Emilios T. Harlaftis
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Emilios T. Harlaftis ( el, Αιμίλιος Χαρλαύτης; 29 March 1965, in
Kiato Kiato ( el, Κιάτο) is a town in the northern part of Corinthia in the Peloponnese, Greece. It is the seat of the municipality of Sikyona. Kiato is situated on the Gulf of Corinth, near the mouth of the river Asopos. It has much tourist activ ...
– 13 February 2005, in Mainalo) was an astrophysicist. Harlaftis obtained an undergraduate degree in
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
from the
University of Athens The National and Kapodistrian University of Athens (NKUA; el, Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών, ''Ethnikó ke Kapodistriakó Panepistímio Athinón''), usually referred to simply as the Univers ...
in 1987, and a PhD degree from the
University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...
in 1991, under the supervision of Phil A. Charles. His thesis title was "Disc structure and variability in dwarf novae". From 1991 to 1995 he worked as a support astronomer at the Isaac Newton Group of telescopes of the Royal Greenwich Observatory, placed at the Observatory of Roque de los Muchachos (owned by the Instituto de Astrofisica de Canarias at the island of
La Palma La Palma (, ), also known as ''La isla bonita'' () and officially San Miguel de La Palma, is the most north-westerly island of the Canary Islands, Spain. La Palma has an area of making it the fifth largest of the eight main Canary Islands. The ...
. He then worked as a research assistant (1995–1997) at the
University of St. Andrews (Aien aristeuein) , motto_lang = grc , mottoeng = Ever to ExcelorEver to be the Best , established = , type = Public research university Ancient university , endowment ...
and as a research fellow (1997–1998) at the Institute of Astronomy and Astrophysics of the
National Observatory of Athens The National Observatory of Athens (NOA; el, Εθνικό Αστεροσκοπείο Αθηνών) is a research institute in Athens, Greece. Founded in 1842, it is the oldest research foundation in Greece, as it was the first scientific rese ...
, where he was appointed to a position of a tenure track researcher in 1999. He held a series of posts as a visiting scientist at the
University of Sheffield , mottoeng = To discover the causes of things , established = – University of SheffieldPredecessor institutions: – Sheffield Medical School – Firth College – Sheffield Technical School – University College of Sheffield , type = Pu ...
, and the
NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the US federal government responsible for the civil List of government space agencies, space program ...
Goddard Space Flight Center (1999), and two years as a temporary Reader at the School of Physics and Astronomy at the
University of St. Andrews (Aien aristeuein) , motto_lang = grc , mottoeng = Ever to ExcelorEver to be the Best , established = , type = Public research university Ancient university , endowment ...
(2001–2002). He acted as a principal investigator for the Aristarchos 2.3 m Telescope located at the
Chelmos Aroania ( el, Αροάνια), also known as Helmos or Chelmos (Χελμός, from South Slavic , "summit"), is a mountain range in Achaea, Peloponnese, Greece. At 2,355 m elevation, Aroania is the third highest mountain of the Peloponnese, after ...
mountain, which colleagues suggested to name after him, following his death in an avalanche accident. His main research contribution is the co-discovery of spiral
wave In physics, mathematics, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Waves can be periodic, in which case those quantities oscillate repeatedly about an equilibrium (re ...
s in a solar-size accretion disk, pioneering analysis determining mass ratios of black hole systems using the Keck-I telescope, contribution to accretion disc physics and finally extensive analysis and image processing using the Doppler
tomography Tomography is imaging by sections or sectioning that uses any kind of penetrating wave. The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, astrophysics, ...
technique with applications on interactive binaries resolving emission components such as the inner face of the
companion star A binary star is a system of two stars that are gravitationally bound to and in orbit around each other. Binary stars in the night sky that are seen as a single object to the naked eye are often resolved using a telescope as separate stars, in w ...
, the gas stream and the impact region of the gas stream on the accretion disk ( bright spot). The article on this topic he co-wrote has been cited 140 times. In 2020, the Hellenic Astronomical Society, decided to accept a generous offer of the Harlaftis family and renamed the best PhD thesis prize awarded biennially to a junior member of the Society, to "Best PhD thesis prize - Emilios Harlaftis".


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Harlaftis's Refereed Papers Ordered by DateHarlaftis's Refereed Papers Ordered by the Number of CitationsAristarchos telescope
{{DEFAULTSORT:Harlaftis, Emilios T. 1965 births 2005 deaths National and Kapodistrian University of Athens alumni 20th-century Greek astronomers 21st-century Greek astronomers Alumni of the University of Oxford Academics of the University of Sheffield Academics of the University of St Andrews Mountaineering deaths Greek academics People from Sikyona