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Cristóbal Manuel Espinoza Romo

Profesor Asistente

Universidad de Santiago de Chile

Santiago, Chile

Líneas de Investigación


Pulsar timing. Pulsar glitches and pulsar spin evolution. Pulsar populations. Neutron star physics. Space physics. Earth's Magnetosphere.

Educación

  •  Astrophysics, UNIVERSITY OF MANCHESTER. Reino Unido, 2010
  •  Astronomy, UNIVERSIDAD DE CHILE. Chile, 2005
  •  Physics, UNIVERSIDAD DE CHILE. Chile, 2003

Experiencia Académica

  •   Profesor Asociado Full Time

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Chile

    2021 - A la fecha

Experiencia Profesional

  •   Teacher Part Time

    Saint Gerorge's College

    Santiago, Chile

    2005 - 2005

  •   Postdoc Full Time

    Universidad de Santiago de Chile

    Chile

    2019 - 2021

  •   Postdoc en proyecto Anillo Full Time

    Universidad de Santiago de Chile

    Chile

    2016 - 2018

  •   Postdoctorado FONDECYT Full Time

    Pontifica Universidad Católica de Chile

    Chile

    2013 - 2015

  •   Postdoctoral research associate Full Time

    The University of Manchester

    Chile

    2010 - 2013

Formación de Capital Humano


* Mentoring
- Engineering Physics thesis: S. Sánchez (Universidad de Santiago de Chile, 2020).
- Research project: Engineering Physics student S. Sánchez (Universidad de Santiago de Chile, 2018-2019).
- MSc thesis: José Rafael Fuentes (co-supervised, Pontificia Universidad Católica de Chile, 2018).
- Judge at the 3rd International Young Physicists Tournament (Universidad de Santiago de Chile, 2017).
- Mentor at the 2nd International Young Physicists Tournament (Pontificia Universidad Católica de Chile, 2016)
- Research project and Bachelor thesis: J. R. Fuentes (Pontificia Universidad Católica de Chile, 2015).

* Teaching
- Lecturer of Physics I, Physics II, and Electromagnetism for Engineering students (Universidad de Santiago de Chile; 2016-2017).
- Course on compact objects (Fundación AstroManía, Santiago de Chile 2015).
- Physics in Spanish (The University of Manchester; 2009).
- Astronomy for 10 years old children (Saint George’s College, Santiago de Chile, 2005)
- Assistant teacher at for Physics students (Universidad de Chile; 2001-2002)
- Assistant teacher at for Biology and CHemistry students (Universidad de Chile; 1999-2000)


Difusión y Transferencia


* Talks for kids or general public
- 2018: "Un pulsar demente en la Gran Nube de Magallanes", Liceo Juan José Latorre, Mejillones, Chile.
- 2018: "Un pulsar demente en la Gran Nube de Magallanes", Liceo de Aplicación, Santiago, Chile.
- 2018: "Pulsares en la Galaxia", Colegio San Lorenzo, Coquimbo, Chile.
- 2018: "Naturaleza y evolución de pulsares en la Galaxia", Complejo educacional Consolidada, Puente Alto, Chile.
- 2018: "Naturaleza y evolución de pulsares en la Galaxia", Ciclo de coloquios de Física 2018, Planetario USACH, Santiago, Chile.
- 2017: "Pulsares: rotación y evolución", Ciclo de coloquios de Física 2017, Planetario USACH, Santiago, Chile.
- 2016: Talk for school kids during the Día de la Astronomía, organized by Conicyt- Explora. Colegio Balmaceda, Peñaflor, Chile.
- 2015: Talk (charla magistral) at the 4th meeting of school astronomy groups (4to Encuentro de academias de astronomía), organized by fundación AstroManía, Chile.
- 2014: Talk (charla magistral) at the 3rd meeting of school astronomy groups (3er Encuentro de academias de astronomía), organized by fundación AstroManía, Chile.

* Press releases
- 2015: Associated with paper "Pinning down the superfluid and measuring masses using pulsar glitches". It appeared on several science-news webpages (for instance phys.org and sci-new.com) and in Nature Physics Research highlights.
- 2014: Associated with paper "Neutron star glitches can have a minimum size". It appeared on various science-news webpages, like astronomy.com and universetoday.com. A version in spanish appeared in the PUC's institute and university web pages and also in dicyt.com.

* Invited conference talks
- 2019: Observations of glitches (invited); PHAROS Conference 2019: the multi-messenger physics and astrophysics of neutron stars, Barcelona, Spain.
- 2016: Glitch observations (invited); COSPAR 41st Scientiffic Aseembly 2016, Istanbul, Turkey. –Event cancelled by COSPAR president due to terrorist attacks at Istanbul airport.
- 2014: Glitches and timing noise (invited); Physics of Neutron Stars 2014, Ioffe Physical Technical Institute, St. Petersburg, Russia.

* Invited talks at research groups (selected from last 9 years)
- 2019: The repercussions of pulsar glitches; Nicolaus Copernicus Astronomical Center, Warsaw, Poland.
- 2018: The insane young pulsar PSR J0537?6910; ALMA/JAO Coloquium, Vitacura, Santiago, Chile.
- 2018: Pulsar timing; Nicolaus Copernicus Astronomical Center, Warsaw, Poland.
- 2016: Pulsar braking indices and neutron star superfluids; Talk at the astro/Grav lunch, University of Southampton.
- 2016: The rotational history of pulsars; Colloquium at the IA-PUC, Santiago, Chile.
- 2015: The evolution of young pulsars; Anton Pannekoek Institute, University of Amsterdam, The Netherlands.
- 2014: The rotation of pulsars; Seminar at the Centro de Astrofísica de Valparaiso, Universidad de Valparaíso, Chile.
- 2012: Braking indices; Invited talk at the LIGO/Virgo weekly meeting (tele conference).
- 2011: Glitches; Internal seminar at the University of Amsterdam, The Netherlands.

* Experience as Reviewer
- Reviewer for ALMA observing proposals in panel-5 (Stellar evolution and the Sun, 2018, 2019).
- Reviewer for observing proposals submitted to the Giant Metrewave Radio Telescope (GMRT, India, 2018).
- Reviewer for articles submitted to several high impact astronomy journals (see publons.com/researcher/2008188 for verification).


Premios y Distinciones

  •   PPARC-Gemini studentship

    UNIVERSITY OF MANCHESTER

    Reino Unido, 2006

    Studentship to do a PhD on Astronomy in the UK (3 years; PPA/S/G/2006/04449)

  •   First prize on european astronomy poster competition

    UNIVERSITY OF HERTFODSHIRE

    Reino Unido, 2009

    First prize on the Astronomy section of the Poster competition organised during the NAM- JENAM 2009 (the UK’s National Astronomy Meeting / Joint European and National As- tronomy Meeting).

  •   Scholarship

    UNIVERSIDAD DE CHILE

    Chile, 2003

    Scholarship for postgraduate studies in Astronomy (Mecesup project UCH 0118, Expansión del Universo Astronómico en Chile).

  •   FONDECYT Regular

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Chile, 2017

    Neutron stars physics through the study of rotation irregularities

  •   FONDECYT postdoctorado

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Chile, 2013

    Physics under extreme conditions via observations of neutron stars.

  •   Associated Researcher for Anillo project

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Chile, 2017

    Fundamental processes in space plasmas, combining instrumentation, observation, theory and simulations (PIA-ACT 1405).

  •   FONDECYT Regular

    UNIVERSIDAD DE SANTIAGO DE CHILE

    Chile, 2021

    Nº 1211964

  •   Astronomy Funds 2020

    UNIVERSIDAD DE VALPARAISO

    Chile, 2021

    Nº astro20-0066, Scientific advisor.


 

Article (47)

Spontaneous Magnetic Fluctuations and Collisionless Regulation of Turbulence in the Earth's Magnetotail
VLA proper motion constraints on the origin, age, and potential magnetar future of PSR J1734-3333
Diving below the Spin-down Limit: Constraints on Gravitational Waves from the Energetic Young Pulsar PSR J0537-6910
Influence of MHD Turbulence on Ion Kappa Distributions in the Earth's Plasma Sheet as a Function of Plasma beta Parameter
On the Relation between Kappa Distribution Functions and the Plasma Beta Parameter in the Earth's Magnetosphere: THEMIS Observations
Small glitches and other rotational irregularities of the Vela pulsar
Gravitational waves from transient neutron star f-mode oscillations
Proper motion, spectra, and timing of PSR J1813-1749 using Chandra and NICER
Return of the Big Glitcher: NICER timing and glitches of PSR J0537-6910
Glitch time series and size distributions in eight prolific pulsars
Ion and Electron kappa Distribution Functions Along the Plasma Sheet
Pulsar spin-down: the glitch-dominated rotation of PSR J0537-6910
The Enigmatic Spin Evolution of PSR J0537-6910: r-modes, Gravitational Waves, and the Case for Continued Timing
Braking indices and spin evolution: Something is loose inside neutron stars
New long-term braking index measurements for glitching pulsars using a glitch-template method
The glitch activity of neutron stars
The glitch activity of rotation-powered pulsars
45 years of rotation of the Crab pulsar
Pinning down the superfluid and measuring masses using pulsar glitches
The unusual glitch recoveries of the high-magnetic-field pulsar J1119-6127
45 years of rotation of the crab pulsar
GRAVITATIONAL WAVES FROM KNOWN PULSARS: RESULTS FROM THE INITIAL DETECTOR ERA
Neutron star glitches have a substantial minimum size
Six faint gamma-ray pulsars seen with the Fermi Large Area Telescope Towards a sample blending into the background
BROADBAND PULSATIONS FROM PSR B1821-24: IMPLICATIONS FOR EMISSION MODELS AND THE PULSAR POPULATION OF M28
Six millisecond pulsars detected by the Fermi Large Area Telescope and the radio/gamma-ray connection of millisecond pulsars
THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS
X-ray Observations of High-B Radio Pulsars
Fermi -LAT constraints on the pulsar wind nebula nature of HESS J1857+026
Pulsar Glitches: The Crust is not Enough
PULSED GAMMA RAYS FROM THE ORIGINAL MILLISECOND AND BLACK WIDOW PULSARS: A CASE FOR CAUSTIC RADIO EMISSION?
A study of 315 glitches in the rotation of 102 pulsars
DETECTION OF THE PULSAR WIND NEBULA HESS J1825–137 WITH THE FERMI LARGE AREA TELESCOPE
DISCOVERY OF HIGH-ENERGY GAMMA-RAY EMISSION FROM THE BINARY SYSTEM PSR B1259–63/LS 2883 AROUND PERIASTRON WITH FERMI
Fermi Detection of a Luminous  -Ray Pulsar in a Globular Cluster
OBSERVATIONS OF ENERGETIC HIGH MAGNETIC FIELD PULSARS WITH THE FERMI LARGE AREA TELESCOPE
THE BRAKING INDEX OF PSR J1734–3333 AND THE MAGNETAR POPULATION
The glitch-induced identity changes of PSR J1119−6127
DISCOVERY OF PULSED γ-RAYS FROM PSR J0034–0534 WITH THE FERMI LARGE AREA TELESCOPE: A CASE FOR CO-LOCATED RADIO AND γ-RAY EMISSION REGIONS
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE CRAB PULSAR AND NEBULA
Gamma-Ray Emission from the Shell of Supernova Remnant W44 Revealed by the Fermi LAT
THE FIRST FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS
DISCOVERY OF PULSATIONS FROM THE PULSAR J0205+6449 IN SNR 3C 58 WITH THE FERMI GAMMA-RAY SPACE TELESCOPE
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE VELA PULSAR
PULSED GAMMA-RAYS FROM PSR J2021+3651 WITH THE FERMI LARGE AREA TELESCOPE
Unusual glitch activity in the RRAT J1819−1458: an exhausted magnetar?
Pulsar timing for the Fermi gamma-ray space telescope

BookSection (1)

Probing the neutron star interior and the Equation of State of cold dense matter with the SKA

ConferencePaper (5)

The hottest superfluid and superconductor in the Universe: Discovery and nuclear physics implications
The spin evolution of young pulsars
Glitches in the rotation of pulsars
The glitch-induced identity changes of PSR J1119-6127
Pinning down the superfluid and nuclear equation of state and measuring neutron star mass using pulsar glitches

ConferencePoster (2)

The evolution of Kappa distribution functions and Magnetic field fluctuations in the Plasma Sheet
Characterizing glitches and timing irregularities in pulsars and magnetars

Errata (1)

The glitch activity of neutron stars (vol 608, A131, 2017)

Proyecto (3)

Neutron star Physics through the study of Glitches and rotation irregularities
Fundamental processes in space plasmas physics, combining instrumentation, observations, theory and simulations
PHYSICS UNDER EXTREME CONDITIONS VIA OBSERVATIONS OF NEUTRON STARS
55
Cristóbal Espinoza

Profesor Asistente

Física

Universidad de Santiago de Chile

Santiago, Chile

4
Marina Stepanova

Full Professor, Permanent staff

Physics

Universidad de Santiago de Chile

Santiago, Chile

2
Tassilo Reisenegger

Profesor Titular

Physics

Universidad Metropolitana de Ciencias de la Educación

Santiago, Chile

1
Juan Valdivia

Full Professor

Fisica

DEPARTAMENTO DE FISICA, FACULTAD DE CIENCIAS, UNIVERSIDAD DE CHILE

Santiago, Chile

1
Pablo Moya

Profesor Asistente

Departamento de Fisica

Universidad de Chile

Santiago, Chile

1
Roberto Navarro

Profesor Asistente

Departamento de Física

Universidad de Concepcion

Concepción, Chile