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Chad Trujillo

From Wikipedia, the free encyclopedia
American astronomer (born 1973)

Chad Trujillo
Born (1973-11-22)November 22, 1973 (age 51)
NationalityAmerican
EducationMassachusetts Institute of Technology
University of Hawaiʻi
Known forDiscovery ofEris,Sedna and othertrans-Neptunian objects
Scientific career
FieldsPlanetary astronomy
InstitutionsGemini Observatory
Northern Arizona University

Chadwick A. Trujillo (born November 22, 1973) is an Americanastronomer, discoverer ofminor planets and the co-discoverer ofEris, the most massivedwarf planet known in theSolar System.[1][2]

Trujillo works with computer software and has examined the orbits of the numeroustrans-Neptunian objects (TNOs), which is the outer area of the Solar System that he specialized in. In late August 2005, it was announced that Trujillo, along withMichael Brown andDavid Rabinowitz, had discoveredEris in 2003.[2] As a result of the discovery of the satelliteDysnomia, Eris was the first TNO known to be more massive thanPluto.[3]

Career

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Trujillo attendedOak Park and River Forest High School inOak Park, Illinois. He received his B.Sc. inphysics from theMassachusetts Institute of Technology in 1995, and was a member of the Xi chapter ofTau Epsilon Phi, and received his Ph.D. in astronomy from theUniversity of Hawaiʻi in 2000.

Between 2000 and 2003 Trujillo was a postdoctoral scholar atCaltech. In 2003, he started working as an astronomer at theGemini Observatory in Hawaii.[4]

In 2013 Trujillo became head of the Adaptive Optics/Telescope Department at the Gemini Observatory, and continued until 2016. As of 2016, Trujillo is assistant professor at the department of Astronomy and Planetary Science atNorthern Arizona University.[5]

He studies theKuiper belt and theouter Solar System.

Discoveries

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Minor planets discovered: 62 [6]
see§ List of discovered minor planets

Trujillo is credited by theMinor Planet Center with the discovery and co-discovery of 54 numberedminor planets between 1996 and 2013, including manytrans-Neptunian objects (TNOs) from theKuiper belt(see table).[6] The last major TNO, Eris, was at first considered by him, his team,NASA, and many others to be the tenth planet,[4] but theInternational Astronomical Union assigned it to the new classificatory category ofdwarf planet.

The possible dwarf planets Trujillo discovered are:

List of discovered minor planets

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See also:Category:Discoveries by Chad Trujillo

TheMinor Planet Center credits Chad Trujillo with the discovery and co-discovery of 57minor planets during 1996–2013.[6] His numerous co-discoverers were:AD. C. Jewitt,BJ. X. Luu,CJ. Chen,DK. Berney,ED. J. Tholen,FM. E. Brown,G W. Evans,HS. S. Sheppard,JD. L. Rabinowitz,KA. Udalski,LM. Kubiak,MR. Poleski andNGlenn Smith.

(15874) 1996 TL66October 9, 1996list [A][B][C]
(15875) 1996 TP66October 11, 1996list [B][A]
(15883) 1997 CR29February 3, 1997list [C][A]
(19308) 1996 TO66October 12, 1996list [A][B]
(20161) 1996 TR66October 8, 1996list [A][B][C]
(24952) 1997 QJ4August 28, 1997list [B][A][D]
(24978) 1998 HJ151April 28, 1998list [B][E][A]
(26375) 1999 DE9February 20, 1999list [B]
(33001) 1997 CU29February 6, 1997list [A][B][C]
50000 QuaoarJune 4, 2002list [F]
(59358) 1999 CL158February 11, 1999list [B][A]
(60608) 2000 EE173March 3, 2000list [B][G]
65489 CetoMarch 22, 2003list [F]
66652 BorasisiSeptember 8, 1999list [B][A]
79360 Sila-NunamFebruary 3, 1997list [B][A][C]
(79969) 1999 CP133February 11, 1999list [B][A]
(79978) 1999 CC158February 15, 1999list [A][B][H]
(79983) 1999 DF9February 20, 1999list [B][A]
(84719) 2002 VR128November 3, 2002list [F]
90377 SednaNovember 14, 2003list [F][J]
90482 OrcusFebruary 17, 2004list [F][J]
(91554) 1999 RZ215September 8, 1999list [B][A]
(118228) 1996 TQ66October 8, 1996list [C][A][B]
(119951) 2002 KX14May 17, 2002list [F]
(120178) 2003 OP32July 26, 2003list [F][J]
(120348) 2004 TY364October 3, 2004list [F][J]
(126154) 2001 YH140December 18, 2001list [F]
(126155) 2001 YJ140December 20, 2001list [F][N]
(129746) 1999 CE119February 10, 1999list [B][A]
(134568) 1999 RH215September 7, 1999list [A][B]
136199 ErisOctober 21, 2003list [F][J]
136472 MakemakeMarch 31, 2005list [F][J]
(137294) 1999 RE215September 7, 1999list [B][A]
(137295) 1999 RB216September 8, 1999list [A][B]
(148112) 1999 RA216September 8, 1999list [A][B]
(168700) 2000 GE147April 2, 2000list [A][H]
(175113) 2004 PF115August 7, 2004list [F][J]
(181867) 1999 CV118February 10, 1999list [A][B]
(181868) 1999 CG119February 11, 1999list [B][A]
(181871) 1999 CO153February 12, 1999list [B][A]
(181902) 1999 RD215September 6, 1999list [B][A]
(208996) 2003 AZ84January 13, 2003list [F]
(250112) 2002 KY14May 19, 2002list [F]
(307251) 2002 KW14May 17, 2002list [F]
(307261) 2002 MS4June 18, 2002list [F]
341520 Mors-SomnusOctober 14, 2007list [H]
(385201) 1999 RN215September 7, 1999list [A][B]
385571 OtreraOctober 16, 2004list [H]
385695 CleteOctober 8, 2005list [H]
(415720) 1999 RU215September 7, 1999list [B][A]
(469306) 1999 CD158February 10, 1999list [B][A]
471143 DziewannaMarch 13, 2010list [K][L]
(471165) 2010 HE79April 21, 2010list [H][M][K]
(471921) 2013 FC28March 17, 2013list [H]
(503858) 1998 HQ151April 28, 1998list [E][A][B]
(508792) 2000 FX53March 31, 2000list [H][A]
(523597) 2002 QX47August 26, 2002list [F]
(523899) 1997 CV29February 6, 1997list [C][A][B]
(523983) 1999 RY214September 6, 1999list [A][B]
(532037) 2013 FY27March 17, 2013list [H]
(532038) 2013 FB28March 17, 2013list [H]
541132 LeleākūhonuaOctober 13, 2015list [E][H]

Satellites and uncredited discoveries

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ObjectDiscovery dateTypeCredit went to..
HaumeaDecember 28, 2004DP
(55565) 2002 AW197January 10, 2002TNOThePalomar Observatory team with Michael Brown
2012 VP113November 5, 2012TNOno official discoverers for unnumbered objects; candidate:S. S. Sheppard
(136108) Haumea I HiʻiakaJanuary 26, 2005SatelliteMichael Brown and the adaptive-optics team,[9]D. L. Rabinowitz[10]
(136108) Haumea II NamakaJuly 30, 2005SatelliteMichael Brown and the adaptive-optics team[9]
(136199) Eris I DysnomiaSeptember 10, 2005SatelliteMichael Brown and the adaptive-optics team: M. A. van Dam, A. H. Bouchez, D. Le Mignant, R. D. Campbell, J. C. Y. Chin, A. Conrad, S. K. Hartman, E. M. Johansson, R. E. Lafon,D. L. Rabinowitz, P. J. Stomski Jr., D. M. Summers, and P. L. Wizinowich

Honors and awards

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The main-belt asteroid12101 Trujillo is named for him.[1]

In 2006 he was named one of the Science Spectrum Magazine Trailblazer, top minority in science.[11]

References

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  1. ^abSchmadel, Lutz D. (2007). "(12101) Trujillo".Dictionary of Minor Planet Names.Springer Berlin Heidelberg. p. 776.doi:10.1007/978-3-540-29925-7_8527.ISBN 978-3-540-00238-3.
  2. ^ab"136199 Eris (2003 UB313)".Minor Planet Center. RetrievedJuly 26, 2016.
  3. ^abBrown, Michael E.; Schaller, Emily L. (June 2007)."The Mass of Dwarf Planet Eris".Science.316 (5831): 1585.Bibcode:2007Sci...316.1585B.doi:10.1126/science.1139415.PMID 17569855.S2CID 21468196. RetrievedJuly 26, 2016.
  4. ^ab"UH Alumnus Chad Trujillo Helps in Discovery of 10th Planet". Nupepa. August 2005. Archived fromthe original on August 13, 2009. RetrievedJuly 26, 2016.
  5. ^"Chad Trujillo CV".
  6. ^abc"Minor Planet Discoverers (by number)".Minor Planet Center. September 25, 2018. RetrievedOctober 16, 2018.
  7. ^"136108 Haumea (2003 EL61)".Minor Planet Center. RetrievedJuly 26, 2016.
  8. ^"136472 Makemake (2005 FY9)".Minor Planet Center. RetrievedJuly 26, 2016.
  9. ^ab"Dwarf Planets and their Systems". US Geological Survey Gazetteer of Planetary Nomenclature. RetrievedOctober 16, 2018.
  10. ^Brown, M. E.; Bouchez, A. H.; Rabinowitz, D.; Sari, R.; Trujillo, C. A.; van Dam, M.; et al. (October 2005)."Keck Observatory Laser Guide Star Adaptive Optics Discovery and Characterization of a Satellite to the Large Kuiper Belt Object 2003 EL61".The Astrophysical Journal.632 (1):L45 –L48.Bibcode:2005ApJ...632L..45B.doi:10.1086/497641.S2CID 119408563. RetrievedOctober 16, 2018.
  11. ^"SCIENCE SPECTRUM MAGAZINE ANNOUNCES TOP MINORITIES IN SCIENCE"(PDF). May 8, 2006. RetrievedApril 4, 2018.

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