Mario Hamuy
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Mario Andrés Hamuy Wackenhut (born 1960) is a Chilean Astronomer and Professor of Astronomy at the University of Chile and Cerro Calan Observatory. He is well known for his observational work on all classes of supernovae, especially the use of Type Ia and Type II supernovae as measures of cosmic distance.[1]
Career
Mario Hamuy is the son of Mario Hamuy Berr, an economist and politician of Syrian descent.[2][3] He studied at Instituto Nacional General José Miguel Carrera of Santiago. Hamuy was a student in astronomy and physics at the University of Chile working with Jorge Melnick. In February 1987, he came to the Cerro Tololo Inter-American Observatory and within a few days of his arrival when the Type II supernova SN1987A exploded in the Large Magellanic Cloud, he began a major campaign at CTIO to monitor this important supernova.[4]
In 1989, in collaboration with Jose Maza, Mark M. Phillips, and Nicholas Suntzeff, he began the Calán/Tololo Supernova Survey which led to the pioneering work on the standard candle luminosities of Type Ia supernovae.[5][6] This work led to the precise measurements of the Hubble Constant H0[7][8] and the deceleration parameter q0,[9] the latter indicating the presence of a dark energy or cosmological constant dominating the mass/energy of the Universe.
In graduate school at the University of Arizona at the Steward Observatory working with Professor Phil Pinto, he changed his focus to the study of core collapse supernovae, in particular using Type II supernovae to measure geometric distances using the expanding photosphere method (EPM).[10] With Pinto, he invented a semi-empirical method to measure distances to Type II events, called the Standard Candle method,[11] which improved the distance accuracies over EPM.
Awards and honors
Asteroid 109097 Hamuy, discovered by Spanish astronomer Rafael Ferrando at the Pla D'Arguines Observatory Template:Obscode in 2001, was named after him.[1] The official Template:MoMP was published by the Minor Planet Center on 18 February 2011 (M.P.C. 73984).[12] In 2015 he won the National Prize for Exact Sciences.[13] He is also the president of CONICYT, the Chilean government's scientific research agency[14] and a recipient of the 2016 TWAS Prize.[15]
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content."109097 Hamuy (2001 QM33)". Minor Planet Center. Retrieved 8 August 2019.
- ^ Page Module:Citation/CS1/styles.css has no content.Caviedes, Cesar (26 June 2019). The Politics of Chile: A Sociogeographical Assessment. Routledge. ISBN 9781000304671.
- ^ Page Module:Citation/CS1/styles.css has no content.Serena, Departamento de Modernización y Tecnologías de la Información de la Ilustre Municipalidad de La. "Información y Servicios de la Ilustre Municipalidad de La Serena". www.laserena.cl. Retrieved 2023-12-25.
- ^ Hamuy et al. 1988, Astronomical Journal, 95, 63
- ^ Phillips, M. M. 1993, Astrophysical Journal Letters",413, 105
- ^ Hamuy, M. et al. 1993, Astronomical Journal, 106, 2392
- ^ Suntzeff, N.B. et al. 1999, Astronomical Journal, 119, 1175
- ^ Freedman, W. et al. 2001, Astrophysical Journal, 553, 47
- ^ Riess, A. et al. 1998, Astronomical Journal, 119, 1009; Schmidt, B. P., et al. 1998, Astrophysical Journal, 507, 46; see also Perlmutter, S. et al. 1999, Astrophysical Journal, 517, 565
- ^ Hamuy, M., et al. 2001, Astrophysical Journal, 558, 615
- ^ Hamuy, M., & Pinto, P. A. 2002, Astrophysical Journal Letters, 566, L63
- ^ Page Module:Citation/CS1/styles.css has no content."MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 8 August 2019.
- ^ Page Module:Citation/CS1/styles.css has no content."Mario Hamuy, astrónomo de la U. de Chile ganó Premio Nacional de Ciencias Exactas 2015" [Mario Hamuy, Astronomer of the U. of Chile Wins 2015 National Prize for Exact Sciences]. El Mostrador (in español). 29 August 2015. Retrieved 11 December 2017.
- ^ Page Module:Citation/CS1/styles.css has no content."Presidente del Concejo". CONICYT. Retrieved 2016-11-06.
- ^ Page Module:Citation/CS1/styles.css has no content."Prizes and Awards". The World Academy of Sciences. 2016.
External links
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