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Ray Jayawardhana

From Wikipedia, the free encyclopedia

Ray Jayawardhana
Born
Ray Jayawardhana

EducationYale University (BS)
Harvard University (PhD)
Occupation(s)Astronomer, author
Known forexoplanets, brown dwarfs, planet formation, popular science
AwardsAmerican Physical Society Nicholson Medal for Outreach (2018) Guggenheim Fellowship (2014), Rutherford Memorial Medal (2013), Canada Research Chair in Observational Astrophysics (2008–2014), CSWA Science in Society Book Award (2014), Steacie Fellowship (2009), Steacie Prize (2009), Ontario Early Researcher Award (2006), Vainu Bappu Gold Medal (2004), American Institute of Physics Science Writing Award (2003)
Scientific career
FieldsAstrophysics, popular science
Websitewww.drrayjay.net

Ray Jayawardhana is the Provost of Johns Hopkins University and a Professor of Physics and Astronomy. Until October 2023, Jayawardhana was the Harold Tanner Dean of the Cornell University College of Arts and Sciences and a Professor of Astronomy at Cornell University, effective September 1, 2018.[1] He was formerly Dean of Science and a Professor of physics & astronomy at York University. Prior to that, he was a Professor of Astronomy & Astrophysics at the University of Toronto, and an Assistant Professor of Astronomy at the University of Michigan. In July 2023, Johns Hopkins University announced that Jayawardhana had been selected as its 16th provost.[2] His primary research areas include the formation and early evolution of stars, brown dwarfs and planets.[3] His current research focuses on characterizing exoplanets using telescopes on the ground and in space.

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Transcription

Background

Jayawardhana was born and raised in Sri Lanka. He was educated at the St. John's College, Nugegoda[4] and Royal College Colombo and pursued his higher education in the United States. He received his BS degree from Yale in 1994 and his PhD from Harvard in 2000.[5] As a graduate student at Harvard, he led one of the two teams that discovered a dusty disk around the young star HR 4796A with a large inner hole, possibly carved out by planet formation processes.[6] His group has played a key role in establishing that young brown dwarfs undergo a T Tauri phase, similar to young Sun-like stars, with evidence for dusty disks and signatures of disk accretion and outflow. Disks have now also been found around sub-brown dwarfs or planemos. In September 2008, he and his collaborators reported the first direct image and spectroscopy of a likely extra-solar planet around a normal star.[7] He was a Miller Research Fellow at UC Berkeley[8] for two years and an assistant professor at the University of Michigan for two years, before moving to Toronto. While serving as senior advisor on science engagement to the president of the University of Toronto, he founded the Science Leadership Program to enhance the communications and leadership skills of academic scientists.[9]

In early 2014, Ray Jayawardhana was appointed Dean of the Faculty of Science at York University.[10] In June 2018, he was named Cornell University's 22nd Dean of College of Arts and Sciences.[1]

Awards

Jayawardhana was named Canada Research Chair in Observational Astrophysics in 2008. He held a E.W.R. Steacie Memorial Fellowship,[11] "awarded to enhance the career development of outstanding and highly promising university faculty who are earning a strong international reputation for original research",[12] from the Natural Sciences and Engineering Research Council of Canada, presented by Prime Minister Stephen Harper at a ceremony in Ottawa on March 16, 2009.[13] He has also been named to Canada's Top 40 Under 40.[14] Main-belt asteroid 4668 Rayjay is named after him.

  • Carl Sagan Medal (2020)[15]

References

  1. ^ a b Kelley, Susan (June 26, 2018). "Ray Jayawardhana named dean of Arts and Sciences". Cornell Chronicle. Retrieved August 17, 2018.
  2. ^ "RAY JAYAWARDHANA NAMED 16TH PROVOST OF JOHNS HOPKINS UNIVERSITY".
  3. ^ "Research".
  4. ^ "Online edition of Daily News – Features". Dailynews.lk. April 13, 2004. Archived from the original on September 14, 2005. Retrieved March 3, 2014.
  5. ^ "Profile : Ray Jayawardhana". Science.ca. Retrieved March 3, 2014.
  6. ^ Jayawardhana, Ray; Fisher, Scott; Hartmann, Lee; Telesco, Charles; Piña, Robert; Fazio, Giovanni (1998). "A Dust Disk Surrounding the Young a Star HR 4796A". The Astrophysical Journal. 503 (1): L79–L82. arXiv:astro-ph/9806188. Bibcode:1998ApJ...503L..79J. doi:10.1086/311524. S2CID 17417074.
  7. ^ Lafrenière, David; Jayawardhana, Ray; van Kerkwijk, Marten H. (2008). "Direct Imaging and Spectroscopy of a Planetary-Mass Candidate Companion to a Young Solar Analog". The Astrophysical Journal. 689 (2): L153. arXiv:0809.1424. Bibcode:2008ApJ...689L.153L. doi:10.1086/595870. S2CID 15685566.
  8. ^ "Astronomers Discover Edge-on Protoplanetary Disk in Quadruple Star System". Noao.edu. January 7, 2002. Retrieved March 3, 2014.
  9. ^ "News | University of Toronto".
  10. ^ "YFile » New dean appointed for the Faculty of Science". Yfile.news.yorku.ca. Retrieved March 3, 2014.
  11. ^ "Past Winner: 2009 E.W.R. Steacie Memorial Fellowship". Nserc-crsng.gc.ca. Retrieved March 3, 2014.
  12. ^ "NSERC – E.W.R. Steacie – About the Award". Nserc-crsng.gc.ca. April 19, 2013. Retrieved March 3, 2014.
  13. ^ "Prime Minister of Canada – Speeches". pm.gc.ca. March 16, 2009. Archived from the original on January 18, 2015. Retrieved March 3, 2014.
  14. ^ Ryval, Michael (May 2009). "Ray Jayawardhana, 37 – The Globe and Mail". The Globe and Mail.
  15. ^ "A&S dean Ray Jayawardhana awarded Carl Sagan Medal".

External links

This page was last edited on 18 February 2024, at 02:13
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