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Olga V. Zakhozhay

Dr. Olga V. Zakhozhay

In 2007 year she graduated from the V.N. Karazin National University (physics department, astronomical specialty), with an honours degree.

In the period 2007-2011, she was a graduate student of the Main Astronomical Observatory National Academy of Sciences of Ukraine. In 2011she has successfully defended her Ph.D. thesis titled “Spectral energy distribution peculiarities of systems with circumsubstellar disks”.

In the period 2011-2012, she was a junior researcher and since 2013 - a researcher at the Main Astronomical Observatory National Academy of Sciences of Ukraine in the planetary systems physics department.

In 2008 she worked on the project “A UVES atlas of emission line profiles in young stellar and substellar objects” at The European Southern Observatory – ESO (Short-term visitorship supported by the Director General Discretionary Found) under the supervision of Fernando Comerón.

In 2013 she worked on the project “Spectral energy distributions of fragmenting protostellar disks” at the Institute for Astrophysics, University of Vienna (supported by the Austrian Agency for International Cooperation in Education and Research, OeAD) in collaboration with Eduard Vorobyov.

She gave talks at the seminars in:

  • Main Astronomical Observatory of NAS of Ukraine (Kyiv, Ukraine, 2008 – 2014),
  • Institute of Astrophysics, University of Vienna (Vienna, Austria, 2013),
  • Institute of Radio Astronomy of NAS of Ukraine (Kharkiv, Ukraine, 2011),
  • Astronomical Institute of the Ruhr University (Bochum, Germany, 2010 and 2011).

She participated in international conferences and schools that took part in Ukraine, Croatia, the Vatican, Italy, Great Britain, Spain, Portugal, Germany, Austria, the United States, Armenia, Slovakia, Brazil, China and France.

Scientific interests: planetary, substellar, and stellar formation, exoplanets, low-mass stellar and substellar objects.

Main scientific publications

  • Zakhozhay O. V., Vorobyov E.I. and Dunham M.M. Observational signatures of proto brown dwarf formation // Memorie della Società Astronomica Italiana – 2013. – Vol. 84, n.4 – P. 880-884.
  • Vorobyov E.I., Zakhozhay O. V. and Dunham M.M. Fragmenting protostellar disks: properties and observational signatures // Mon. Not. R. Astron. Soc. – 2013. – Vol. 433 – P. 3256-3273.
  • Zakhozhay O. and Vorobyov E.I. The signatures of disk fragmentation in spectral energy distributions // Proceedings of the conference Hot Planets and Cool Stars, Garching, November 12-16, 2012. – EPJ Web of Conferences – 2013. – Vol. 47 – 14003.
  • Zakhozhay O., Vorobyov E.I. Can disk fragmentation leave signatures in spectral energy distributions? // Proceedings of the workshop Instabilities and Structures in Proto-Planetary disks, Marseille, September 17-20, 2012. – EPJ Web of Conferences – 2013. – Vol. 46 – 02004.
  • Zakhozhay O.V., Vorobyov E.I. Spectral energy distributions of fragmenting protostellar disks // Formation, detection, and characterization of extrasolar habitable planets Proceedings IAU Symposium No. 293, Beijing, August 27-31, 2012; 2013 – Vol. 293. – submitted.
  • Zakhozhay O.V. Circumsubstellar disks SED in dependence of system parameters// Advances in astronomy and Space Physics – 2012 – Vol. 2, Iss. 2 – P. 143-145.
  • Zakhozhay O.V. Circumsubstellar disks’ SED depending on system inclination // From Interacting Binaries to Exoplanets: Essential Modeling Tools Proceedings of the International Astronomical Union, IAU Symposium 282, Tatranská Lomnica, July 18-22, 2011; 2012. – Vol. 282. – P. 448-449.
  • Zakhozhay V. A., Zakhozhay O. V., and Vidmachenko A. P. Peculiarities of simulation of thin flat discs with central objects in accordance with their spatial location // Kinematics and Physics of Celestial Bodies – 2011 – 27, №3 – P.140-153.
  • Zakhozhay O.V. Spectral energy distribution simulations for substars with disks having inner holes // Radio Physics and Radio Astronomy – 2011 – 2, №3 – Р. 211-220.
  • Zakhozhay O.V. Spectral energy distribution simulations for substars with gapless disks // Radio Physics and Radio Astronomy – 2011 – 2, №2 – Р. 125-132.
  • Zakhozhay O.V. Modeling of SEDs for substars with disks that have different geometrical and physical parameters // The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution, Proceedings of the International Astronomical Union, IAU Symposium, Torino, October 11-15 2010; 2011. – Vol. 276. – P. 467-468.
  • Zakhozhay O.V., Zakhozhay V.A. The SEDs of Circumsubstellar Protoplanetary Disks // Pathways Towards Habitable Planets, Proceedings of Conference, Barcelona, September 14-18, 2009; еds V.C. du Foresto, D.M. Gelino, I.Ribas – ASP Conference Series. Vol. 430. –– San Francisco, 2010. – P. 560–563.
  • Zakhozhay V.A., Zakhozhay O.V. the preliminary results of spectral energy distribution calculations for substars with disks // The All-Russian Astrometric Conference "Pulkovo - 2009", St. Peterburg, 15-19 June 2009, proceedings book, - The Central Astronomical Observatory of the Russian Academy of Sciences, 2010. – P.119-124.
  • Zakhozhay V.A., Zakhozhay O.V. Disks around nearest stars and substars // Kinematics and Physics of Celestial Bodies – 2010. – 26, № 1. – p. 3-30.
  • Zakhozhay O.V., Vid’machenko A.P., Zakhozhay V.A. Expected number of accessible for observation circumsubstellar discs in the Local stellar system // Proceedings of 15th Open Young Scientists’ Conference on Astronomy and Space Physics. April 14-19, 2007. – Kyiv National Taras Shevchenko University. – 2008. – P. 37-40
  • Zakhozhay O.V., Vid’machenko A.P., Zakhozhay V.A. Simulation of the continuous spectrum of substars with protoplanetary discs// Proceedings of 14th Open Young Scientists’ Conference on Astronomy and Space Physics. April 23-28, 2007. – Kyiv National Taras Shevchenko University. – 2007 – P. 91-94
  • Zakhozhay O.V., Zakhozhay V.A., Krugly Yu.N. Catalogue of Planetary Objects.Version 2006.0 // Proceedings of 13th Open Young Scientists’ Conference on Astronomy and Space Physics. April 25-29, 2006. – Kyiv National Taras Shevchenko University. – 2006. – P. 122-133.