Man

Gabriel Ignacio Torrealba Arancibia

Data Scientist

Falabella Retail

Santiago, Chile

Líneas de Investigación


Milky way halo substructure, satellite galaxies, ultra diffuse galaxies, ultra faint galaxies, big data and machine learning.

Educación

  •  Astrophysics, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2012
  •  Astronomy, UNIVERSITY OF CAMBRIDGE. Reino Unido, 2017

Experiencia Académica

  •   Postdoc Full Time

    ACADEMIA SINICA

    Astronomy and astrophysics

    Taipei, Taiwán

    2017 - 2019

Experiencia Profesional

  •   Data Scientist Full Time

    Falabella Retail

    Santiago, Chile

    2019 - At present


 

Article (18)

Bootes. IV. A new Milky Way satellite discovered in the Subaru Hyper Suprime-Cam Survey and implications for the missing satellite problem

Homma, Daisuke; Chiba, Masashi; Komiyama, Yutaka; Tanaka, Masayuki; Okamoto, Sakurako; Tanaka, Mikito; Ishigaki, Miho N.; Hayashi, Kohei; Arimoto, Nobuo; Carlsten, Scott G.; et al.

Article ISI
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN  (2019)

Nine tiny star clusters in Gaia DR1, PS1, and DES



Article ISI
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2019)

The hidden giant: discovery of an enormous Galactic dwarf satellite in Gaia DR2

Li, T. S.; Walker, M. G.; Sanders, J. L.; Geringer-Sameth, A.; Zucker, D. B.; Evans, N. W.; Dehnen, W.

Article ISI
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2019)

Discovery of a thin stellar stream in the SLAMS survey

Torrealba G.; de Boer T.; Koposov, S. E.; Duffau S.

Article ISI SCOPUS
 (2018)

Discovery of two neighbouring satellites in the Carina constellation with MagLiteS

Torrealba G.; Belokurov V.; Koposov S.E.; Olsen K.A.G.; Vivas A.K.; Yanny B.; Jethwa P.; Walker A.R.; Li T.S.; Conn B.C.; et al.

Article ISI SCOPUS
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2018)

Ships Passing in the Night: Spectroscopic Analysis of Two Ultra-faint Satellites in the Constellation Carina

Li T.S.; Simon J.D.; Torrealba G.; Vivas A.K.; Van Der Marel R.P.; Belokurov V.; Zucker D.B.; Lewis G.; Kron R.; Nidever D.L.; et al.

Article ISI SCOPUS
ASTROPHYSICAL JOURNAL  (2018)

Crater 2: An Extremely Cold Dark Matter Halo

Caldwell, Nelson; Mateo, Mario; Olszewski, Edward W.; Belokurov, Vasily; Johnson, Christian I.

Article ISI
ASTROPHYSICAL JOURNAL  (2017)

Gaia 1 and 2. A pair of new Galactic star clusters

Koposov, Sergey E.

Article ISI
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2017)

The Catalina Surveys Southern periodic variable star catalogue

Graham, M. J.; McNaught, R. H.

Article ISI SCOPUS
Monthly Notices of the Royal Astronomical Society  (2017)

At the survey limits: discovery of the Aquarius 2 dwarf galaxy in the VST ATLAS and the SDSS data



Article ISI
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2016)

The feeble giant. Discovery of a large and diffuse Milky Way dwarf galaxy in the constellation of Crater

Koposov, S. E.

Article ISI
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2016)

BEASTS OF THE SOUTHERN WILD: DISCOVERY OF NINE ULTRA FAINT SATELLITES IN THE VICINITY OF THE MAGELLANIC CLOUDS

Koposov, Sergey E.; Belokurov, Vasily; Evans, N. Wyn

Article ISI
ASTROPHYSICAL JOURNAL  (2015)

Discovery of similar to 9000 new RR Lyrae in the southern Catalina surveys

Torrealba G.; Catelan M.; Drake A.J.; Djorgovski S.G.; McNaught, RH; Belokurov V.; Koposov S.; Graham M.J.; Mahabal A.; Larson, S; et al.

Article ISI SCOPUS
Monthly Notices of the Royal Astronomical Society  (2015)

Indication of Gamma-Ray Emission from the Newly Discovered Dwarf Galaxy Reticulum II

Geringer-Sameth, Alex; Koushiappas, Savvas M.; Koposov, Sergey E.; Belokurov, Vasily

Article ISI
PHYSICAL REVIEW LETTERS  (2015)

THE CATALINA SURVEYS PERIODIC VARIABLE STAR CATALOG

Drake A.J.; Graham M.J.; Djorgovski S.G.; Catelan M.; Mahabal A.A.; Torrealba G.; Garcia-Alvarez D.; Donalek C.; Prieto J.L.; Williams R.; et al.

Article ISI SCOPUS
Astrophysical Journal, Supplement Series  (2014)

ULTRA-SHORT PERIOD BINARIES FROM THE CATALINA SURVEYS

Drake A.J.; Djorgovski S.G.; Garcia-Alvarez D.; Graham M.J.; Catelan M.; Mahabal A.A.; Donalek C.; Prieto J.L.; Torrealba G.; Abraham S.; et al.

Article ISI SCOPUS
ASTROPHYSICAL JOURNAL  (2014)

EVIDENCE FOR A MILKY WAY TIDAL STREAM REACHING BEYOND 100 kpc

Drake A.J.; Catelan M.; Djorgovski S.G.; Torrealba G.; Graham M.J.; Mahabal A.; Prieto J.L.; Donalek C.; Williams R.; Larson, S; et al.

Article ISI SCOPUS
Astrophysical Journal  (2013)

PROBING THE OUTER GALACTIC HALO WITH RR LYRAE FROM THE CATALINA SURVEYS

Drake A.J.; Catelan M.; Djorgovski S.G.; Torrealba G.; Graham M.J.; Belokurov V.; Koposov S.E.; Mahabal A.; Prieto J.L.; Donalek C.; et al.

Article ISI SCOPUS
Astrophysical Journal  (2013)

7
Márcio Catelan

Full Professor

Instituto de Astrofísica

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

1
Douglas Geisler

Full Professor

Astronomy

UNIVERSIDAD DE CONCEPCION, DEPTO DE ASTRONOMIA

Concepcion, Chile

1
Julio Carballo

Independent Researcher

Instituto de Alta Investigación - Universidad de Tarapacá

Arica, Chile

18
Gabriel Torrealba

Data Scientist

Inteligencia Artificial

Falabella Retail

Santiago, Chile