Dr. Antonis Antoniou

Dr. Antonios Antoniou

PhD in Astrophysics

Faculty of Physics

Department of Astrophysics-Astronomy - Mechanics

National and Kapodistrian University of Athens

Home of Knowledge and Science in Chalkida

Webpage: http://antonios-antoniou.gr/

Contact

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Birth place:

Kymi, Island Euboea, Greece

Under- graduated studies:

University of Athens, Mathematics Department.

Post -graduated studies

  1. Certificate in Computer Programming, Open University of Hagen, Germany (1994)

  2. Master in Education and Methodology of the Mathematics, University of Athens, Faculty of Mathematics (1999)

  3. Msc. Astrophysics, University of Athens, Faculty of Physics, Department of Astrophysics –Astronomy – Mechanics (2003).

  4. PhD in Astrophysics, University of Athens, Faculty of Physics, Department of Astrophysics –Astronomy – Mechanics (2007).

Foreign Languages:

German, English

Ordinary member of

  • European Astronomical Society (E.A.S.).

  • German Union of Mathematics (D.M.V.)

  • Hellenic Astronomical Society (Hel.A.S.)

  • Hellenic Union of Mathematics

  • Hellenic Union of Physicists

Research

  • Satellite stellar spectroscopy of early type stars in the ultraviolet range of the electromagnetic spectrum.

  • Complex atmospherical structures in the environment of hot emission stars

Teaching

  • Applied Mathematics, University of Peloponnisos, Faculty of Science and Technology, Department of Telecommunications Science and Technology (PD 407/80) (winter semester 2010-11).

  • Star Spectroscopy in seminars of post graduate students in the University of Athens, Department of Physics, Section of Astrophysics, Astronomy and Mechanics (2004 until today).

  • Astronomy and Mathematics through interactive objects and situations in the Home of Knowledge and Science of Chalkida (2007 until today).

  • Mathematics, Astronomy and Physics in Lyceum (1985-2004).

Invited Lectures

1. Antoniou, A., Danezis, E., Lyratzi, E., Popovic, L. C, Dimitrijevic, M. S. “Kinematical parameters in the coronal and post-coronal regions of the Oe stars”, 2008, 24th Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2008), Novi Sad, Serbia.

2. Antoniou, A., Danezis, E., Lyratzi, E., Popovic, L. C, Dimitrijevic, M. S. “A new modelling approach for DACs and SACs regions in the atmospheres of hot emission stars” 2008, 2nd International Summer School on Stellar Atmospheres Belgrad, Serbia

Publications in Scientific Journals (Journal Articles)

33 publications in scientific journals (Journal Articles) according to: Smithsonian/NASA Astrophysics Data System (ADS)

  1. Stathopoulos, D., Danezis, E., Lyratzi, E., Antoniou, A., and Tzimeas, D. “Investigating the reasons of variability in Si IV and C IV Broad Absorption Line troughs of Quasars”, The European Physical Journal D (EPJ D),2017

  2. Stathopoulos, D., Danezis, E., Lyratzi, E., Antoniou, A., Tzimeas, D.,: “Multicomponent Analysis of UV Si IV and C IV Broad Absorption Troughs in BALQSO Spectra. The example of bJ1225+1339 and J02287+0002”, Journal of Astrophysics and Astronomy, December 2015.

  3. Antoniou, A., Danezis, E., Lyratzi, E., Poopovic, L.C., Stathopoulos, D. & Dimitrijevic, M.S.: “A statistical study of C IV regions in 20 Oe- stars”, Advances in Space Research (ASR), Elsevier, 2014.

  4. Antoniou, A., Danezis, E., Lyratzi, E., Stathopoulos, D.& Dimitrijevic, M.S.: “A statistical study of the Si IV resonance line parameters in 19 Be Stars”, Baltic Astronomy, vol. 20, 548-551, 2011

  5. Antoniou, A., Stathopoulos, D, Danezis, E., Lyratzi, E.: “Studying the UV Mg II resonance lines in 20 Be stars”, Baltic Astronomy, vol. 20, 572-575, 2011

  6. Lyratzi, E., Danezis, E., Popovic, L., Antoniou, A., Dimitrijevic, M.S., Stathopoulos, D, “The complex broad absorption line in a smple of QSO spectra”, Baltic Astronomy, vol. 20, 448-453, 2011

  7. Antoniou, A., Dimitrijević, M. S. & Stathopoulos, D.: «Studying the complex BAL profiles in the BALQSOs spectra», Proceedings of 25th Summer School and International Symposium on the Physics of Ionized Gases (SPIG 2010), held on August, 30 - September, 3, 2010, Donji Milanovac, Serbia 2010, JPhCS, 257a, 2035.

  8. Lyratzi, E., Danezis, E., Popović, L. Č., Dimitrijević, M. S., Antoniou, A., and Stathopoulos, D.: “Kinematic properties of the Broad Absorption Line Regions in the spectra of quasars”, 2010, MSAIS, 15, 161L.

  9. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., and Theodosiou, E.: “Studying the location of SACs and DACs regions in the environment of hot emission stars”, 2010, MSAIS, 15, 138A

  10. Danezis, E., Lyratzi, E., Antoniou, A., Popović, L. Č. and Dimitrijević, M. S.: “Studying the complex spectral line profiles in the spectra of hot emission stars and quasars”, 2010, MSAIS, 15, 13D

  11. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S. and Stathopoulos, D.: ”A new approach of the GR Model” ASP Conference Series, Vol. 424, 2010.

  12. Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S. and Antoniou, A.:“Investigating DACs/SACs Phenomena in Hot Emission Stars and Quasars” ASP Conference Series, Vol. 424, 2010.

  13. Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S. and Antoniou, A.:“Ways of creation of DACs and SACs in the spectra of PG 0946+301 and PG 1254+047” ASP Conference Series, Vol. 424, 2010.

  14. Danezis, E. Lyratzi, E. Popović, L. Č., Dimitrijević, M. S., Antoniou, A., “Interpreting the complex line profiles in the stellar spectra”, 2009 NewAR 53, 214

  15. Lyratzi, E., Popović, L. Č.,Danezis, E., Dimitrijević, M. S., Antoniou, A., “Kinematics of the broad absorption line region in QSOs: Rotation and random motion”, 2009, NewAR, 53, 179

  16. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Theodossiou, E. & Stathopoulos, D.: “A study of the atmospherical structure of the AX mon (HD 45910)”, , Joint European and National Astronomical Meeting (JENAM 2008), September 8-12, 2008, Vienna Austria 2009, Comn. Asteroseismology, 159.

  17. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Kinematical parameters in the coronal and post-coronal regions of the Oe stars”, 24th Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2008), Αύγουστος 25-29, 2008, Νόβισαντ, Σερβία. 2008, JPhCS, 133a, 2028.

  18. Lyratzi, E., Danezis, E., Popović, L. Č., Dimitrijević, M. S. & Antoniou, A.: “DACs and SACs phenomena in the C IV emitting regions of QSOs”, 24th Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2008), August 25-29, 2008, Novi Sad, Serbia, 2008, POBeo, 84, 483.

  19. Danezis, E., Lyratzi, E., Popović, L. Č., Antoniou, A. & Dimitrijević, M. S.: “The very broad lines in the UV spectra of hot emission stars - A possible explanation”, 24th Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2008), August 25-29, 2008, Novi Sad, Serbia, 2008, POBeo, 84, 463.

  20. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Theodossiou, E. & Stathopoulos, D.: “A study of AX Mon (HD 45910) kinematical parameters of the Fe II density regions”, 24th Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2008), August 25-29, 2008, Novi Sad, Serbia, 2008, POBeo, 84, 455.

  21. Danezis, E., Nikolaidis D., Lyratzi, E., Popović, L. Č., Dimitriević, M. S., Antoniou, A. & Theodosiou, E.: “A new model for the structure of DACs and SACs regions in Oe and Be stellar atmospheres”, 2007, PASJ, 59, 827.

  22. Lyratzi, E., Danezis, E., Nikolaidis, D., Popović, L. Č, Dimitrijević, M. S. & Antoniou, A. “The complex structure of the MgII λλ 2795.523, 2802.698 Α regions of 64 Be stars” 2007, PASJ, 59, 357.

  23. Nikolaidis, D., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Antoniou, A. & Theodossiou, E.: A New Approach For DACs And SACs Phenomena In The Atmospheres Of Hot Emission Stars, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic, 2006, IAUJD, 4E, 11, 2007, uasb.conf, 107

  24. Lyratzi, E., Danezis, E., Antoniou, A., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “The complex structure of the Si IV λλ 1393.755, 1402.77 Å regions of 68 Be-type stars”, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic, 2006, IAUJD, 4E, 10, 2007, uasb.conf, 137.

  25. Lyratzi, E., Danezis, E., Antoniou, A., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Study of Hα regions in 120 Be-type stars”, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic. 2006, IAUJD, 4E, 9, 2007, uasb.conf, 131.

  26. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Hyper Ionization Phenomena In The N V Region Of 20 Oe Stars”, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic, 2006, IAUJD, 4E,, 2007, uasb.conf, 155.

  27. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Hyper Ionization Phenomena In The N IV Region Of 20 Oe Stars”, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic, 2006, IAUJD, 4E, 6, 2007, uasb.conf, 149.

  28. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Hyper Ionization Phenomena In The C IV Region Of 20 Oe Stars”, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic, 2006, IAUJD, 4E, 5, 2007, uasb.conf, 143.

  29. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č., Dimitrijević, M. S. & Theodossiou, E.: Long term variability of the coronal and post-coronal C IV region of the Oe star HD 93521, XXVIth IAU General Assembly, 2006, August 14-25, Prague, Czech Republic, 2006, IAUJD, 4E, 4, 2007, uasb.conf, 113.

  30. Lyratzi, E., Danezis, E., Nikolaidis, D., Popović, L. Č., Dimitriević, M. S., Theodossiou, E. & Antoniou, A.: “A new approach for the structure of Ηα regions in 120 Be stars”, 5th Serbian Conference on Spectral Lines Shapes in Astrophysics (V SCSLSA), June 2005, Vrsać, Serbia, 2005, MSAIS, 7, 114.

  31. Danezis, E., Nikolaidis, D., Lyratzi, E., Popović, L. Č., Dimitriević, M. S., Theodossiou, E. & Antoniou, A.: “A new modelling approach for DACs and SACs regions in the atmospheres of hot emission stars”, 5th Serbian Conference on Spectral Lines Shapes in Astrophysics (V SCSLSA), June 2005, Vrsać, Serbia, 2005, MSAIS, 7, 107.

  32. Danezis, E., Lyratzi, E., Nikolaidis, D., Stathopoulou, M., Theodossiou, E., Drakopoulos, C., Soulikias, A. & Antoniou, A.: “On modeling SACs regions in early type atmospheres”, IV Serbian Conference on Spectral Lines Shapes (IV SCSLS), 2003, October 10-15, Arandjelovac, Serbia, 2003, POBeo, 76, 179.

  33. Danezis, E., Antoniou, A., Lyratzi, E., Theodossiou, E., Stathopoulou, M., Nikolaidis, D., Drakopoulos, C., Soulikias, A. & Koutroumanou, M.: “The complex coronal structure of the Oe star HD 175754”, IV Serbian Conference on Spectral Lines Shapes (IV SCSLS), 2003, October 10-15, Arandjelovac, Serbia, 2003, POBeo, 76, 175,

Publications in Reviewed Conferences' Proceedings

19 Publications in Reviewed Conferences’ Proceedings (according to: Smithsonian/NASA Astrophysics Data System (ADS))

  1. Antoniou, A., Danezis, E., Lyratzi, E. and Stathopoulos, D.: “The structure of the Si IV region in Be stars: a study of Si IV spectral lines in Be 68 stars” 26th Summer School and International Symposium on the Physics of Ionized Gases (SPIG 2012) IOP Publishing, Journal of Physics: Conference Series 399 (2012) 012021

  2. Lyratzi, E., Danezis, E., Popović, L. Č., Dimitrijević, M. S. & Antoniou, A.: “DACs and SACs in the UV Spectrum of the Quasar PG 0946+301”,19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 - 20, 2008, Valladolid, Spain, 2008, AIPC, 1058, 323.

  3. Lyratzi, E., Danezis, E., Popović, L. Č., Dimitrijević, M. S. & Antoniou, A.: “Kinematics of Broad Absorption Line Regions of PG 1254+047”, 19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 - 20, 2008, Valladolid, Spain, 2008, AIPC, 1058, 320,

  4. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Theodosiou, E. & Katsavrias, G.: “A Study of the Structure of Different Ionization Potential Regions in the Atmosphere of AX Mon (HD 45910)”, 19th International