P rominent t ajik f igures of the

Institute of Astrophysics
The Institute of Astrophysics was founded in 1932. It consists of the following 8
departments:
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Physics of Comets and Asteroids
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Meteor Astronomy
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Astrometry
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Variable Stars
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Structure and Dynamics of Stellar Systems
•
Ionosphere
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Laboratory of Experimental Astrophysics; and International- astronomical
observatory Sangloh (IAOS); a branch of the IAOS in the eastern Pamirs
•
The Hissar Astronomical Observatory (HisAO).
The major fields of investigation in the Astrophysics Institute include
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Physics and dynamics of comets, asteroids and meteoroids;
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Physics of the ionosphere of the Earth and seismoionospheric effects;
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Astrometry;
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Physics of variable stars;
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Physics and dynamics of galaxies.
The major scientific results of the Institute include
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The new comet (Bakharev - Makfarlan - Krinke) was found. New methods
for solving the problems of the mechanical theory of comet forms were

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Prominent Tajik Figures of the Twentieth Century

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established. The negative polarization of a comet's radiation, phase

dependence of integral brightness of comets, and nuclei surface of part of
the short periodic comet with refractory rind were investigated. The
molecular hydrogen was predicted; the negative magnetohydrodynamic
theory of comets was worked out, and the mechanisms of members of
unsteady phenomena in a comet were given and their connections with solar
activity were established. Investigations of Haley's comet were carried out
on the international IHW program.
•
The complex investigations on the physics and dynamics of meteors were
carried out; the method of instantaneous expositions of the photographing of
meteors was worked out and utilized. The connection between concrete
meteoroid showers and comets and asteroids were established, and the
theory of the evolution of meteoroid streams and quasi-continuous
fragmentation of meteoroids was worked out. The connection between the
ionospheric heterogeneities and meteoric phenomena was established. The
flow of meteor matters to earth was determined and, jointly with other
institutions of the C.I.S. countries, a Standard was established. The
connection of the eleven-year cycle of the dynamic processes in the upper
atmosphere of the earth with solar activity was established, and new meteor
streams and associations were found. The physical properties of the E and F
ionospheric layers of the earth were investigated. New seismoionospheric
effects that allow us to predict large earthquakes of a magnitude of more
than 5 were established.
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The Institute took part in the compiling of a stellar catalogue, as well as
catalogues of geostationary satellites.
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Three new and several hundred variable stars, as well as the polarization of
radiation in protoplanet gas-powdered envelopes of the variable stars were
found. The mechanisms of the variability of the stars were given. The
Institute archive consists of more than 70,000 photoplates.
•
The astrometeorology of Tajikistan was investigated.
For achievements in astronomy, the Institute was decorated by Order of the Red
Banner of Labor (1969). Two asteroids were named in honor of scientists of the
Institute.

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