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J/A+A/293/953 IRON project VI. FeII collision strengths (Zhang+, 1995)
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Atomic data from the IRON project: VI. Collision strengths and
rate coefficients for Fe II,
Zhang H.L., Pradhan A.K.
<Astron. Astrophys. 293, 953 (1995)>
=1995A&A...293..953Z (SIMBAD/NED Reference)
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ADC_Keywords: Atomic physics
Keywords: atomic data - plasmas - ultraviolet: general - infrared: general
Abstract:
Collision strengths and maxwellian averaged rate coefficients have
been calculated for 10011 infrared, optical and ultraviolet
transitions among 142 fine structure levels in Fe II. Collision
strengths are calculated using the R-matrix method with a 38 term
close-coupling target expansion and for electron energies up to 10
rydbergs. Rate coefficients are tabulated at a wide range of
temperatures at which Fe II is abundant in plasma sources. A brief
discussion of the calculations, sample results, and comparison with
earlier works are given. The present rates for Fe II are expected to
find applications in the IR, O, and UV spectral diagnostics of
astrophysical objects and laboratory fusion plasmas
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
config 41 142 Configuration and observed energy
(log(temp(K))=3.-5, Z = 26, N = 25,
142 fine structure levels)
gamma 228 10011 Effective collision strengths
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See also:
J/A+AS/103/273 : IRON Project II IR collision strengths of C-like ions
J/A+A/283/319 : IRON Project III B-like ions
J/A+AS/108/1 : IRON Project V Collision strengths of O-like ions
J/A+A/293/967 : IRON Project VII Fe II radiative transitions
J/A+AS/109/193 : IRON Project VIII Electron excitation of Ti-like ions
J/A+AS/119/509 : IRON Project XVII Radiative transition in Fe III
J/A+AS/119/523 : IRON Project XVIII Electron impact for Fe III
J/A+AS/120/361 : IRON Project XIX Fe II radiative transitions
J/A+AS/123/159 : IRON Project XXII C and O radiative rates
J/A+AS/123/575 : IRON Project XXIII Fe XXII excitation rate coefficients
J/A+AS/126/373 : IRON Project XXVII Fe IV collision strengths
J/A+AS/131/499 : IRON Project XXIX Boron isoelectronic sequence
J/A+AS/131/153 : IRON Project XXXI Fe XII electron excitation
J/A+AS/135/347 : IRON Project XXXV Fe XXIV & Fe XXV oscillator strengths
J/A+AS/136/395 : IRON Project XXXVII Fe VI collision strengths
J/A+AS/137/165 : IRON Project XXXVIII Fe XV electron excitation
J/A+AS/143/483 : IRON Project XLII Fe XXI electron impact excitation
J/A+AS/144/141 : IRON Project XLIII Fe V transition probabilities
Byte-by-byte Description of file: config
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Bytes Format Units Label Explanations
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3- 5 I3 --- Level identification
8- 18 A11 --- ConfigI Initial configuration (with or without one set
of the intermediate spin and orbital e.g.,
5D in the first level means the intermediate
spin and orbital are S=2 and L=2, and none in
the 6th level)
21- 24 A4 --- ConfigT Term configuration
30- 31 I2 --- J Total angular momentum
35- 41 F7.5 Ry E Observed energy
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Byte-by-byte Description of file: gamma
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Bytes Format Units Label Explanations
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2- 4 I3 --- ConfigI Initial configuration
6- 8 I3 --- ConfigT Term configuration
9- 19 E11.3 --- Gamma1 Effective collision strength for T = 1000 K
20- 30 E11.3 --- Gamma2 Effective collision strength for T = 3000 K
31- 41 E11.3 --- Gamma3 Effective collision strength for T = 5000 K
42- 52 E11.3 --- Gamma4 Effective collision strength for T = 7000 K
53- 63 E11.3 --- Gamma5 Effective collision strength for T = 10000 K
64- 74 E11.3 --- Gamma6 Effective collision strength for T = 12000 K
75- 85 E11.3 --- Gamma7 Effective collision strength for T = 15000 K
86- 96 E11.3 --- Gamma8 Effective collision strength for T = 17000 K
98-108 E11.3 --- Gamma10 Effective collision strength for T = 20000 K
109-119 E11.3 --- Gamma11 Effective collision strength for T = 25000 K
120-130 E11.3 --- Gamma12 Effective collision strength for T = 30000 K
131-141 E11.3 --- Gamma13 Effective collision strength for T = 35000 K
142-152 E11.3 --- Gamma14 Effective collision strength for T = 40000 K
153-163 E11.3 --- Gamma15 Effective collision strength for T = 45000 K
164-174 E11.3 --- Gamma16 Effective collision strength for T = 50000 K
175-185 E11.3 --- Gamma17 Effective collision strength for T = 60000 K
186-196 E11.3 --- Gamma18 Effective collision strength for T = 70000 K
197-207 E11.3 --- Gamma19 Effective collision strength for T = 80000 K
208-218 E11.3 --- Gamma20 Effective collision strength for T = 90000 K
219-229 E11.3 --- Gamma21 Effective collision strength for T = 100000 K
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References:
1993A&A...279..298H : IRON Project I Goal and methods
1994A&AS..107...29S : IRON Project IV Electron excitation of F-like ions
1995A&AS..110..209P : IRON Project IX Electron excitation of Cl-like ion
1995A&AS..111..347G : IRON Project X Si- & S-like ions IR coll. strengths
1996A&AS..115..151S : IRON Project XI Ar VI, K VII & CaVIII fine-structure
1995A&AS..114..367B : IRON Project XII V-like ions electron excitation
1996A&AS..115..551B : IRON Project XIII Ni II & Fe II electron excitation
1996A&A...309..677S : IRON Project XIV Fe XIV fine-structure transition
1996A&AS..118..157K : IRON Project XV He II & Fe XXVI Electron excitation
1996A&AS..119..105B : IRON Project XVI Fe V oscillator strengths
1997A&AS..122..167B : IRON Project XX Fe I oscillator strengths
1997A&AS..122..177P : IRON Project XXI Fe I fine-structure transition
1997A&AS..126..105B : IRON Project XXIV Fe XXIV electron excitation
1998A&AS..127..545B : IRON Project XXV Fe XII electron excitation
1997A&AS..126..365B : IRON Project XXVI Fe IV oscillator strengths
1998A&AS..129..161B : IRON Project XXVIII F-like ions fine-structure trans.
1999A&AS..134..369S : IRON Project XXX P III, S IV & Cl V collision data
1998A&AS..133..245G : IRON Project XXXII Ar III effective collision strength
1999A&AS..135..159M : IRON Project XXXIII Carbon radiative rates
1999A&AS..136..385E : IRON Project XXXIV Fe XVI electron impact excitation
1999A&AS..137..175C : IRON Project XXXVI Fe XXIII electron excitation
1999A&AS..137..529B : IRON Project XXXIX Ni II oscillator strengths
2000A&AS..141..285S : IRON Project XL Fe XIV electron excitation
2000A&AS..142..313B : IRON Project XLI Fe VII electron excitation
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(End) Patricia Bauer [CDS] 22-Jul-1994