Determination of secular polar motion from astronomical observations. The priority of O. Ya. Orlov
Heading:
| 1Korsun, AA 1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine |
| Kinemat. fiz. nebesnyh tel (Online) 2016, 32(2):74-80 |
| Start Page: Research in the History of Astronomy |
| Language: Ukrainian |
Abstract: The purpose of this publication is to pay attention to the priority of the well-known astronomer and geophysicist, member of the Academy of Sciences of UkrSSR A. Ya. Orlov (1880—1954) in the determination of such parameters of the secular polar motion of the Earth as its speed (4 mas/year) and direction (69°W). His results obtained in 1954 were based on the astronomical observations made in the period from 1900 to 1950 with zenith-telescopes at international latitude stations. A. Ya. Orlov is well-known as the founder of the Poltava gravimetric observatory, the Main astronomical observatory, and of the school of global geodynamics, but his pioneer work on secular polar motion based on the data of astronomical observations turned out to be little known. At the present, these first secular polar motion estimates obtained by Orlov have been verified by the century-long observations (from 1900 to 2012) with different telescopes at many observatories in the world and by different methods, astronomical as well as cosmic (LLS, VLBI, GNSS, etc.). |
| Keywords: latitude station, secular polar motion, zenith-telescope |
References:
1.L. D. Kostina and V. I. Sakharov, “On the secular motion of the Earth’s geographic pole,” Astron. Astrofiz., No. 27, 7–13 (1975).
2.N. T. Mironov and A. A. Korsun’, “On the relative zenith movements of astrophysical observatories,” Astron. Astrofiz., No. 22, 106–110 (1974).
3.A. A. Mikhailov, “On the Earth’s polar motion,” Astron. Zh. 48, 1301–1304 (1971).
4.A. Ya. Orlov, “On the secular polar motion,” in About the Tasks and the Program of Observations of International Latitude Service (Akad. Nauk. SSSR, Moscow, 1954), pp. 13–18 [in Russian].
5.A. Ya. Orlov, Latitude Service (Akad. Nauk. SSSR, Moscow, 1958) [in Russian].
6.B. F. Chao, “Autoregressive harmonic analysis of the Earth’s polar motion using homogeneous international latitude service data,” J. Geophys. Res., B 88, 10299–10307 (1983).
https://doi.org/10.1029/JB088iB12p10299
7.S. R. Dickman, “Investigation of controversial polar motion features using homogeneous international latitude service data,” J. Geophys. Res., B 86, 4904–4912 (1981).
https://doi.org/10.1029/JB086iB06p04904
8.S. R. Dickman, “Tectonic and cryospheric excitation of the Chandler wobble and a brief review of the secular motion of the Earth’s rotation pole,” ASP Conf. Ser. 208, 411–435 (2000).
9.R. S. Gross, “A determination and analysis of polar motion,” PhD Thesis (Univ. of Colorado, Boulder, 1982).
10.R. S. Gross, EOS Fall Meeting, San Francisco, Dec. 6–10, 1998.
11.B. B. Mandelbrot and K. McCamy, “On the secular polar motion and the Chandler wobble,” Geophys. J. R. Astron. Soc. 21, 217–232 (1970).
https://doi.org/10.1111/j.1365-246X.1970.tb01777.x
12.D. D. McCarthy and B. J. Luzum, “Path of the Mean Rotational Pole from 1899 to 1994,” Geophys. J. Int. 125, 623–629 (1996).
https://doi.org/10.1111/j.1365-246X.1996.tb00024.x
13.W. M. Markowitz, “Sudden changes in rotational acceleration of the Earth and secular motion of the pole,” in Earthquake Displacement Fields and the Rotation of the Earth, Ed. by L. Mansinha, D. E. Smylie, and A. E. Beck (Springer-Verlag, Dordrecht, 1970), pp. 69–81.
https://doi.org/10.1007/978-94-010-3308-4_7
14.I. Okamoto and N. Kikuchi, “Low frequency variations of homogeneous ILS polar motion data,” Publ. Int. Latitude Obs. Mizusawa 16, 35–40 (1983).
15.A. Poma, E. Proverbio, and S. Uras, “Path of the mean rotation pole from 1899 to 1994,” Pubbl. Staz. Astron. Int. Latitudine Carloforte–Cagliari 14, 119–125 (1991).
16.E. Proverbio and V. Quesada, “Analysis of secular polar motion and continental drift,” Bull. Geod. 109, 281–291 (1973).
https://doi.org/10.1007/BF02525575
17.A. Stoyko and N. Stoyko, “Variations de latitudes et longitudes et le mouvement de l’écorce terrestre,” in Proc. Problems of Recent Crustal Movements: 3rd Int. Symp., Leningrad, May 22–29, 1968, Ed. by Yu. D. Bulanzhe and Yu. A. Meshcheryakov (Akad. Nauk SSSR, Moscow, 1969), pp. 425–428 [in French].
18.H. Schuh, S. Nagel, and T. Seitz, “Linear drift and periodic variations observed in long time series of polar motion,” J. Geod. 74, 701–710 (2001).
https://doi.org/10.1007/s001900000133
19.J. Vondrak, C. Ron, I. Pesek, and A. Cepek, “New global solution of Earth orientation parameters from optical astrometry in 1900–1990,” Astron. Astrophys. 297, 899–906 (1995).
20.J. Vondrak, “Secular and long-periodic polar motion as derived from combination of astrometric and space geodetic observations,” in Proc. Journées 1998 “Système Référence Spatio-Temporels,” Paris, Sep. 21–23, 1998, (Observatory of Paris, Paris, 1999), pp. 195–201.
21.C. Wilson and R. Vicente, “An analysis of the homogeneous ILS polar motion series,” Geophys. J. R. Astron. Soc. 62, 605–616 (1980).
https://doi.org/10.1111/j.1365-246X.1980.tb02594.x
22.Ya. S. Yatskiv, “The Ukrainian geodynamics school of Alexander Ya. Orlov,” in Proc. Journées 1998 “Système Référence Spatio-Temporels”, Paris, Sep. 21-23, 1998, (Observatory of Paris, Paris, 1999), pp. 189–194.
23.S. Yumi and Y. Wako, “Secular motion of the pole,” in Earthquake Displacement Fields and the Rotation of the Earth, Ed. by L. Mansinha, D. E. Smylie, and A. E. Beck (Springer-Verlag, Dordrecht, 1970), pp. 82–87.
https://doi.org/10.1007/978-94-010-3308-4_8