Free Access

Table 2

Calculated percentage contributions for major production processes of O(1S) and O(1D) in different comets.

Production processes of O(1S) and O(1D) at three cometocentric projected distances (km) (%)
Comet hν + H2O hν + CO2 hν + CO O(1S) O(1D) e + H2O+ e + CO
102 103 104 102 103 104 102 103 104 102 103 104 102 103 104 102 103 104

116P/Wild 4 43 33 25 33 25 20 9 7 5 5 15 22 5 15 17
(83)* (71) (59) (3) (2) (2) (0.5) (0.5) (0.5) (8) (9) (9) (4) (14) (22) (0.1) (0.7) (2)
C/2003 K4 (LINEAR) 46 42 32 35 32 25 11 11 9 1 4 13 1 5 14
(88) (83) (71) (3) (3) (2) (1) (1) (1) (7) (8) (9) (0.5) (3) (13) (0.5) (0.5) (1)
C/2007 Q3 (Siding Spring) 35 29 21 46 37 28 4 3 2 2 18 17 4 15 23
(82) (73) (60) (4) (4) (3) (0.5) (0.5) (0.5) (9) (10) (11) (2) (9) (20) (0.5) (2) (3)
C/2006 W3 (Christensen) 18 15 11 55 47 37 17 15 11 0.5 3 8 3 15 28
(69) (61) (48) (9) (8) (7) (3) (2) (2) (15) (16) (17) (1) (6) (15) (0.5) (3) (5)
C/2009 P1 (Garradd) 22 17 14 41 32 28 22 17 15 3 9 13 8 20 23
(71) (58) (47) (6) (5) (4) (3) (3) (2) (13) (14) (13) (4) (14) (19) (1) (3) (3)
C/2001 Q4 (NEAT) 11 9 7 63 50 40 11 9 7 1 4 6 7 23 34
(57) (47) (37) (13) (11) (9) (2) (2) (2) (21) (22) (22) (2) (8) (14) (1) (5) (8)
Comet X** 8 6 5 63 47 41 8 6 5 1 3 5 12 30 37
(48) (38) (31) (15) (12) (10) (2) (1) (1) (23) (25) (24) (3) (10) (13) (3) (8) (10)

Notes.

(*)

The values in parentheses are for O(1D);

(**)

comet X is a hypothetical comet similar to the observational condition of comet NEAT and having equal gas production rates of H2O, CO2, and CO; hν = photon; e = thermal electron.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.