Abstract
The form of this Draft Report follows the practice of the 1964 Report. The first is a Narrative, briefly presenting progress as evaluated by the writer. Second is a short Administrative Report including results and plans for cooperative activities. Third is a comprehensive Bibliography, with extremely short abstracts. The writer is greatly indebted to the members of the Commission who have provided him with important assistance in the preparation of this report, particularly C. Arpigny (spectroscopy), G. Herzberg (laboratory work), and V. Vanýsek and B. J. Levin (Slavic languages). The writer, however, takes complete responsibility for the accuracy and relevancy of the contents.
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III. Bibliography
A. Books and monographs
Arpigny, C. 1965, in Annual Reviews of Astronomy and Astrophysics, Ed. L. Goldberg, Annual Reviews, Inc., Palo Alto, Calif., Vol. 3, p. 351. (Spectra of comets and interpretation.)
Belton, M. J. S., Brandt, J. C. 1966, Astrophys. J. Supply 13, 125. (Catalogue of comet-tail orientations.)
Dobrovol’skij, O. Comets, ‘Nauka’, Moscow. (On the physical nature of comets.)
Dufay, J. 1966, Les Comètes, Presses Univ. de France, Paris. (Monograph on comets.)
Guigay, G. 1966, Les Processus non stationnaires dans les comètes et l’activité solaire. (Transl, from Russian of O. Dobrovol’skij’s, Trudy Inst. Astrofiz. Stalinabad, 8, 1961.)
Marsden, B. G., Porter, J. G. 1966, Mem. Br. astr. Ass., 40, no. 2. (Comet orbits through1965.)
Swings, P. (a) 1965, in Advances in Space Science and Technology, Vol. VII, Ed. F. I. Ordway, III, N. Y. Academic Press, New York, p. 393. (Astronautical investigations of comets, a review and projection.)
Swings, P. (b) 1965, Q.J.R. astr. Soc. 6, 28. (George Darwin lecture on cometary spectra.)
Swings, P. (c) 1966, Ed., Nature et origine des comètes, Soc. roy. des Sciences de Liège. Mémoires. Collection in — 8°, 5ème Sér., Vol. 12, fasc. unique; also in Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510.
U.S.S.R. (a) 1964, Investigations of comets according to the program of the International Year of Quiet Suny Naukova Dumka, Kiev, in Russian. (Collection of papers.)
U.S.S.R. (b) 1965, Fizika Komet i Meteorov, Naukova Dumka, Kiev, in Russian. (Collection of papers.)
U.S.S.R. (c) 1966, Physics of comets, Naukova Dunka, Kiev, in Russian. (Collection of papers.)
B. Photometry
Bader, M., Haughney, L. C. 1966, Astr. J., 71, 844. (Photographs 1965/ from aircraft.)
Becklin, E. E., Westphal, J. A. 1966, Astrophys. J., 145, 445. (Infrared photometry at 1•65, 2•2, 3•4 and 10μ, 1965f.)
Bertaud, Ch. 1965, L’Astronomie, 79, 130.
Beyer, M. 1964, Astr. Nachr., 288, 113. (Physical observations of 1963a, 1963b 1963d Schwassmann-Wachmann I.)
Bouska, J. (a) 1965, Bull. astr. Inst. Csl., 16, 358. (Visibility of P/Oterma.)
Bouska, J. (b) 1966, Pubi. astr. Inst. Charles Univ., Prague, no. 49. (Observations, 1965f.)
Bouska, J., Mayer, P. 1966, Bull. astr. Inst. Csl., 17, 84. (Photoelectric photometry, 1964h.)
Boyce, P. B., Sinton, W. M. 1966, Astr. J., 71, 847 (abstr.) (Spectral scans of 1965f.)
Ceplecha, Z., Valnicek, B. 1966, Bull. astr. Inst. Csl., 17, 211. (Photoelectric red photometry, 1965f.)
Demenko, A. A. (a) 1964, Investigations of comets by IQS Y programme, 128. (Tail structure isophotes, 1962c.)
Demenko, A. A. (b) 1966, Types of cometary tails, in Physics of the Moon and planets, Jerusalem, p. 94, translated from the Russian by Israel Program for Scientific Translations (Fizika luny i planet, Ed. I. K. Koval, Naukova Dumka, Kiev, 1964). (167 comets, tail classifications.)
Dobrovol’skij, O. V., Ibadinov, H. Bjull. Inst. Astrofiz., Dusanbe-Stalinabad. (Photometry of Arend-Roland.)
Dossin, F. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 189. (Probable comet during solar eclipse.)
Džapiasvili, V. P., Salukvadze, G. N. 1965, Abastumansk. astrofiz. Obs. Gora Kanobili Bjull., no. 32, 155. (Photometry of Arend-Roland.)
Fracassini, M., Pasinetti, L. E. 1966, in press. (Correlation of comet brightnesses with zodiacal light.)
Gehrels, T. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 193. (Wavelength dependence of polarization observed in comets.)
Genkina, L. M. 1964, Kometnyi Cirkulyar, no. 14. (1965a, ibid., no. 23; 1965b, ibid., no. 25; 1965c, ibid., no. 27.) (Photometry, 1961ℯ, 1963i, 1964h, and P/Kopff.)
Grudzinska, S. (a) 1965, Bull. astr. Obs. Univ. N. Copernicus, no. 34. (Photometry and some objective prism spectra, 1963a.)
Grudzinska, S.(b) ibid., in press. (Outburst of 1963b, coincides with a solar flare.)
Hirayama, T., Moriyama, F. 1965, Pubi. astr. Soc. Pacif, 17, 433. (Coronograph photographs of 1965/ near Sun.)
Kearns, C. E., Rudnicki, K. 1966, Z. Astrophys., 64, 337. (28 photographs of Comet Humason in 1962.)
Khachikian, E. E., Epremian, R. A. 1966, Soobsc. Bjurak. Obs., no. 37, 48. (Photometry 1965e)
Konopleva, V. 1966, Physics of comets, Naukova Dumka, Kiev. (Magnitude 1955 IV.)
Kovar, N. A., Kovar, R. P. 1965a, Astrophys. J., 142, 1191 (1965Ô, Astr. J., 70, 142 ). (Photoelectric photometry 1964f.)
Krésak, L’ 1965, Bull, astr. Inst. Csl., 16, 348. (Secular change in brightness for Comet P/Encke.)
Malaise, D. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 199. (Profils photométriques des têtes de comètes en lumière monochromatique, Comets 1959[amp] and 1963a.)
Malville, J. M., Evans, C. 1966, Astr. J., 71, 169 (abstr.). (D1 and D2 of Na, coronograph for 196 5f.)
Martel, M. T., Saute, M. In press. (Polarization 1965f.)
Miller, F. D. 1966, Pubi. astr. Soc. Pacif., 78, 57. (Observations 1964c.)
Mokhnach, D. O. Kometnyi Cirkulyar, no. 34. ( Photographie photometry 1962 III. )
Mrkos, Tremko, Vanysek, V. 1966, unpublished. (Photoelectric photometry, 1966b, 1966c.)
Nazarchuk, G. K. 1965, in Fizika komet i meteorov, Naukova Dumka, Kiev, p. 35. ( Photometry, Arend-Roland. )
Notni, P. 1961, Astr. Nachr., 286, 169. (Photoelectric photometry Arend-Roland correlation with sunspots.)
Öpik, E. J. 1963, Irish astr. J., 6, 93. (On photometry and nature of comets.)
Polyakova, T. A., Romashkin, G. S. 1965, Kometnyi Cirkulyar, no. 28. (Photometry, 1965b, 1965c, 1964 h, 1964g.)
Richter, N., Högner, W. 1964, Sterne, 40, heft 1–2 ( 1966, Univ. Liège Inst. Astrophys., Vol. 21, no. 510, 243 ). (Isophotes by contrast printing.)
Rijves, V. G. (a) 1964, Bjull. Kom. Komet. Meteor., no. 9, 23. See also Rijves, 1965. (New methods of cometary photometry.) (b) 1965, ibid., no. 11, 3. See also Rijves, 1964. (Low value of parameter n for comets.)
Roemer, E. (a) 1965, Astr. J., 70, 397. (b) Regularly, Publ. astr. Soc. Pacif., ( Comet reports. )
Roemer, E., Thomas, M., Lloyd, R. E. 1966, Astr. J., 71, 591.
Roemer, E., Lloyd, R. E. 1966, ibid., 71, 443.
Rožkovskij, D. A. 1965, in Fizika komet i meteorov, Naukova Dumka, Kiev, p. 22. (A new procedure of comet photometry.)
Salukvadze, G. N., Džapiasvili, V. P. 1966, Abastumansk. astrofiz. Obs. Gor a Kanobili Bjull., no. 32, 161. (Photometry, 1957 V.)
Sekanina, Z. 1964a, Publ. astr. Inst. Charles Univ., Prague, no. 41. (19646, ibid., no. 42 ). (Comets and meteorology.)
Southworth, R. B. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 247. (Defocuser for satellite-tracking cameras.)
Takakura, T., Tsuchiya, A., Morimoto, M. 1965, Publ. astr. Soc. Japan, 17, 437. (Negative radio observation of 1965/ at 160 H.)
Thackeray, A. D. 1965, Mon. Notes astr. Soc. Sth. Afr., 24, 159. (Split nucleus of 1965f.)
Vanysek, V. 1966, Bull. astr. Inst. Csl., 17, 212. (Photoelectric IR measures of 1965f.)
Vsehsvjatskij, S. K. (a) 1964a. IQSY Instruction Manual, no. 8, Comets, London.
Vsehsvjatskij, S. K. (b) 1964 b, Acad. Sci. Ukrainian S SR, Information Bull., no. 6, 3.
Vsehsvjatskij, S. K. (c) 1964c, Astr. Zu., 41, 539. (Comet brightnesses.)
Vsehsvjatskij, S. K. (d) 1964d, Kometnyi Cirkulyar, no. 17, 12 IX (1964e, Geophys. Bull. Moscow, no. 15, 61; 1965c, Kometnyi Cirkulyar, no. 20, 7 I; 1965d, ibid., no. 25, 27 IY; 1966, Umv. Liège Inst. Astrophys., Vol. 21, no. 510, 53 ).
Vsehsvjatskij, S. K. (ℯ) 1965a, in Fizika komet i meteorov, Naukova Dumka, Kiev, p. 52 (1965b, ibid., p. 56). (Magnitude of comets 1963a and 19636.)
Weinberg, J. L. 1966, Astr. J., 71, 875 (abstr.). (Polarization, 1965/ at 5300Å.)
Whipple, F. L., Douglas-Hamilton, D. H. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 469. (Secular and other brightness variations in P/Encke and P/Faye.)
C. Spectroscopy
Andrillat, Y. 1966, J. Observateurs, Marseille, 49, 325. (Blue spectrum 39Å/mm, 15 and 18 October 1961.)
Arpigny, C. (a) 1964, , 84, 118. (On R-branches of CO+ comet-tail bands.)
Arpigny, C. (b) 1965, Acad. r. Belg. Cl. Sci. Mem. 8°, 35, fasc. 5. (Important survey of cometary line and band production.)
Arpigny, C. (c) 1966a, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 165. (The rotational and vibrational ‘temperatures’ of C2 in comets.)
Arpigny, C. (d) 1966b, ibid., 155. (Theory of λ 4300 band of CH in 1963a.)
Arpigny, C. (e) 1966c, Astrophys. J., 144, 424. (Criticism of Stockhausen and Osterbrock, 1965.)
Chalonge, D., Bloch, M. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 281. (Low dispersion spectra 1963Ô for continuum, slightly redder than Sun.)
Curtis, G. W., Sacramento Peak Obs. Staff 1966, Astr. J., 71, 194. (20–21 October spectra 25 Â/mm 1965f and other measures.)
Dossin, F. (a) 1964, C. r. Acad. Sci. Paris, 258, 3965. (Strong continuum and CN violet, weak Swan bands in 1963d.)
Dossin, F. (b) 1966, Astr. J., 71, 853. (Spectrum of 1961ℯ at 5 A.U.)
Dufay, J., Swings, P., Fehrenbach, Ch. (a) 1965, C. r. Acad. Sci. Paris, 261, 3971. (Spectra,1965f, 13 October, low dispersion, and 21 October 1965, high and low dispersion.) (6) 1966, Astrophys. J., 142, 1698.
Flynn, F. H. 1961, Observatory, 81, 247. (Infrared emissions from 1960n.)
Livingston, V., Roddier, F., Spinrad, H., Slaughter, C., Chapman, D. 1966, Sky Telesc., 31, 24. (Fe, Si, Ca, Na, Cr, Mn lines identified in spectrum, 1965f and high-velocity displacements for Na 1 near perihelion.)
Miller, F. D. 1964, Astrophys. J., 139, 766. (Two objective prism spectra.)
Remy-Battiau, L. 1964, Acad. r. Belg. Bull. Cl. Sci., 5ème Sér., 50, 74. (From continuous spectra derive properties of dust particles in comets.); 1966, Acad. R. Belg. Bull. Cl. Sci. 5e série, 52, no. 11.
Remy-Battiau, L., Swings, P. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 517. (Valuable compilation of spectra and other data for 10 comets.)
Righini, G. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 129. (On first cometary spectra.)
Stawikowski, A., Greenstein, J. L. 1964, Astrophys. J., 140, 1280. (C12/C13 ratio = 70 in 1963a.)
Stief, J., DeCarlo, V. J. 1965, Nature, 205, 1197. (On the production of C2 Swan bands in cometary emission.)
Stockhausen, R. E., Osterbrock, D. E. 1965, Astrophys. J., 141, 287. (Theory of C2 Swan bands in comets.)
Thackeray, A. D., Feast, M. W., Warner, B. 1966, ibid., 143, 276. (Spectra of 1965/.)
Warner, B., Harding, G. A. 1963, Observatory, 83, 219. (Spectroscopic observation of 196Iℯ.)
Wyller, A. A. 1962, Observatory, 82, 73. (Infrared spectrum of i960n.)
D. Structure and origin of the nucleus
Arnold, J. R. 1965, Astrophys. J., 141, 1536. (Monte-Carlo calculations of earth-crossing orbits, including lunar ejecta.)
Brady, J. L. 1965, Astr. J., 70, 279. (30 long-period comets calculated entirely through planetary system. 23 attain negative I/a.)
Delsemme, A. H. 1966a, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 69 (19666, ibid., 77 ). (Important detailed theory of comet nucleus stressing the vital role of hydrates.)
Dobrovol’skij, O. V. 1964a, Bjull. Kom. Komet. Meteor., no. 9, 3 (19646, ibid., no. 9, 9; 1966, Bjull. Inst. Astrofiz. Dusanbe-Stalinabad, no. 41–42, 47 ). (On the theory of comet nuclei and heads including effects of dust and mechanism of solar flare interaction.)
Donn, B. 1964, Astr. J., 69, 137 (1965, ibid., 70, 320, abstr.). (Cometary and crystal growth in a primordial solar nebula.)
Dufay, J. C. r. Acad. Sci. Paris, 263, in press. (Statistics elements periodic comet orbits as function of period.)
Greenstein, J. L. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 5x0, 483. (Possible nuclear processes in comets.)
Harwit, M. (a) 1966a, Astr. J., 71, 857 (abstr.). (Orbits of sun-grazing comets.)
Harwit, M. (b) 19666, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 489. (On statistics of short- and long-period comet orbits and concentration of long-period near the ecliptic.)
Hubner, W. F. 1965a, Bayerische Akad. Wiss. (Math, und Naturwiss.), 12, 147 (19656, Z. Astrophys., 63, 22; 1966, Astr. J., 71, 858 ). (Theory of icy comet nucleus and processes therein.)
Hubner, W. F., Weigert, A. 1966, Z. Astrophys., 64, 185. (Role of ice grains in physics of cometary nuclei.)
Krésak, L’ (a) 1965, Bull. astr. Inst. Csl., 16, 292. (On commensurability of short-period comet orbits, rediscovery statistics and conclusion that nuclei must be very small.)
Krésak, L’ (b) 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 459. (Distribution of orbits of short-period comets with various interesting conclusions about their changes.)
Lancaster-Brown, P. 1964, J. Br. astr. Ass., 75, 17. (A general review of theories of comet origin.)
Levin, B. J. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 65. (Sublimation and adsorption near surfaces of cometary nuclei.)
Liller, W. 1966, ibid. 195. (Desorption in nucleus of 1957 III.
Lyttleton, R. A., Hammersley, J. M. 1964, Mon. Not. R. astr. Soc., 127, 257. (Stochastic approach to a distribution in comet orbits.)
Makover, S. G. 1964, Bjull. Inst. teor. Astr., 9, 525. (On Oort cloud of comets, perturbations by stars and capture theory for short-period comets.)
Marsden, B. 1966, Private communication.
McNally, D. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 581. (Problems of the interstellar medium and comets.)
Öpik, E. J. (a) 1966a, The stray bodies in the solar system, Part II, The cometary origin of meteorites, in Advances in astronomy and astrophysics, Ed. Z. Kopal, Academic Press, Inc., New York, Vol. 4, p. 301. (On cometary nuclei, orbital perturbations, meteorites and problems of origin.)
Öpik, E. J. (b) 1966b, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no 510, 523. (Detailed article on the origin of comets.)
Öpik, E. J. (c) 1966c, ibid., 575. (Identifying Apollo asteroids with old comet nuclei.)
Piotrowski, S. L. 1965, Acta astr., 15, 281. (Accretion of comets by dust surrounding the solar system and greater chance of discovery of retrograde than direct long-period comets.)
Remy-Battiau, L. 1964, Aug. 20, Tech. Note No. 6. (Dust and bursts in cometary nuclei.)
Richter, N. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 439. (Report on the origin of comets.)
Roemer, E. 1966a, ibid., 15 (1966b, ibid., 23). (Measures of diameters of 29 comets by limiting magnitudes.)
Sekanina, Z. (a) 1966a, Bull. astr. Inst. Csl., 17, 207. (Splitting of 1965f.)
Sekanina, Z. (b) 1966b, ibid., 17, 67 ( 1966c, Publ. astr. Inst. Charles Univ., Prague, no. 48 ). (Calculates new original and future comet orbits.)
Sekanina, Z. (c) 1966d, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 443. (On Oort cloud of comets and possibility of an ‘interstellar swarm’.)
Sekanina, Z. (d) 1967a, Z. Astrophys., in press. (Calculation of non-gravitational effects on nucleus of P/Halley.)
Sekanina, Z. (e) 1967b, Bull. astr. Inst. Csl., in press. (Theory of physical forces on cometary nuclei.)
Sitarski, G. 1964, Acta astr., 14, 323. (Orbit P/Grigg-Skjellerup, a secular acceleration seems necessary from 1947 to 1961.)
Stefanik, R. P. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 29. (Study of 13 split comets.)
Šteins, K. A. 1964, Latviiskii Gos. im. P. stuchki Uchenye Zapiski, 68, 39. (Review of his previous results on the evolution of cometary orbits and the origin of comets from Oort’s cloud.)
Šteins, K. A., Kronkalne, S. (a) 1964a, Acta astr., 14, 4. (Calculations of perturbations by Jupiter of I/a and q and theory of diffusion of comets.)
Šteins, K. A.(b) 1964b, ibid., 311. (Calculations of 20000 fictitious comets completely through planetary system, follow Stein’s diffusion laws.)
Vanýsek, V. (a) 1965, Bull. astr. Inst. Csl., 16, 355. (Stoppage of activity in nucleus of P/Encke.)
Vanýsek, V. (b) 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 255. (Dust grains and gas in cometary nuclei.)
Vsehsvjatskij, S. K. 1965, Kometnyi Cirkulyar, no. 27, 30 YI ( 1966a, ibid., no. 40, 1 YI; 1966b, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 53; 1966c, ibid., 495 ). ( Influence of nearby stars on Oort cloud of comets. Conclusion negative to theory. Holds to ejection theory although accepting icy comet model. )
Whipple, F. L., Stefanik, R. P. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 33. (Splitting of cometary nuclei possibly caused by radioactive heating of icy nuclei.)
Zadunaisky, P. E. 1966, Astr. J., 71, 20. (Orbits of P/Halley, before and after perihelion.)
E. Coma, excitation and ionization
A’Hearn, M. F. 1964, Publ. astr. Soc. Pacif., 76, 106. (Analysis of C2 densities.)
Biermann, L., Trefïtz, E. 1964, Z. As trophy s., 59, 1. (On the ionization and excitation mechanism in comet heads, especially [O 1], CO+ and the UV.)
Bouska, J. (a) 1965a, Acta Univ. Carolinae-Math. et Physica, no. 1, 1; also in Publ. astr. Inst. Charles Univ., Prague, no. 43 (19656, Bull. astr. Inst. Csl., 16, 358 ). (Measures and theory of C2 and CN in 1957 III.)
Bouska, J. (1b) 1956b, Bull. astr. Inst. Csl., 16, 358 ( 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 185 ). (Structure of tail rays.)
Cerednicenko, V. (a) 1965, in Fizika komet i meteorov, Naukova Dumka, Kiev, p. 37 (1966, ibid. p. 51). (Transformation processes for 21 molecules and ions by solar photon corpuscular radiation.)
Dewey, M. E., Miller, F. D. 1966, Astrophys. J., 144, 1170. (Isophotes of C2 in 1961 VIII, and lifetimes of C2 and its parent.)
Dobrovo’skij, O. V. (a) 1966, Bjull. Inst. Astrofiz. Dusanbe-Stalinabad, no. 41, 37. (Growth of the head of 1955 V.)
DobrovoPskij, O. V. (b) ibid. (Lifetimes of CO and C02 under solar radiation.)
Dufay, J. Atomes, in press. (Excitation for molecules in sun-grazing comets.)
Egibekov, P. 1964, in Investigations of comets according to the program of the IQSY, Naukova Dumka, Kiev. (1963a, absolute energy distribution in the spectrum.)
Gnedin, Ju. N., Dolginov, A. Z. 1966a, Astr. Zu., 43, 181 (19666, Icarus, 5, 64 ). (Theoretical distribution of molecules, or atoms, in cometary heads.)
Haser, L. 1966, Univ. Liège, Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 233. (Extension of ‘fountain model’ theory of cometary heads.)
Jackson, W. M., Donn, B. (a) 1966a, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 133. (Collisions near the nucleus and parent molecules for C3.)
Jackson, W. M., Donn, B. (b) 1966b, Astr. J., 71, 859 (abstr.). (Photochemistry near the nucleus.)
Kovar, N. S., Kovar, R. P. 1966, Astr. J., 71, 166. (On the theoretical intensity ratios of the [O I] lines in comets.)
Kostyakova, E. B. 1965, Soobšč. gos. astr. Inst. Sternberga, no. 139, 24. (Computed flux for continuum and bands 1957 III.)
Miller, F. D. 1965a, Astr. J., 70, 283 (1965b, ibid., 685 ). (Forms of isophotes and velocities in comets for gas and particles.)
Mokhnach, D. O. 1966a, Kometnyi Cirkulyar, no. 35, 2 (1966b, ibid., 3). (Lifetime of C2 and initial velocity in Comet Burnham, 1960 II.)
Rahe, J. (a) 1965, Thesis, Hamburger Sternwarte. (Analysis of remarkable activity [1000 km from nucleus of 1858 VI.)
Rahe, J. (b) 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 141. (Visual and photographic structures in the coma region of comets.)
Rijves, V. 1960a, Tartu Publ., 33, no. 4, 282 (1960b, ibid., 289; 1963, Bjull. Kom. Komet. Meteor., no. 8, 3 ). (Motions in cometary heads and tail formation.)
Schlosser, W. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 335. (Motions of structures in 1908 III.)
Vanysek, V. 1965, Acta Univ. Carolinae-Math. et Physica, no. 1, 23; also in Publ. astr. Inst. Charles Univ., Prague, no. 44. (Lifetime of C2 and CN molecules and solid grains in cometary atmospheres.)
Wurm, K. (a) 1966a, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 119. (Report on general problems of the cometary head.)
Wurm, K. (b) 19666, Icarus, 5, 219. (Further study of observations strengthens the argument that ionization in comets is an intrinsic property.)
Wurm, K., Mammano, A. In preparation. (Find narrow source for particles excitation and ionization [100 s near nucleus [1000 km.)
Wurm, K., with Rahe and Mammano In preparation. (In 1858 VI find very important results concerning head.)
F. Type-I tails
A’Hearn, M. F. 1965, Publ. astr. Soc. Pacif., 77, 257. (A solar event and a plasma tail knot.)
Alfvén, H. 1957, Tellus, 9, 92. (MHD approach to the theory of plasma tails.)
Antrack, D., Biermann, L., Lüst, Rh. 1964, in Annual reviews of astronomy and astrophysics, Ed. L. Goldberg, Annual Reviews, Inc., Palo Alto, California, Vol. 2, p. 327. (Statistics of plasma tails, no correlation with solar activity.)
Axford, W. I. 1964, Planet. Space Sci., 12, 719. (Role of electrons in plasma tails.)
Axford, W. I., Petschek, H. E., Sicoe, G. L. 1965, J. geophys. Res., 70, 1231. (The magnetosphere and plasma tails.) Beard, D. B. 1966, Planet. Space Sei., 14, 303.
Bernasconi, A. 1965, Icarus, 4, 214. (Method of analysis of a comet’s tail.)
Biermann, L. (a) 1951, Z. Astrophys., 29, 274. (Solar corpuscular interaction with tail ions.)
Biermann, L.(b) 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 297. (Survey of plasma tails and the solar wind.)
Biermann, L., Brosowski, B., Schmidt, H. U. 1966, Ber. Bayer. Akad. Wiss., July. (‘Contact’ surface in MHG plasma tail formation. )
Biermann, L., Lüst, Rh. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 329. (A solar event and a plasma tail knot.)
Bouska, J. 1964, Bull. astr. Inst. Csl., 15, 113. (Velocity and acceleration tail in Arend- Roland.)
Brandt, J. C. (a) 1966a, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 309. (First results on solar wind and the orientation of plasma tails.)
Brandt, J. C. (b) 1966by Astrophys. J., 144, 1221. (Torque on the Sun of solar wind by measured comets.)
Brandt, J. C. (c) 1966c, G.S.F.C. (Gross plasma velocities for the orientation of ionic comet tails.)
Brandt, J. C., Belton, M. J. S., Stephens, M. W. 1966, Astr. J., 71, 157 (abstr.). (Velocities of solar wind plasma from the orientations of ionic comet tails.)
Cailliatte, Ch. 1966, Bull. astr., Paris, Sér. 3, fasc. 2, 37. (Method in analysis of gas and dust tails.)
Čeredničenko, V. I. 1965a, in Fizika komet i meteorov, Naukova Dumka, Kiev, p. 45 (1965b, ibid., p. 50; 1965c, Kometnyi Cirkulyar, no. 26). (C3H6, C2H2C2 and CO molecules in the photon and corpuscular radiation field of the Sun.)
Dobrovol’skij, O. V. 1964a, Bjull. Kom. Komet. Meteor., no. 9, 3 (19646, ibid., 9 ). (Corpuscular solar wind and cometary outbursts.)
Fajziev, E. 1964, Bjull. Inst. Astrofiz. Dusanbe-Stalinabad, no. 37, 3 (19646, ibid., no. 38, 32 ). (Tail velocities of Arend-Roland decrease with distance from the Sun.)
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Guigay, G. (a) 1966a, C. r. Acad. Sci. Paris, Sér. B, 262, 1574. (Solar wind and direction of tail, 1965f.)
Guigay, G. (b) 19666, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 369. (On the form of the tail of 1961c.)
Harwit, M., Hoyle, F. 1962a, Astrophys. J., 135, 867 (1962b, ibid., 875 ). (Theory of type-1 tails and solar wind.)
Ioffe, Z. M. 1965, Bjull. Inst. Astrofiz. Dusanbe-Stalinabad, no. 39, 84 ( 1966a, Astr. Zu., 43, 175; 19666, ibid., 655 ). (Supersonic MHD flow about comet plasma.)
Juzakov, V. M. 1963, Astr. Zu., 40, 779. (Calculates field of 5 x io-6 G from CO+ ions in head 1957h.)
Kazantseva, N. N. 1966, Bjull. Astrofiz. Inst. Dušanbe-Stalinabad, no. 41–42, 51. (Shock front in cometary plasma.)
Kearns, C. E., Rudnicki, K. 1965, Acta astr., 15, 1. (Velocity components for 35 features in the tail of 1962 VIII.)
Kovar, N. S., Kern, J. W. 1966, Astr. J., 71, 861 (abstr.). (Proposed hydromagnetic model for comets.)
Lüst, Rh. 1967, Letter, in press. (CO+ features in 1908 III.)
Marocnik, L. S. 1963, Astr. Zu., 40, 714 ( 1964, Bjull. Kom. Komet. Meteorno. 9, 19 ). (Interaction of the solar wind with the plasma head of a comet.)
Ness, N. F. 1966, Science, 151, 1041. (Earth’s magnetosphere and similarity with comet tails.)
Ness, N. F., Donn, B. D. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 343. (Excellent description of plasma tail theory.)
Ness, N. F., Wilcox, J. M. 1964, Phys. Rev. Letters, 13, 461. (Observations of the solar wind.)
Öpik, E. J. (a) 1956, Irish astr. J., 4, 49; also in Armagh Obs. Leaflet no. 44 ( 1964, Z. Astrophys., 58, 192 ). (Motions of condensations in the tail of P/Halley.)
Öpik, E. J. (b) 1965, Irish astr. J., 7, 38. (On the production of CO+ ions in type-I tails.)
Pflug, R. P. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 363. (Statistics of plasma tail directions and solar activity.)
Ptitsina, N. G. 1964, Bjull. Kom. Komet. Meteor., no. 9, 12 (1965, ibid., no. 11, 11 ). (MHG approach to moving envelopes, and rays in type-I tails.)
Sekanina, Z. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 145. (Evidence for coma diameters affected by solar wind.)
Snyder, C. W., Neugebauer, C. W., Rao, U. R. 1963, J. geophys. Res., 68, 6361. (Observations of the solar wind.)
Wallis, M. K. 1967, Planet. Space Sci., 15, 137. (Plasma instability and viscosity in plasma- tail ray production.)
Wurm, K., Mammano, A. 1964, Icarus, 3, 1. (Axes of type-I comet tails.)
G. Type-II and -III tails
Belton, M. J. S. 1965, Astr. J., 70, 451 ( 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 317 ). (Evidence that direction and velocities in dust tails indicate an effect of solar wind.)
Demenko, A. A. 1966, Vestnik Kiev Univ., no. 8, Ser. Astron. ( Theory and measures of synchronic formations in comet tails. )
DobrovoPskij, O. In preparation. (Analysis of all published data on accelerations of dust particles.)
Fajziev, E. 1964a, Bjull. Inst. Astrofiz. Dusanbe-Stalinabad, no. 37, 3 (19646, ibid., no. 38, 32 ). (Initial velocity of particles ejected into the tail of 1957 III.)
Finson, M. L., Probstein, R. F. 1966, Amer. Inst. Aeron. Astronaut. Paper, no. 66, New York. ( Motions of gas from cometary nucleus and light pressure. )
Levin, B. J. (a) 1964, Icarus, 3, 497. (Lifetime of Na too short to account for motion in tails of comets.)
Levin, B. J. (b) 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 323. (Arguments for molecules in type-11 tails.)
Notni, P. 1964, Ver off. Sternw. Babelsberg, 15, heft 1 ( 1966, Univ. Liège Astrophys. Coll. 8°, Vol. 21, no. 510, 379 ).
H. Laboratory work
Bauer, S. H., Herzberg, G., Johns, J. W. C. 1964, J. molec. Spectrosc., 13, 256. (Spectrum of BH.)
Colin, John, J. W. C. In preparation. (Spectrum of NCI.)
Douglas, A. E., Johns, J. W. C. Can. J. Phys., in press. (Spectrum of NF.)
Douglas, A. E., Jones, W. J. 1965, ibid., 43, 2216. (Spectrum of N3.)
Fishburne, E., Narahari-Rao, K. 1966, ibid., 409. (High-dispersion spectra of CO+.)
Gausset, L. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 413. (See also Gausset et al., 1965.)
Gausset, L., Herzberg, G., Lagerquist, L., Rosen, B. 1965, Astrophys. J., 142, 45. (Intension study of the spectrum of C3 λ 4050 group.)
Herman, R. 1966, ibid., 411 (abstr.). (Polymerization and growth of carbon from an electric discharge.)
Herzberg, G. 1966, Letter. (New band system of C, CJ or C2.)
Herzberg, G., Johns, J. W. C. Proc. R. Soc. London, in press. (Red bands of CH2.)
Herzberg, G., Travis, D. N. 1964, Can. J. Phys., 42, 1658. (Spectrum of NCN.)
Johns, J. W. C. 1964, ibid., 1004. (Spectrum of CO[MATHTYPE].)
Jungen, Ch., Miescher, E. 1966, Astrophys. J., 142, 1660. (Emission spectrum of NO, 1400–1600 Å.)
Kova’, A. G., Koppe, V. T., Foge’, Ja. M. 1966a Kosm. Issled., 4, no. 1 ( 1966b, Astr. Zu., 43, 209 ). (Emission spectra of several molecules including excited by 13 keV electrons.)
Merer, A. J., Travis, D. N. (a) 1965, Can. J. Phys., 43, 1795. (Spectrum of CCN.) (b) 1966, ibid., 44, 353. (Spectrum of CNC.)
Monfils, A. 1965a jf. molec. Spectrosc., 15, 265 (1965Ô, Tech. Note, no. 7, Liège, AFCRL- 65–684, 15 July). ( H2, HD, D2 in absorption. )
Morrow, Can. J. Phys., in press. (Spectrum of SH.)
Papazian, H. 1966, Letter from N. Roman. ( Study of radicals in photochemical reactions. )
Phillips, J. G. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 393. (Important summary of spectroscopic data and physical properties of many cometary molecules and ions.)
Poulizac, M.-C., Desesquelles, J., Dufay, M. C. r. Acad. Sei. Paris, 263, in press. (See also Dufay and Poulizac, 1966.)
Stief, L. J., DeCarlo, V. J. 1965, Nature, 205, 1197. (Laboratory work on CH4, C2H2, C2H4 and C2H6.)
Vaidya, W. M. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 433. ( Cometary CH and OH bands in hydrocarbon flame; HCO in comets? )
Verma, R. D. 1965, Can. J. Phys., 43, 2136. (Absorption system of SiH and SiD.)
I. Space experiment
Bredohl, H. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 417. (NH3 artificial comet experiment to 200 km.)
Föppl, H., Haerendel, G., Loidl, J., Lüst, Rh., Melzner, F., Meyer, B., Neuss, H., Rieger, E. 1965, Planet. Space Sci., 13, 95 (ibid., 15, 357 ). (Report on observations of artificial plasma sent as high as 2000 km by rockets.)
Gronstal, P. T., Bukata, R. P. 1966, Nature, 211, 176. (Balloon search for low-energy protons from Comet Ikeya-Seki, none identified.)
Haerendel, G., Lüst, Rh., Rieger, E. Planet. Space Sci., in press. (See Föppl et al., 1965.)
Öpik, E. J. 1965, Irish astr. J., 7, 31. (On cometary physics and related experimentation.)
Potter, A. 1966, Letter from N. Roman. (A cloud of CN radicals was produced at 150 km by a chemical reaction.)
Roberts, D. L., Narin, F., Pierce, P. M. 1966, Univ. Liège Inst. Astrophys. Coll. 8°, Vol. 21, no. 510, 261. (Planning for cometary intercept space missions.)
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Whipple, F.L. (1967). Commission Pour L’Etude Physique Des Cometes. In: Perek, L. (eds) Reports on Astronomy/Proceedings of the Thirteenth General Assembly Prague 1967. International Astronomical Union Transactions, vol 13B. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-3476-0_9
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