David Ciardi

David Robert Ciardi

Ciardi at 2009 Kepler Launch
Born (1969-07-17) 17 July 1969
Residence United States
Nationality American
Fields Astrophysics
Institutions Caltech, University of Florida
Alma mater University of Wyoming, Boston University
Thesis Star Formation in the Filamentary Dark Cloud GF-9: a Multi-Wavelength Intra-Cloud Comparative Study (1997)
Doctoral advisor Charles E. (Chick) Woodward
Known for Exoplanet science, infrared instrumentation and observations

David Robert Ciardi (born 1969) is an American astronomer. He received a bachelor's degree in physics and astronomy from Boston University in 1991, and a Ph.D. in physics from the University of Wyoming in 1997.

Dr. Ciardi has published refereed journal articles across a wide range of topics, including exoplanets,[1][2][3][4] star formation,[5] interstellar dust,[6] molecular clouds,[7] and evolved stars.[8][9] His observations of Vega using long-baseline interferometry with the Palomar Testbed Interferometer were the first to spatially resolve the debris disk around this star and to show that dust was present within 1 AU of the star - akin to the interplanetary dust in the Solar System that produces the zodiacal light.[10] This work led to the discovery of dust in the inner regions around other stars and leading to the discovery of a gap between the inner dust ring and the outer dust ring in many systems - the existence of which is still not understood.[11] Dr. Ciardi is a member of the Kepler Science Team and using data from the Kepler mission, Dr. Ciardi has published landmark works on the fundamental nature of stellar variability[12] and the relative sizes of planets in multi-planet systems[13] and has contributed to more than 100 exoplanet discovery papers, including many of the Kepler Mission discoveries and being the principal investigator of the Palomar Transient Factory Orion Transit Survey[14] and co-discoverer of the first transiting planet around a newly formed T Tauri star in the 3-million-year-old star cluster surrounding 25 Orionis.[15]

Dr. Ciardi completed his PhD at the University of Wyoming in 1997, and remained in Laramie for another year as a post-doctoral fellow. He left Wyoming to become a post-doc for Dr. Elizabeth Lada at the University of Florida, ostensibly to work on the Wide Field Infrared Explorer (WIRE) mission. The unfortunate failure of WIRE's main telescope immediately following launch sidetracked that research path, however; Dr. Ciardi remained at Florida and became a staff member with the infrared instrumentation group where he worked on an array of infrared instruments, including T-ReCS for the 8m telescope Gemini South and CanariCam for the 10m Gran Telescopio Canarias. In 2002, Dr. Ciardi took a staff astronomer position at the NASA Exoplanet Science Institute, and is currently a Member of the Professional Staff at Caltech and an Associate Research Astronomer at NExScI.

Academic lineage

The following is the historic path of Dr. Ciardi's advisors - otherwise known as his academic lineage - spanning two centuries of scientific achievement.

Scientist Year of Ph.D. Institution
Charles Woodward 1987 University of Rochester
Judy Pipher 1971 Cornell University
Jim Houck 1967 Cornell University
Raymond Bowers 1951 University of Oxford
Kurt Mendelssohn 1930 University of Berlin
Francis Simon 1936 University of Berlin
Walther Nernst 1887 University of Würzburg
Friedrich Kohlrausch 1864 University of Göttingen
Wilhelm Eduard Weber 1828 University of Göttingen
Johann Salomo Christoph Schweigger 1804 University of Erlangen-Nuremberg
Franz August Wolf 1784 Heyne at Gottingen

References

  1. ↑ Ciardi, D. R., Fabrycky, D. C., Ford, E. B., Gautier, T. N., III, Howell, S. B., Lissauer, J. J., Ragozzine, D., & Rowe, J. F. (2013). "On the Relative Sizes of Planets within Kepler Multiple-candidate Systems". The Astrophysical Journal 763: 41. arXiv:1212.1859. Bibcode:2013ApJ...763...41C. doi:10.1088/0004-637X/763/1/41. line feed character in |author= at position 46 (help)
  2. ↑ van Eyken, J. C., Ciardi, D. R.; et al. (2012). "The PTF Orion Project: A Possible Planet Transiting a T-Tauri Star". The Astrophysical Journal 755: 42. Bibcode:2012AJ....755..42V. doi:10.1088/0004-637X/755/1/42.
  3. ↑ Kane, S. R., Howell, S. B., Horch, E. P., Feng, Y., Hinkel, N. R., Ciardi, D. R., Everett, M. E., Howard, A. W., & Wright, J. T. (2014). "Limits on Stellar Companions to Exoplanet Host Stars with Eccentric Planets". The Astrophysical Journal 785: 93. arXiv:1401.1544. Bibcode:2014ApJ...785...93K. doi:10.1088/0004-637X/785/2/93. line feed character in |author= at position 49 (help)
  4. ↑ Rowe, J. F., Bryson, S. T., Marcy, G. W., Lissauer, J. J., Jontof-Hutter, D., Mullally, F., Gilliland, R. L., Issacson, H., Ford, E., Howell, S. B., Borucki, W. J., Haas, M., Huber, D., Steffen, J. H., Thompson, S. E., Quintana, E., Barclay, T., Still, M., Fortney, J., Gautier, T. N., III, Hunter, R., Caldwell, D. A., Ciardi, D. R., Devore, E., Cochran, W., Jenkins, J., Agol, E., Carter, J. A., & Geary, J. (2014). "Validation of Kepler's Multiple Planet Candidates. III. Light Curve Analysis and Announcement of Hundreds of New Multi-planet Systems". The Astrophysical Journal 784: 45. arXiv:1402.6534. Bibcode:2014ApJ...784...45R. doi:10.1088/0004-637X/784/1/45. line feed character in |author= at position 43 (help)
  5. ↑ Ciardi, D. R., & Gómez Martín, C. (2007). "Star Formation in the Bok Globule CB54". The Astrophysical Journal 664: 377. arXiv:0704.0428. Bibcode:2007ApJ...664..377C. doi:10.1086/518651. line feed character in |author= at position 16 (help)
  6. ↑ Ciardi, D. R., Wachter, S., Hoard, D. W., Howell, S. B., & van Belle, G. T. (2006). "Spitzer Space Telescope Observations of Var Her 04: Possible Detection of Dust Formation in a Superoutbursting Tremendous Outburst Amplitude Dwarf Nova". The Astronomical Journal 132: 1989. arXiv:astro-ph/0608083. Bibcode:2006AJ....132.1989C. doi:10.1086/508212. line feed character in |author= at position 43 (help)
  7. ↑ Ciardi, D. R., Woodward, C. E., Clemens, D. P., Harker, D. E., & Rudy, R. J. (2000). "Morphology and Energetics of the Molecular Gas within a Core and a Diffuse Region in the Filamentary Dark Cloud GF 9". The Astronomical Journal 120: 393. Bibcode:2000AJ....120..393C. doi:10.1086/301436. line feed character in |author= at position 49 (help)
  8. ↑ Ciardi, D. R., Howell, S. B. Hauschildt, P. & Allard, F. (1998). "The Relative Contributions to the Near-Infrared Emission in Short Period Cataclysmic Variables". The Astrophysical Journal 504: 450. Bibcode:1998ApJ...504...450C. doi:10.1086/306081.
  9. ↑ van Belle, G. T., Paladini, C., Aringer, B., Hron, J., & Ciardi, D. R. (2013). "The PTI Carbon Star Angular Size Survey: Effective Temperatures and Non-sphericity". The Astrophysical Journal 775: 45. arXiv:1307.6585. Bibcode:2013ApJ...775...45V. doi:10.1088/0004-637X/775/1/45. line feed character in |author= at position 46 (help)
  10. ↑ Ciardi, D. R., van Belle, G. T., Akeson, R. L., Thompson, R. R., Lada, E. A., & Howell, S. B. (2001). "On the Near-Infrared Size of Vega". The Astrophysical Journal 559: 1147. arXiv:astro-ph/0105561. Bibcode:2001ApJ...559.1147C. doi:10.1086/322345. line feed character in |author= at position 49 (help)
  11. ↑ Akeson, R. L., Millan-Gabet, R. M., Ciardi, D. R.; et al. (2011). "Radial Structure in the TW Hya Circumstellar Disk". The Astrophysical Journal 728: 96. Bibcode:2011ApJ...728...96A. doi:10.1088/0004-637X/728/2/96.
  12. ↑ Ciardi, D. R., von Braun, K., Bryden, G., van Eyken, J., Howell, S. B., Kane, S. R., Plavchan, P., Ramírez, S. V., & Stauffer, J. R. (2011). "Characterizing the Variability of Stars with Early-release Kepler Data". The Astronomical Journal 141: 108. arXiv:1009.1840. Bibcode:2011AJ....141..108C. doi:10.1088/0004-6256/141/4/108. line feed character in |author= at position 47 (help)
  13. ↑ Ciardi, D. R., Fabrycky, D. C., Ford, E. B., Gautier, T. N., III, Howell, S. B., Lissauer, J. J., Ragozzine, D., & Rowe, J. F. (2013). "On the Relative Sizes of Planets within Kepler Multiple-candidate Systems". The Astrophysical Journal 763: 41. arXiv:1212.1859. Bibcode:2013ApJ...763...41C. doi:10.1088/0004-637X/763/1/41. line feed character in |author= at position 46 (help)
  14. ↑ van Eyken, J. C., Ciardi, D. R.; et al. (2011). "The Palomar Transient Factory Orion Project: Eclipsing Binaries and Young Stellar Objects". The Astronomical Journal 142: 60. arXiv:1106.3570. Bibcode:2011AJ....142...60V. doi:10.1088/0004-6256/142/2/60.
  15. ↑ van Eyken, J. C., Ciardi, D. R.; et al. (2012). "The PTF Orion Project: A Possible Planet Transiting a T-Tauri Star". The Astrophysical Journal 755: 42. Bibcode:2012AJ....755..42V. doi:10.1088/0004-637X/755/1/42.

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