	4.242-2	1.326-1	6.780-2	4.115-2
1	27	1.709	2.003	2.763	1.908-0	1.933-0	1.950-0	1.887-0	2.080-0	2.649-0
1	28	3.360	3.847	5.286	3.856-0	3.934-0	4.018-0	4.081-0	4.224-0	5.337-0
1	29	0.494	0.511	0.681	4.783-1	4.924-1	5.608-1	5.618-1	5.518-1	6.788-1
1	30	5.628	6.650	9.217	6.805-0	7.032-0	7.171-0	6.476-0	7.259-0	9.355-0
1	31	0.322	0.292	0.363	2.161-1	2.274-1	2.690-1	1.909-1	1.987-1	2.406-1
2	3	0.380	0.340	0.356	3.508-1	2.481-1	2.039-1	5.769-1	4.661-1	3.953-1
2	4	0.164	0.066	0.025	5.955-2	3.416-2	1.662-2	4.003-1	1.305-1	4.159-2
2	5	0.160	0.062	0.022	5.393-2	2.842-2	1.270-2	1.808-1	6.708-2	2.292-2
2	6	0.125	0.054	0.022	5.324-2	3.237-2	1.627-2	1.319-1	5.434-2	2.181-2
2	7	0.067	0.031	0.013	3.206-2	2.058-2	1.077-2	8.254-2	3.457-2	1.445-2
2	8	0.087	0.039	0.016	2.919-2	1.508-2	6.590-3	4.530-2	1.960-2	7.596-3
2	9	0.074	0.036	0.021	3.117-2	2.159-2	1.185-2	6.843-2	3.856-2	2.489-2
2	10	0.102	0.048	0.020	4.983-2	2.856-2	1.362-2	7.923-2	3.996-2	1.648-2
2	11	0.084	0.041	0.017	5.393-2	3.136-2	1.508-2	7.515-2	3.934-2	1.724-2
2	12	0.059	0.028	0.011	7.865-2	4.837-2	2.264-2	1.955-1	9.893-2	4.189-2
2	13	0.140	0.070	0.035	4.683-2	2.706-2	1.835-2	2.194-1	1.108-1	4.292-2
2	14	0.099	0.049	0.031	3.081-2	1.936-2	9.344-3	2.018-1	9.542-2	3.901-2
2	15	0.035	0.018	0.010	3.601-2	2.157-2	1.060-2	2.118-2	1.356-2	8.386-3
2	16	0.090	0.045	0.020	5.164-2	3.272-2	2.405-2	1.598-1	7.657-2	2.840-2
2	17	0.081	0.035	0.015	4.712-2	2.662-2	1.277-2	1.053-1	5.557-2	2.432-2
2	18	0.118	0.053	0.027	8.664-2	4.518-2	2.053-2	1.398-1	5.981-2	2.052-2
2	19	0.171	0.093	0.050	7.566-2	5.034-2	3.169-2	1.537-1	8.785-2	4.327-2
2	20				9.240-2	5.633-2	2.808-2	3.740-1	1.291-1	4.635-2
2	21				1.118-1	7.448-2	5.606-2	1.966-1	1.058-1	6.798-2
2	22	0.152	0.066	0.032	8.446-2	5.010-2	2.847-2	2.931-1	1.551-1	6.390-2
2	23	0.122	0.053	0.033	6.416-2	3.916-2	3.245-2	1.223-1	6.197-2	3.494-2
2	24	0.125	0.054	0.029	6.110-2	4.136-2	3.164-2	7.865-2	4.544-2	2.991-2
2	25	0.093	0.036	0.016	3.808-2	2.613-2	1.251-2	3.966-2	2.529-2	1.879-2
2	26	0.122	0.054	0.028	4.474-2	3.155-2	2.069-2	1.486-1	6.576-2	3.106-2
2	27	0.624	0.715	0.958	6.641-1	6.714-1	7.446-1	6.783-1	7.521-1	9.556-1
2	28	0.274	0.224	0.263	1.400-1	1.393-1	1.828-1	1.552-1	1.291-1	1.438-1
2	29	1.337	1.550	2.136	1.520-0	1.548-0	1.549-0	1.418-0	1.610-0	2.080-0
2	30	0.130	0.053	0.024	2.923-2	2.191-2	1.624-2	6.315-2	3.047-2	1.874-2
2	31	3.545	4.185	5.811	4.289-0	4.431-0	4.500-0	4.056-0	4.625-0	5.977-0
3	4	0.082	0.031	0.010	7.320-2	3.511-2	1.180-2	1.352-1	5.156-2	1.576-2
3	5	0.095	0.036	0.011	7.490-2	3.613-2	1.232-2	1.206-1	4.800-2	1.508-2
3	6	0.062	0.023	0.007	5.718-2	2.846-2	9.616-3	1.059-1	3.802-2	1.137-2
3	7	0.032	0.013	0.004	3.368-2	1.877-2	6.472-3	5.473-2	2.008-2	5.993-3
3	8	0.024	0.008	0.002	4.523-2	1.926-2	5.966-3	4.152-2	1.754-2	5.298-3
3	9	0.076	0.031	0.009	1.418-1	7.953-2	2.662-2	6.101-2	2.742-2	8.571-3
3	10	0.020	0.008	0.002	4.355-2	1.893-2	5.838-3	4.211-2	1.767-2	5.250-3
3	11	0.016	0.007	0.003	3.996-2	1.757-2	5.655-3	3.980-2	1.753-2	5.573-3
3	12	0.020	0.010	0.006	1.864-1	1.074-1	3.684-2	6.341-2	3.089-2	1.059-2
3	13	0.119	0.050	0.015	5.186-2	2.452-2	8.010-3	7.875-2	3.642-2	1.196-2
3	14	0.069	0.034	0.016	6.553-2	3.666-2	1.323-2	9.052-2	4.928-2	2.107-2
3	15	0.023	0.010	0.003	7.676-2	3.946-2	1.414-2	1.522-2	6.707-3	2.063-3
3	16	0.046	0.020	0.007	5.784-2	3.379-2	1.321-2	4.264-2	2.001-2	6.523-3
3	17	0.055	0.026	0.012	8.582-2	4.626-2	1.927-2	1.141-1	5.648-2	2.378-2
3	18	0.036	0.014	0.005	8.799-2	4.168-2	1.433-2	7.205-2	3.081-2	9.763-3
3	19	0.105	0.050	0.023	9.557-2	5.065-2	2.401-2	1.121-1	5.432-2	2.078-2
3	20				7.761-2	3.980-2	1.469-2	1.031-1	4.112-2	1.391-2
3	21				7.417-2	3.427-2	1.175-2	5.712-2	2.624-2	8.977-3
3	22	0.035	0.014	0.005	6.696-2	3.221-2	1.028-2	5.259-2	2.188-2	6.572-3
3	23	0.139	0.045	0.013	4.850-2	2.454-2	8.389-3	5.118-2	2.366-2	7.633-3
3	24	0.188	0.058	0.016	4.806-2	2.592-2	9.892-3	4.211-2	1.795-2	5.938-3
3	25	0.077	0.035	0.020	4.152-2	2.820-2	1.836-2	6.774-2	3.585-2	2.196-2
3	26	0.090	0.046	0.030	5.213-2	3.718-2	2.734-2	6.841-2	4.240-2	3.173-2
3	27	0.087	0.039	0.015	2.772-1	1.819-1	6.321-2	6.568-2	2.808-2	1.056-2
3	28	0.149	0.069	0.023	1.967-1	1.057-1	3.508-2	1.574-1	6.616-2	2.190-2
3	29	0.081	0.037	0.012	1.179-1	6.294-2	2.079-2	9.328-2	3.978-2	1.293-2
3	30	0.203	0.092	0.034	1.712-1	7.721-2	2.835-2	2.324-1	9.731-2	3.474-2
3	31	0.138	0.060	0.023	1.199-1	5.453-2	2.051-2	1.166-1	5.706-2	2.243-2

Source LaTeX | All tables | In the text

	1 Introduction
	2 Atomic structure
	3 Collision strengths
	4 Effective collision strengths
	5 Comparison with experiments
	6 Conclusions
	References
	Online Material