Photolysis of diatomic molecules as a source of atoms in planetary exospheres

R. R. Valiev; A. A. Berezhnoy; I. S. Gritsenko; B. S. Merzlikin; V. N. Cherepanov; T. Kurten; C. Wöhler

doi:10.1051/0004-6361/201936230

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Volume 633 (January 2020)

A&A, 633 (2020) A39

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Table A.2.

Properties of photolysis of studied diatomic molecules for quiet Sun.

Molecule	Wavelength of maximal photolysis cross section, nm (this work)	Half-width of peak of maximal photolysis cross section, nm (this work)	Wavelength of maximal photolysis cross section, nm (other works)	Half-width of peak of maximal photolysis cross section, nm (other works)	Typical energy of photolysis-produced metal atoms and H, eV (this work)	Typical energy of photolysis-produced metal atoms and H, eV (other works)
OH	163.9	40	^(h); ^(b)	^(h); ^(b)	2.9 ± 0.7	^(a); ^(a)

LiO	337.5	25	353 ^(c)	12 ^(c)	0.18 ± 0.09	0.07 ^(c); 1.3 ^(d)

NaO	432.5	30	490 ^(c)	20 ^(c)	0.17 ± 0.06	0.03 ^(c); 0.4 ^(c)

KO	417.5	35	282	20 ^(c)	0.06 ± 0.02	0.47 ^(c); 0.35 ^(e)

HF	125	30	120 ⁽ⁱ⁾; 121.6 ^(k), 118 ^(l)	60 ^(b); 20 ⁽ⁱ⁾, 13 ^(l)	2.8 ± 0.7	4.38 ^(a)

LiF	183	15	118 ^(l)	13 ^(l)	0.55 ± 0.2

NaF	235	11			0.25 ± 0.05

KF	188	9			0.16 ± 0.05

HCl	140	55	170 ^(b); 150 ^(j)	50 ^(b); 30 ^(j)	4.1 ± 1.1	4.29 ^(a)

LiCl	256	15	232 ^(f)	30 ^(f)	0.3 ± 0.1

NaCl	274	20	240 ^(f);237 ^(g); 259 ^(g)	30 ^(f); 6 ^(g); 12 ^(g)	0.4 ± 0.1

KCl	277	9	250 ^(f)	20 ^(f)	0.16 ± 0.04

Notes.

^(a)

Huebner & Mukherjee (2015).

^(b)

Huebner et al. (1992) (in this paper dependences of photolysis rate (not photolysis cross section) on wavelength were presented) and Regan et al. (2000).

^(c)

Valiev et al. (2017) (only parameters of the channel with maximal photolysis rate are given).

^(d)

Berezhnoy (2013).

^(e)

Berezhnoy (2010).

^(f)

Davidovits & Brodhead (1967).

^(g)

Silver et al. (1986).

^(h)

van Dishoeck & Dalgarno (1983).

⁽ⁱ⁾

Brown & Balint-Kurti (2000).

^(j)

Alexander et al. (1993).

^(k)

Regan et al. (2000).

^(l)

Nee et al. (1985). Values of (theor) and (exp) refer to theoretical and experimental cross-section data, respectively.

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