J/A+AS/142/85Recombination coefficients for C II lines (Davey+, 2000)

Recombination coefficients for C II Davey A.R., Storey P.J., Kisielius R. <Astron. Astrophys. Suppl. Ser. 142, 85 (2000)> =2000A&AS..142...85DADC_Keywords: Atomic physics - Planetary nebulaeKeywords: atomic data - line: formation - H II regions - planetary nebulae: generalAbstract: Effective recombination coefficients are given for C II transitions between doublet states. The calculations are carried out in the temperature range 500-20000K and for an electron density of 10^{4}cm^{-3}. The effects of electron collisions on the excited states are included. The necessary bound-bound and bound-free radiative data are obtained from a new R-matrix calculation in which photoionization resonances are fully delineated, thereby accurately incorporating the effects of both radiative and dielectronic recombination. The R-matrix calculation includes all bound states with principal quantum number n≤15 and total orbital angular momentum L≤4. The effect of moving the resonance features to their experimentally determined positions is also investigated and found to be important at low temperatures.File Summary:

FileName Lrecl Records Explanations

ReadMe 80 . This file table1.dat 41 43 Energies of even parity C^{+}bound states relative to the ionization threshold table2.dat 42 29 Energies of odd parity C^{+}bound states relative to the ionization threshold table3.dat 99 164 Effective recombination coefficients [10^{-14}cm^{3}/s] at electron density N_{e}=10^{4}[cm^{-3}], temperature range T_{e}=3500-20000K table4.dat 99 231 Effective recombination coefficients [10^{-14}cm^{3}/s] at electron density N_{e}=10^{4}[cm^{-3}], temperature range T_{e}=500-2500K table5.dat 95 143 Fitting coefficients and maximum fitting errors (%) for effective recombination coefficients Electron density N_{e}=10^{4}[cm^{-3}], temperature range T_{e}=5000-20000K

See also: J/A+AS/133/257 : Recombination coefficients for NeII lines (Kisielius+ 1998) J/A+AS/135/359 : HI and HeII fine structure components (Clegg+ 1999) J/A+AS/137/157 : O III recombination coefficients (Kisielius+, 1999) J/A+A/387/1135 : NII effective recombination coefficients (Kisielius+, 2002)Byte-by-byte Description of file: table1.dat table2.dat

Bytes Format Units Label Explanations

1- 8 A8 --- State Electronic configuration 9- 11 I3 --- SP1 2S+1 of term 12- 14 I3 --- LP1 L of term 15- 17 I3 --- PP1 Parity (0 for even, 1 for odd) of term 21- 29 F9.6 Ry Ecal Calculated energy 33- 41 F9.6 Ry Eexp ? Experimental energy

Byte-by-byte Description of file: table3.dat

Bytes Format Units Label Explanations

2 A1 --- --- [(] 3 I1 --- SP1 2S+1 of upper term parent state 4 I1 --- LP1 L of upper term parent state 5 I1 --- PP1 Parity of upper term parent state (1) 6 A1 --- --- [)] 7- 8 I2 --- n1 Principal quantum number of outer electron 9 A1 --- l1 Orbital quantum number of outer electron in spectroscopic notation 12 I1 --- S1 2S+1 of upper term 13 I1 --- L1 L of upper term 14 I1 --- P1 Parity of upper term (1) 16 A1 --- --- [-] 18 A1 --- --- [(] 19 I1 --- SP2 2S+1 of lower term parent state 20 I1 --- LP2 L of lower term parent state 21 I1 --- PP2 Parity of lower term parent state (1) 22 A1 --- --- [)] 23- 24 I2 --- n2 Principal quantum number of outer electron 25 A1 --- l2 Orbital quantum number of outer electron in spectroscopic notation 28 I1 --- S2 2S+1 of lower term 29 I1 --- L2 L of lower term 30 I1 --- P2 Parity of lower term (1) 34 A1 --- Case Plasma state case 35- 42 F8.1 nm Wavel Transition wavelength 44- 51 F8.3 10-14cm+3/s 3500 Effective recombination coeff. at Te = 3500K 52- 59 F8.3 10-14cm+3/s 5000 Effective recombination coeff. at Te = 5000K 60- 67 F8.3 10-14cm+3/s 7500 Effective recombination coeff. at Te = 7500K 68- 75 F8.3 10-14cm+3/s 10000 Effective recombination coeff. at Te = 10000K 76- 83 F8.3 10-14cm+3/s 12500 Effective recombination coeff. at Te = 12500K 84- 91 F8.3 10-14cm+3/s 15000 Effective recombination coeff. at Te = 15000K 92- 99 F8.3 10-14cm+3/s 20000 Effective recombination coeff. at Te = 20000K

Note (1): 0 for even, 1 for odd

Byte-by-byte Description of file: table4.dat

Bytes Format Units Label Explanations

2 A1 --- --- [(] 3 I1 --- SP1 2S+1 of upper term parent state 4 I1 --- LP1 L of upper term parent state 5 I1 --- PP1 Parity of upper term parent state (1) 6 A1 --- --- [)] 7- 8 I2 --- n1 Principal quantum number of outer electron 9 A1 --- l1 Orbital quantum number of outer electron in spectroscopic notation 12 I1 --- S1 2S+1 of upper term 13 I1 --- L1 L of upper term 14 I1 --- P1 Parity of upper term (1) 16 A1 --- --- [-] 18 A1 --- --- [(] 19 I1 --- SP2 2S+1 of lower term parent state 20 I1 --- LP2 L of lower term parent state 21 I1 --- PP2 Parity of lower term parent state (1) 22 A1 --- --- [)] 23- 24 I2 --- n2 Principal quantum number of outer electron 25 A1 --- l2 Orbital quantum number of outer electron in spectroscopic notation 28 I1 --- S2 2S+1 of lower term 29 I1 --- L2 L of lower term 30 I1 --- P2 Parity of lower term (1) 34 A1 --- Case Plasma state case 35- 42 F8.1 nm Wavel Transition wavelength in nm 44- 51 F8.3 10-14cm+3/s 500 Effective recombination Ceoff. at Te = 500K 52- 59 F8.3 10-14cm+3/s 750 Effective recombination Ceoff. at Te = 750K 60- 67 F8.3 10-14cm+3/s 1000 Effective recombination Ceoff. at Te = 1000K 68- 75 F8.3 10-14cm+3/s 1250 Effective recombination Ceoff. at Te = 1250K 76- 83 F8.3 10-14cm+3/s 1500 Effective recombination Ceoff. at Te = 1500K 84- 91 F8.3 10-14cm+3/s 2000 Effective recombination Ceoff. at Te = 2000K 92- 99 F8.3 10-14cm+3/s 2500 Effective recombination Ceoff. at Te = 2500K

Note (1): 0 for even, 1 for odd

Byte-by-byte Description of file: table5.dat

Bytes Format Units Label Explanations

2 A1 --- --- [(] 3 I1 --- SP1 2S+1 of upper term parent state 4 I1 --- LP1 L of upper term parent state 5 I1 --- PP1 Parity of upper term parent state (1) 6 A1 --- --- [)] 7- 8 I2 --- n1 Principal quantum number of outer electron 9 A1 --- l1 Orbital quantum number of outer electron in spectroscopic notation 12 I1 --- S1 2S+1 of upper term 13 I1 --- L1 L of upper term 14 I1 --- P1 Parity of upper term (1) 16 A1 --- --- [-] 18 A1 --- --- [(] 19 I1 --- SP2 2S+1 of lower term parent state 20 I1 --- LP2 L of lower term parent state 21 I1 --- PP2 Parity of lower term parent state (1) 22 A1 --- --- [)] 23- 24 I2 --- n2 Principal quantum number of outer electron 25 A1 --- l2 Orbital quantum number of outer electron in spectroscopic notation 28 I1 --- S2 2S+1 of lower term 29 I1 --- L2 L of lower term 30 I1 --- P2 Parity of lower term (1) 34 A1 --- Case Plasma state case 35- 42 F8.1 nm Wavel Transition wavelength 44- 52 F9.4 --- a Fitting coefficient a 53- 61 F9.4 --- b Fitting coefficient b 62- 70 F9.4 --- c Fitting coefficient c 71- 79 F9.4 --- d Fitting coefficient d 80- 88 F9.4 --- f Fitting coefficient f 89- 95 F7.2 % Err Maximum fitting error (in percent)

Note (1): 0 for even, 1 for odd

Acknowledgements: Romas Kisielius(End)Patricia Bauer [CDS] 15-Oct-1999

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