Papers, etc.

Papers are at the Armagh Observatory, Armagh, Northern Ireland.

Other References: Historical

Arny, Thomas, “The Star Makers: a History of the Theories of Stellar Structure and Evolution,” Vistas in Astronomy 33, 2, 211-33 (1990).

Bailey, M.E., S. V. M. Clube, & W. M. Napier, The Origin of Comets (Pergamon Press, Oxford, UK, 1990).

Bennett, J.A., Church, State, and Astronomy in Ireland: 200 Years of Armagh Observatory (Armagh Observatory, Armagh in association with the Institute of Irish Studies, the Queen’s University of Belfast, 1990).

Butler, C.J., A Short History of Armagh Observatory
http://star.arm.ac.uk/history/history.html

De Groot, Mart, “Armagh Observatory: 200 Years of Irish Excellence,” Astronomy Now 4, 56-58 (1990).

De Groot, Mart, “Ernst Julius Öpik, 1893 - 1985. Reflections on the Life, Works and Personality of Estonia’s Greatest Astronomer.,” International Scientific Conference Devoted to the 200th Anniversary of F.G.W. Struve and J.H. Mädler and the 100th Anniversary of E. J. Öpik, 11-14 (1994).

de Vermond, Mary, “E. Öpik—Composer,” Irish Astr. Jour. Supp. 10, 82-86 (1972).

Eelsalu, Heino, “The Rise and Fall of Small Astronomical Observatories: A Case Study Dorpat/Tartu Observatory,” Journal of Astronomical History & Heritage 2, 2, 111-23 (1999).

Glaessner, M.F., J.H. Shergold & C. Teichert, “Armin Alexander Öpik 1898-1983,” Australian Academy of Science, Biographical Memoirs of Deceased Fellows [brother]
http://www.asap.unimelb.edu.au/bsparcs/aasmemoirs/opik.htm

Muursepp, Peeter & Raimund Preem, “Ernst Öpik and the Perseid Shower,” Sky & Telescope 36, 376 (1968).

Öpik, U. [son], “Reminiscences of Ernst Öpik,” International Scientific Conference Devoted to the 200th Anniversary of F.G.W. Struve and J.H. Mädler and the 100th Anniversary of E. J. Öpik p. 16.

Pustylnik, I., “E. Öpik and the Tartu School of Astrophysics and Stellar Astronomy (1922 - 1945).,” Zvaigžnotā Debess 153, 36-39 (1996).

Pustylnik, I., “Ernst Öpik’s Fundamental Ideas on the Structure of Red Giants,” Astr. Nach. 323, 574-78 (2002).

Sterken, C., “Ernst Julius Öpik, Solar Variability and Climate Change,” Baltic Astronomy 20, 195-203 (2011).

Teerikorpi, P., “ On Öpik’s Distance Evaluation Method in a Cosmological Context, ” Astronomy & Astrophysics , 531, id.A10 (2011).

Tsitsin, F.A., “Ehpik i komety — Öpik and Comets,” Istoriko-Astronomicheskie Issledovaniya 29, 128-36, 340 (2004) [in Russian].

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Other References: Scientific

There is a bibliography of Öpik’s publications from 1912-1969 in Irish Astr. Journal 10, 9-22 (1972) and a bibliography from 1972-1985 by J. McFarland in Astron. Nach. 198, 49 (1914).

Öpik, E., “The Densities of Visual Binary Stars,” Ap.J. 44, 292-302 (1916).

Öpik, E., “An Estimate of the Distance of the Andromeda Nebula,” Ap.J. 55, 406-10 (1922).

Öpik, E.J., “Notes on Stellar Statistics and Stellar Evolution,” Tartu Observatory Publications 25, 2 (1922).

Öpik, E.J., “Results of Double-Count Observations of the Perseids in 1921,” Tartu Observatory Publications 25, 4, 3-70 (1923).

Öpik, E.J., “Atomic Collisions and Radiation of Meteors,” Acta Commentationes Univ. Tartu A26, 2, 1-39 (1933).

Öpik, E.J., “Stellar Structure, Source of Energy, and Evolution,” Tartu Observatory Publications 30, 3, 1-115 (1938). [partly reprinted, with commentary, in Lang, Kenneth R. & Owen Gingerich, eds., A Source Book in Astronomy & Astrophysics, 1900-1975 (Harvard Univ. Press, Cambridge, MA, 1979), 342-48]

Öpik, E.J., “Secular Changes of Stellar Structure and the Ice Ages,” MNRAS 110, 49-68 (1950).

Öpik, E.J., “Transport of Heat and Matter by Convection in Stars,” MNRAS 110, 559-89 (1950).

Öpik, E., “Stellar Models with Variable Composition. II. Sequences of Models with Energy Generation Proportional to the 15th Power of Temperature,” Proc. R. Irish Acad. A 54, 44-47 (1951).

Öpik, Ernst Julius, Physics of Meteor Flight in the Atmosphere (Interscience, NY, 1958).

Öpik, Ernst Julius, The Oscillating Universe (Mentor, NY, 1960).

Öpik, E.J., “The Lunar Surface as an Impact Counter,” MNRAS 120, 404 (1960).

Öpik, E.J. & S.F. Singer, “Escape of Gases from the Moon,” Jour. Geophys. Res. 65, 3065-70 (1960).

Öpik, Ernst J., “Tidal Deformations and the Origin of the Moon,” Astronomical Journal 66, 60-67 (1961).

Öpik, E.J. & S.F. Singer, “Density of the Lunar Atmosphere ,” Science 133, 1419-20 (1961).

Öpik, E.J., “The Aeolosphere and Atmosphere of Venus,” Jour. Geophys. Res. 66, 2807-19 (1961).

Öpik, Ernst Julius, Atmosphere and surface properties of Mars and Venus (North-Holland, Amsterdam, 1962).

Öpik, E.J., “Jupiter: Chemical Composition, Structure, and Origin of a Giant Planet,” Icarus 1, 200-57 (1962).

Öpik, E.J., “The Lunar Atmosphere,” Planetary & Space Sci. 9, 211-44 (1962).

Öpik, E.J., “Climatic Change in Cosmic Perspective,” Icarus 4, 289-307 (1965).

Öpik, E.J., Mysteries of the Solar System (Oxford U. Press, Oxford, UK, 1968).

Öpik, Ernst J., “Comets and the Formation of Planets,” Astrophys. & Space Sci. 21, 307- 98 (1973).

Öpik, Ernst Julius, Interplanetary Encounters: Close-range Gravitational Interactions (Elsevier, Amsterdam & NY, 1976).

Öpik, Ernst J., “The Moon's Surface,” Ann. Rev. Astron. & Astrophys. 7, 473 (1977).

Öpik, Ernst J., “The Mission Planet,” Moon and the Planets 18, 327-337 (1978).

Valsecchi, Giovanni B., “Close Encounters in Öpik’s Theory,” in Singularities in Gravitational Systems, Lecture Notes in Physics, vol. 590, D. Benest, C. Froeschlé, eds. (Springer, Heidelberg, 2002), p.145 [abstract].

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Other Works: History, Popularizations, Fiction, etc.

Öpik published hundreds of popular articles in the Irish Astronomical Journal.

Öpik, E., “Meteorites and the Age of the Universe,” Pop. Astron. 41, 71-78 (1933).

Öpik, E.J., “Astronomical Aspects of the Exploration of Space I,” Irish Astr. Journal 6, 71, 14-28 (1963).

Öpik, E.J., “Dust and Interstellar Absorption,” Irish Astr. Journal 14, 70-72 (1979).

Öpik, Ernst J., “Space Travel and Life Beyond the Earth,” Cosmic Search 3, 2, 2 (1981) and 3, 3, 10 (1981) [reprinted from Irish Astr. Journal 11.

Öpik, Ernst Julius, The Hierarchical Universe (last talk, 1981)
http://www.arm.ac.uk/history/opik/opik-talk.html.

Öpik, E.J., “Kometen—Einfuhrung und Rehabilitation,” Die Sterne 61, 267-69 (1985).