WILLIAM JOHN SCHUSTER



DATOS GENERALES NOMBRAMIENTOS
Nombre completo   WILLIAM JOHN SCHUSTER
Máximo nivel de estudios   DOCTORADO
Antigüedad académica en la UNAM   49 años

Vigente   INVESTIGADOR TITULAR C TC Definitivo
Instituto de Astronomía
Desde 01-01-2019
ESTIMULOS, PROGRAMAS, PREMIOS Y RECONOCIMIENTOS
* SNI III2014 - 2023
* SNI II - 2013
* PRIDE C2012 - 2022

INFORMACIÓN DE PUBLICACIONES
Firmas  
Schuster W. Schuster W.J. Schuster, W. J. Schuster, William J. Schuster, WJ
ID's SCOPUS  
7103341211
ORCID's  
0000-0002-0988-7491
Áreas de conocimiento  
Astronomy & astrophysics Astronomy and astrophysics Astronomy and Astrophysics History Instrumentation
Space and Planetary Science
Coautorías con entidades de la UNAM  
  • Centro de Nanociencias y Nanotecnología en la UNAM
  • Instituto de Astronomía
  • Instituto de Física
  • Instituto de Ingeniería
  • Instituto de Radioastronomía y Astrofísica
  • Facultad de Medicina Veterinaria y Zootecnia
  • Escuela Nacional de Estudios Superiores, Unidad Morelia, Michoacán
Revistas en las que ha publicado  (18):
  1. AIP Conference Proceedings, Estados Unidos America (2006)
  2. ASTRON ASTROPHYS SUP, (1996)
  3. ASTRONOMICAL JOURNAL, Estados Unidos America (1991, 1992, 2010, 2017)
  4. ASTRONOMISCHE NACHRICHTEN, Alemania (2015)
  5. ASTRONOMY & ASTROPHYSICS, Francia (1997, 1998, 2000, 2004, 2006, 2010, 2011, 2012, 2014, 2021, 2024)
  6. ASTROPHYSICAL JOURNAL, Estados Unidos America (2012, 2016, 2018)
  7. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Reino Unido (2018)
  8. European Space Agency, (special Publication) Esa Sp, (1997)
  9. Iau Symposium Proceedings Series, Reino Unido (2006, 2009, 2014, 2018, 2019)
  10. Journal Of Astronomical History And Heritage, Tailandia (2020, 2022)
  11. JOURNAL OF ASTROPHYSICS AND ASTRONOMY, India (2019)
  12. Memorie della Societa Astronomica Italiana, Supplementi - Journal of the Italian Astronomical Society, Supplement, Italia (2012)
  13. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Reino Unido (2005, 2006, 2010, 2012, 2015, 2016, 2019, 2020, 2021, 2022)
  14. NEW ASTRONOMY, Países Bajos (2010, 2015)
  15. Proceedings of SPIE, Estados Unidos America (2004)
  16. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, Estados Unidos America (1997)
  17. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, México (1996, 2001, 2012, 2016)
  18. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, SERIE DE CONFERENCIAS, México (2003, 2005, 2011)


Documentos indexados (WoS y Scopus)

# Título del documento Autores Año Rista Fuente Citas WoS Citas Scopus
1Abundances of iron-peak elements in accreted and in situ born Galactic halo starsCoautor: Schuster W.J., Nissen P.E., Amarsi A.M., Skúladóttir Á.2024ASTRONOMY & ASTROPHYSICSWoS-id: 001163675500012
Scopus-id: 2-s2.0-85184952427
02
2Orbits of globular clusters computed with dynamical friction in the Galactic anisotropic velocity dispersion fieldCoautor: Schuster, William J., Moreno, Edmundo, Fernandez-Trincado, Jose G., Perez-Villegas, Angeles, et al.2022MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000764893600007
Scopus-id: 2-s2.0-85125115236
27
3THE STELLAR PHOTOMETERS OF HAROLD L. JOHNSON, AND THE FIRST YEARS OF THE MEXICAN NATIONAL ASTRONOMICAL OBSERVATORY AT SAN PEDRO MARTIR1ᵉʳ autor: Schuster, William J., CORDOVA, ANTOLIN, Moreno Corral, Marco Arturo, Siqueiros Valencia, Cristina Eugenia2022Journal Of Astronomical History And HeritageWoS-id: 001020340200003
Scopus-id: 2-s2.0-85171890599
00
4yyyy The Gaia spectrophotometric standard stars survey - IV. Results of the absolute photometry campaignCoautor: Schuster, W. J., Altavilla, G., Marinoni, S., Pancino, E., et al.2021MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000608475600093
Scopus-id: 2-s2.0-85100233472
1212
5G 112-43/44: A metal-poor binary star with a unique chemical composition and Helmi stream kinematicsCoautor y autor de correspondencia: Schuster, W. J., Nissen, P. E., Silva-Cabrera, J. S.2021ASTRONOMY & ASTROPHYSICSWoS-id: 000675643600004
Scopus-id: 2-s2.0-85110512519
48
6Effect of orbital trapping by bar resonances in the local U-V velocity fieldCoautor: Schuster, William J., Moreno, Edmundo, Fernandez-Trincado, Jose G., Perez-Villegas, Angeles, et al.2021MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000705339100003
Scopus-id: 2-s2.0-85118136911
22
7The average physical properties of A-G stars derived from uvby-H beta Stromgren-Crawford photometry as the basis for a spectral-classification synthetical approachCoautor: Schuster, W. J., Dalle Mese, G., Lopez-Cruz, O., Chavarria-K, C., et al.2020MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000535877200112
Scopus-id: 2-s2.0-85101376973
11
8THE MEXICAN ASTROGRAPHIC CATALOGUE AND CARTE DU CIEL PROJECT2ᵒ autor y autor de correspondencia: Schuster, William J., Moreno Corral, Marco Arturo2020Journal Of Astronomical History And HeritageWoS-id: 000734554200008
Scopus-id: 2-s2.0-85103138671
11
9The assembly history of the Galactic inner halo inferred from a-element patternsCoautor: Schuster W.J., Fernández-Alvar E., Tissera P.B., Carigi L., et al.2019MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000474886200018
Scopus-id: 2-s2.0-85062881679
1616
10The metal-rich halo tail extended in vertical bar z vertical bar: a characterization with Gaia DR2 and APOGEECoautor: Schuster, William J., Fernandez-Alvar, Emma, Fernandez-Trincado, Jose G., Moreno, Edmundo, et al.2019MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000474907100110
Scopus-id: 2-s2.0-85071197322
1616
11CCD UBV(RI)KC photometry of NGC 2323 and NGC 2539 open clustersCoautor: Schuster, William J., Oralhan, Inci Akkaya, Michel, Raul, Karatas, Yuksel, et al.2019JOURNAL OF ASTROPHYSICS AND ASTRONOMYWoS-id: 000480804600001
Scopus-id: 2-s2.0-85070672621
30
12Resonant trapping of the moving groups G18-39 and G21-22 in the Galactic halo1ᵉʳ autor: Schuster, W. J., Moreno, E., Fernandez-Trincado, J. G.2019Iau Symposium Proceedings SeriesWoS-id: 000525487700027
Scopus-id: 2-s2.0-85077238460
22
13Astronomy in Mexico during the first years of the IAU1ᵉʳ autor: Schuster W.J., Moreno-Corral M.A., Sterken C., Hearnshaw J., et al.2019Iau Symposium Proceedings SeriesScopus-id: 2-s2.0-85063753762
00
14Disentangling the Galactic Halo with APOGEE. I. Chemical and Kinematical Investigation of Distinct Metal-poor PopulationsCoautor: Schuster, William J., Hayes, Christian R., Majewski, Steven R., Shetrone, Matthew, et al.2018ASTROPHYSICAL JOURNALWoS-id: 000419455800004
Scopus-id: 2-s2.0-85040354667
105124
15Disentangling the Galactic Halo with APOGEE. II. Chemical and Star Formation Histories for the Two Distinct PopulationsCoautor: Schuster, William J., Fernandez-Alvar, Emma, Carigi, Leticia, Hayes, Christian R., et al.2018ASTROPHYSICAL JOURNALWoS-id: 000419455800005
Scopus-id: 2-s2.0-85040323481
3653
16The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point Observatory Galactic Evolution ExperimentCoautor: Schuster, William J., Abolfathi, Bela, Aguado, D. S., Aguilar, Gabriela, et al.2018ASTROPHYSICAL JOURNAL SUPPLEMENT SERIESWoS-id: 000430477600004
Scopus-id: 2-s2.0-85047171179
561794
17The Mexican Asteroid Photometry Campaigns: Aiming for Asteroids' Rotation Periods1ᵉʳ autor: Schuster W.J., Ayala-Gómez S.A., Avilés A., Contreras M.E., et al.2018Iau Symposium Proceedings SeriesScopus-id: 2-s2.0-85080960594
00
18Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant UniverseCoautor: Schuster, William J., Blanton, Michael R., Bershady, Matthew A., Abolfathi, Bela, et al.2017ASTRONOMICAL JOURNALWoS-id: 000404755500001
Scopus-id: 2-s2.0-85024504231
10111145
19Standard stars for the high-velocity and metal-poor project at San Pedro Martir1ᵉʳ autor: Schuster, W. J., Parrao, L., Contreras, M. E.2016REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICAWoS-id: 000373551300007
Scopus-id: 2-s2.0-84964078737
00
20THE BINARY NATURE OF CH-LIKE STARSCoautor: Schuster, W. J., Sperauskas, J., Zacs, L., Deveikis, V.2016ASTROPHYSICAL JOURNALWoS-id: 000381962200085
Scopus-id: 2-s2.0-84994338863
56
21The Gaia spectrophotometric standard stars survey - III. Short-term variability monitoringCoautor: Schuster, W. J., Marinoni, S., Pancino, E., Altavilla, G., et al.2016MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000385231600014
Scopus-id: 2-s2.0-84994494848
2525
22CCD UBV (RI)C photometry of twenty open clustersCoautor: Schuster W.J., Oralhan I.A., Karatas Y., Michel R., et al.2015NEW ASTRONOMYWoS-id: 000342530900026
Scopus-id: 2-s2.0-84907337169
87
23The Gaia spectrophotometric standard stars survey: II. Instrumental effects of six ground-based observing campaignsCoautor: Schuster W., Altavilla G., Marinoni S., Pancino E., et al.2015ASTRONOMISCHE NACHRICHTENWoS-id: 000358715500001
Scopus-id: 2-s2.0-84938125280
2121
24Resonant trapping in the galactic disc and halo and its relation with moving groupsCoautor y autor de correspondencia: Schuster, WJ, Moreno, E, Pichardo, B2015MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000360827800055
Scopus-id: 2-s2.0-84938279020
2526
25Carbon and oxygen abundances in stellar populationsCoautor: Schuster W.J., Nissen P.E., Chen Y.Q., Carigi L., et al.2014ASTRONOMY & ASTROPHYSICSWoS-id: 000341185900117
Scopus-id: 2-s2.0-84905756300
109108
26The evolution of C and O abundances in stellar populations2ᵒ autor y autor de correspondencia: Schuster, William J., Nissen, Poul E.2014Iau Symposium Proceedings SeriesWoS-id: 000450867100008
00
27Two distinct halo populations in the solar neighborhood III. Evidence from stellar ages and orbital parameters1ᵉʳ autor: Schuster W.J., Moreno E., Nissen P.E., Pichardo B.2012ASTRONOMY & ASTROPHYSICSWoS-id: 000300614100021
Scopus-id: 2-s2.0-84856365141
9997
28Abundances of neutron-capture elements in G 24-25 A halo-population CH subgiantCoautor: Schuster W.J., Liu S., Nissen P.E., Zhao G., et al.2012ASTRONOMY & ASTROPHYSICSWoS-id: 000304390900048
Scopus-id: 2-s2.0-84860282360
1111
29THE UBV(RI)(C) COLORS OF THE SUNCoautor: Schuster W.J., Ramírez I., Michel R., Sefako R., et al.2012ASTROPHYSICAL JOURNALWoS-id: 000305463400005
Scopus-id: 2-s2.0-84861395468
7074
30Two distinct halo populations in the solar neighborhood IV. Lithium abundances2ᵒ autor y autor de correspondencia: Schuster W.J., Nissen P.E.2012ASTRONOMY & ASTROPHYSICSWoS-id: 000306597200028
Scopus-id: 2-s2.0-84862675283
3030
31The Gaia spectrophotometric standard stars survey - I. Preliminary resultsCoautor: Schuster W., Pancino E., Altavilla G., Marinoni S., et al.2012MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000310063900006
Scopus-id: 2-s2.0-84867618688
4652
32Uvby-ß photometry and kinematics of metal-poor stars: A search for moving groups in the Galactic stellar halo2ᵒ autor: Schuster W.J., Silva J.S., Contreras M.E.2012REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICAScopus-id: 2-s2.0-84859615060
09
33Lithium abundances in high- and low-alpha halo stars2ᵒ autor y autor de correspondencia: Schuster W.J., Nissen P.E.2012Memorie della Societa Astronomica Italiana, Supplementi - Journal of the Italian Astronomical Society, SupplementScopus-id: 2-s2.0-84898903037
04
34Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba2ᵒ autor y autor de correspondencia: Schuster W.J., Nissen P.E.2011ASTRONOMY & ASTROPHYSICSWoS-id: 000291027400015
Scopus-id: 2-s2.0-79955538550
144145
35The physical basis of the spectral classification of A, F and G starsCoautor: Schuster W., Dalle Mese G., López-Cruz O., García G.2011REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, SERIE DE CONFERENCIASScopus-id: 2-s2.0-84878301910
00
36UBV(RI)(C) photometry of the open clusters Be 15, Be 80 and NGC 21922ᵒ autor: Schuster W.J., Tapia M.T., Michel R., Chavarría-K. C., et al.2010MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000272867100072
Scopus-id: 2-s2.0-72649084800
109
37New intrinsic-colour calibration for uvby-beta photometry2ᵒ autor y autor de correspondencia: Schuster W.J., Karatas Y.2010NEW ASTRONOMYWoS-id: 000275592500007
Scopus-id: 2-s2.0-76349090230
87
38Two distinct halo populations in the solar neighborhood Evidence from stellar abundance ratios and kinematics2ᵒ autor y autor de correspondencia: Schuster W.J., Nissen P.E.2010ASTRONOMY & ASTROPHYSICSWoS-id: 000275752400098
Scopus-id: 2-s2.0-78149269995
435447
39METALLICITY AND KINEMATIC DISTRIBUTIONS OF RED HORIZONTAL-BRANCH STARS FROM THE SDSS SURVEYCoautor: Schuster W.J., Chen Y.Q., Zhao G., Zhao J.K., et al.2010ASTRONOMICAL JOURNALWoS-id: 000279958000017
Scopus-id: 2-s2.0-78049242611
88
40Observational evidence for a broken Li Spite plateau and mass-dependent Li depletionCoautor: Schuster W.J., Meléndez J., Casagrande L., Ramírez I., et al.2010ASTRONOMY & ASTROPHYSICSWoS-id: 000280505000005
Scopus-id: 2-s2.0-77953642824
119141
41Two-site CCD observations and spectroscopy of HD 207331: A new delta Scuti variable in Cygnus2ᵒ autor: Schuster W.J., Machado, LF, Zurita C., Silva J.S., et al.2010NEW ASTRONOMYWoS-id: 000280513500008
Scopus-id: 2-s2.0-77954530570
11
42uvby-beta photometry of solar twins The solar colors, model atmospheres, and the T-eff and metallicity scales2ᵒ autor: Schuster W.J., Meléndez J., Silva J.S., Ramírez I., et al.2010ASTRONOMY & ASTROPHYSICSWoS-id: 000284153100104
Scopus-id: 2-s2.0-84859574048
3030
43Observational signatures for depletion in the Spite plateau: Solving the cosmological Li discrepancy?Coautor: Schuster W.J., Melendez J., Casagrande L., Ramírez I., et al.2009Iau Symposium Proceedings SeriesWoS-id: 000282786900036
Scopus-id: 2-s2.0-85028462943
01
44uvby-ß photometry of high-velocity and metal-poor stars XI. Ages of halo and old disk stars1ᵉʳ autor: Schuster W.J., Moitinho A., Márquez A., Parrao L., et al.2006ASTRONOMY & ASTROPHYSICSWoS-id: 000234404500022
Scopus-id: 2-s2.0-30544439776
7576
45Metallicity and absolute magnitude calibrations for UBV photometry2ᵒ autor y autor de correspondencia: Schuster W.J., Karatas Y.2006MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000240564500026
Scopus-id: 2-s2.0-33748701243
2930
46Lithium abundances in halo subgiantsCoautor: Schuster W.J., Yong D., Carney B.W., Aoki W., et al.2006AIP Conference ProceedingsScopus-id: 2-s2.0-33846342491
01
47The San Pedro Màrtir open cluster survey: Progress, techniques, preliminary results1ᵉʳ autor: Schuster W., Michel R., Dias W., Tapia-Peralta T., et al.2006Iau Symposium Proceedings SeriesScopus-id: 2-s2.0-36949015837
00
48Kinematics, ages and metallicities for F- and G-type stars in the solar neighbourhoodCoautor y autor de correspondencia: Schuster W.J., Karatas Y., Bilir S.2005MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYWoS-id: 000230303900012
Scopus-id: 2-s2.0-22144467369
2826
49Strömgren photometry and high resolution spectroscopy of very metal-poor stars1ᵉʳ autor: Schuster W.J., Michel R., Beers T.C.2005REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, SERIE DE CONFERENCIASScopus-id: 2-s2.0-33750737933
01
50uvby-ß photometry of high-velocity and metal-poor stars: X. Stars of very low metal abundance: Observations, reddenings, metallicities, classifications, distances, and relative ages1ᵉʳ autor: Schuster W.J., Beers T.C., Michel R., Nissen P.E., et al.2004ASTRONOMY & ASTROPHYSICSWoS-id: 000223348300021
Scopus-id: 2-s2.0-3342984155
3839
51San Pedro Mártir: Astronomical site evaluationCoautor: Schuster W.J., Cruz-González I., Avila R., Tapia M., et al.2004Proceedings of SPIEScopus-id: 2-s2.0-5444225635
08
52The importance of atmospheric extinction measures and the mean extinction curve for San Pedro Mártir2ᵒ autor y autor de correspondencia: Schuster W.J., Parrao L.2003REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, SERIE DE CONFERENCIASScopus-id: 2-s2.0-45749099973
013
53The atmospheric extinction of San Pedro Martir1ᵉʳ autor: Schuster W.J., Parrao L.2001REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICAScopus-id: 2-s2.0-0035486224
039
54A carbon rich star BD +75° 348: A binary?Coautor y autor de correspondencia: Schuster W.J., Zacs L., Schmidt M.R.2000ASTRONOMY & ASTROPHYSICSScopus-id: 2-s2.0-0007465666
012
55The chemical composition of HD 196944: A carbon and s-process rich, very metal-poor starCoautor y autor de correspondencia: Schuster W.J., Zacs L., Nissen P.E.1998ASTRONOMY & ASTROPHYSICSScopus-id: 2-s2.0-0040300570
034
56uvby-ß photometry of high-velocity and metal-poor stars IX. Effects of orbital chaos in the Galactic halo1ᵉʳ autor: Schuster W.J., Allen C.1997ASTRONOMY & ASTROPHYSICSScopus-id: 2-s2.0-0013137869
014
57Temperatures for A0-K0 supergiants from 13-color photometryCoautor y autor de correspondencia: Schuster W.J., Bravo Alfaro H., Arellano Ferro A.1997PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFICScopus-id: 2-s2.0-0031485239
013
58Chemical composition of halo and disk stars with overlapping metallicities2ᵒ autor y autor de correspondencia: Schuster W.J., Nissen P.E.1997ASTRONOMY & ASTROPHYSICSScopus-id: 2-s2.0-3943054115
0257
59Surface gravities of metal-poor stars derived from Hipparcos parallaxesCoautor y autor de correspondencia: Schuster W.J., Nissen P.E., Høg E.1997European Space Agency, (special Publication) Esa SpScopus-id: 2-s2.0-5244374675
024
60Detection and correction of scattered light in the 2.1-m San Pedro Mártir telescopeCoautor: Schuster W.J., Gutiérrez L., López J.A., Luna E., et al.1996REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICAScopus-id: 2-s2.0-0030268370
02
61Uvby-ß photometry of high-velocity and metal-poor stars. VIII. Stars of very low metal abundance1ᵉʳ autor y autor de correspondencia: Schuster W.J.1996ASTRON ASTROPHYS SUPScopus-id: 2-s2.0-3342911032
031
62Optical variability of the seyfert nucleus NGC 7469 in timescales from days to minutes2ᵒ autor: Schuster W.J., Dultzin-Hacyan D., Parrao L., Peña J.H., et al.1992ASTRONOMICAL JOURNALScopus-id: 2-s2.0-0006211411
025
63A search for distant stars in the milky way galaxy's halo and thick diskCoautor: Schuster W., Croswell K., Latham D.W., Carney B.W., et al.1991ASTRONOMICAL JOURNALScopus-id: 2-s2.0-0039775071
023

Capítulos de libros (WoS y Scopus)

# Título del capítulo Título del libro Autores Alcance Año ISBN Fuente
1Empirical Calibration of the Physical Parameters of Solar-like Stars using uvby-Stromgren PhotometryNew Quests In Stellar Astrophysics Iii: A Panchromatic View Of Solar-Like Stars, With And Without PlanetsSchuster, W. J., Chavarria-K, C., Garcia, J. G., et al.Proceedings Paper20139781583818282WoS-id: 000323627300029

Docencia Impartida

# Entidad Nivel Asignatura Año Semestre Alumnos
1Instituto de AstronomíaMaestríaTEMAS SELECTOS DE ASTROFISICA20152015-21
2Instituto de AstronomíaMaestríaSEMINARIO DE INVESTIGACION II20082009-11
3Instituto de AstronomíaMaestríaSEMINARIO DE INVESTIGACION I20082008-21
4Instituto de AstronomíaMaestríaASTRONOMIA OBSERVACIONAL20072008-13

Reportes Técnicos

# Título del documento Autores Año Entidad
1Réplica a escala del telescopio de 2.1m del OANRT-2010-03 INSTRUMENTACIÓNCORDOVA, ANTOLIN, DE LARA, MARIA ESTELA, GARCIA, BENJAMIN, et al.2010INSTITUTO DE ASTRONOMÍA

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