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Zhen Guo

Assistant Professor

Universidad de Valparaíso

Valparaiso, Chile

I am involving in the study of outbursts on young stars

Astronomy, UNIVERSITY PEKING. China, 2008

Assistant Professor Full Time

UNIVERSIDAD DE VALPARAISO

Chile

2024 - At present

Assistant Professor Full Time

Universidad de Valparasio

Chile

2024 - At present


Confirmation of a ring structure in the disk around MP Mus (PDS 66) with ALMA Band 7 observations Aguayo, Aurora; Caceres, Claudio; Guo, Zhen; Schreiber, Matthias R.; Ribas, Alvaro; Kastner, Joel H.; Cieza, Lucas A.; Pérez Sebastián; Canovas, Hector; Rojas Bozza, Daniela; et al. Article ISI SCOPUS Astronomy and Astrophysics (2025)
Detection of an Orphan X-Ray Flare from a Blazar Candidate EP240709a with the Einstein Probe Liu, MJ; Zhang Y.J.; Wang Y.; Xue R.; Buckley, D; Howell D.A.; Jin, CC; Li, WX; Monageng, I; Pan, HW; et al. Article ISI SCOPUS Astrophysical Journal (2025)
Eruptive YSOs in Cygnus-X: a mid-infrared variability study with NEOWISE and SPICY Morris C.; Guo Z.; Lucas P.W.; Miller N.; Peña, CC; Kuhn M.A. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2025)
Evidence of a Disk Wind Origin for Fluorescent H2 in Classical T Tauri Stars Kalscheur, M; France K.; Nisini B.; Schneider P.C.; Alexander R.; Eislöffel, J; Campbell-White J.; Shang H.; Gangi M.; Guo Z.; et al. Article ISI SCOPUS Astronomical Journal (2025)
Variable stars in the VVV globular clusters III. RR Lyrae stars in the inner Galactic globular clusters Alonso-Garcia J.; Smith L.C.; Sanders J.L.; Minniti D.; Catelan M.; Rojas G.A.; Carballo-Bello J.A.; FernÃ¡ndez-Trincado J.G.; Lopes C.E.F.; Garro E.R.; et al. Article ISI SCOPUS Astronomy and Astrophysics (2025)
A Multiwavelength, Multiepoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. I. HST Far-UV and Near-UV Spectra Wendeborn J.; Espaillat C.C.; Lopez S.; Thanathibodee T.; Robinson, CE; Pittman, CV; Calvet N.; Flors, N; Walter F.M.; Kóspál, A; et al. Article ISI SCOPUS Astrophysical Journal (2024)
A Multiwavelength, Multiepoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. II. Photometric Light Curves Wendeborn J.; Espaillat C.C.; Thanathibodee T.; Robinson, CE; Pittman, CV; Calvet N.; Kóspál, A; Grankin, KN; Walter F.M.; Guo Z.; et al. Article ISI SCOPUS Astrophysical Journal (2024)
A Multiwavelength, Multiepoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. III. Optical Spectra Wendeborn J.; Espaillat C.C.; Thanathibodee T.; Robinson, CE; Pittman, CV; Calvet N.; Muzerolle J.; Walter F.M.; Eislöffel, J; Fiorellino E.; et al. Article ISI SCOPUS Astrophysical Journal (2024)
Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution? Liu M.C.; He J.H.; Guo Z.; Ge J.X.; Tang, YP Article ISI Research in Astronomy and Astrophysics (2024)
Multiwavelength detection of an ongoing FUOr-type outburst on a low-mass YSO KURTEV, RADOSTIN GEORGIEV; Elbakyan, Vardan; Caratti O Garatti A.; MINNITI-DEL BARCO, DANTE; Jose, Jessy; Muthu, H. D.S. Article SCOPUS Monthly Notices of the Royal Astronomical Society: Letters (2024)
On the incidence of episodic accretion in Class I YSOs from VVV Peña, CC; Lucas P.W.; Guo Z.; Smith L. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2024)
Probing the Shock Breakout Signal of SN 2024ggi from the Transformation of Early Flash Spectroscopy Zhang J.J.; Dessart L.; Wang X.F.; Zhai, Q; Yang Y.; Li, LP; Lin H.; Valerin G.; Cai Y.Z.; Guo Z.; et al. Article ISI SCOPUS Astrophysical Journal Letters (2024)
Search for brown dwarfs in IC 1396 with Subaru HSC: interpreting the impact of environmental factors on substellar population Gupta S.; Jose J.; Das S.R.; Guo Z.; Damian B.; Prakash P.; Samal M.R. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2024)
Spectroscopic confirmation of high-amplitude eruptive YSOs and dipping giants from the VVV survey Tennyson J.; Mauco K.; Muthu, H. D. S. Article ISI Monthly Notices of the Royal Astronomical Society (2024)
The role of thermal instability in accretion outbursts in high-mass stars Elbakyan, VG; Nayakshin, S; Garatti, ACO; Kuiper R.; Guo Z. Article ISI SCOPUS Astronomy and Astrophysics (2024)
The VISTA Variables in the Via Lactea extended (VVVX) ESO public survey: Completion of the observations and legacy Saito, Roberto K.; Hempel, Maren; Alonso J.; Lucas, Philip; MINNITI-DEL BARCO, DANTE; ALONSO, MARIA VICTORIA; Baravalle, Laura D.; Borissova J.; Caceres, Claudio; Chene, Andre-Nicolas; et al. Article ISI Astronomy and Astrophysics (2024)
VVV-WIT-12 and Its Fashionable Nebula: A 4 yr Long-period Young Stellar Object with a Light Echo? Saito, Roberto K.; Stecklum, Bringfried; Minniti, Dante; Lucas, Philip W.; Guo, Zhen; Smith, Leigh C.; Fraga, Luciano; Navarete, Felipe; Beamin, Juan Carlos; Morris, Calum Article ISI SCOPUS Astrophysical Journal Letters (2023)
Large-amplitude periodic outbursts and long-period variables in the VVV VIRAC2-beta data base Kurtev, R. G.; Miller N. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2022)
UGPS J194310+183851: an unusual optical and X-ray faint cataclysmic variable? Morris C.; Maccarone, T. J.; Lucas, P. W.; Strader J.; Britt, C. T.; Miller N.; Swihart, S. J.; Cooper, W. J.; Drew, J. E.; Guo Z. Article ISI Monthly Notices of the Royal Astronomical Society (2022)
Variable stars in the VVV globular clusters: II. NGC 6441, NGC 6569, NGC 6626 (M 28), NGC 6656 (M 22), 2MASS-GC 02, and Terzan 10 Catelan, Marcio; Minniti, Dante; Lopes, Carlos E. Ferreira; Garro, Elisa R.; Guo, Zhen; Hempel, Maren; Kerins, Eamonn; Palma, Tali; Ramirez, Karla Pena; Alegria, Sebastian Ramirez Article ISI SCOPUS Astronomy and Astrophysics (2021)
Six months of multiwavelength follow-up of the tidal disruption candidate ASASSN-14li and implied TDE rates from ASAS-SN Holoien T.W.S.; Kochanek C.S.; Prieto J.L.; Stanek K.Z.; Dong, SB; Shappee B.J.; Grupe D.; Brown J.S.; Basu, U; Beacom J.F.; et al. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2016)

Radostin Kurtev

Titular

Instituto de Física y Astronomía

UNIVERSIDAD DE VALPARAÍSO

Valparaíso, Chile

Márcio Catelan

Full Professor

Instituto de Astrofísica

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Julio Carballo

Independent Researcher

Instituto de Alta Investigación - Universidad de Tarapacá

Arica, Chile

Claudio Caceres

Associate Professor

Ciencias Físicas

Universidad Andrés Bello

Santiago, Chile

Sebastian Perez

Profesor Asociado

Departamento de Física

Universidad de Santiago de Chile

Santiago, Chile

Valeria Mesa

Académica

Astronomía

Universidad de La Serena

La Serena, Chile

Calum Morris

Postdoctoral Researcher

Universidad de Valparaíso

Vina del Mar, Chile

Zhen Guo

Assistant Professor

Universidad de Valparaíso

Valparaiso, Chile

Zhen Guo

Líneas de Investigación

Educación

Astronomy, UNIVERSITY PEKING. China, 2008

Experiencia Académica

Assistant Professor Full Time

Experiencia Profesional

Assistant Professor Full Time

Article (21)

Confirmation of a ring structure in the disk around MP Mus (PDS 66) with ALMA Band 7 observations

Detection of an Orphan X-Ray Flare from a Blazar Candidate EP240709a with the Einstein Probe

Eruptive YSOs in Cygnus-X: a mid-infrared variability study with NEOWISE and SPICY

Evidence of a Disk Wind Origin for Fluorescent H2 in Classical T Tauri Stars

Variable stars in the VVV globular clusters III. RR Lyrae stars in the inner Galactic globular clusters

A Multiwavelength, Multiepoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. I. HST Far-UV and Near-UV Spectra

A Multiwavelength, Multiepoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. II. Photometric Light Curves

A Multiwavelength, Multiepoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. III. Optical Spectra

Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution?

Multiwavelength detection of an ongoing FUOr-type outburst on a low-mass YSO

On the incidence of episodic accretion in Class I YSOs from VVV

Probing the Shock Breakout Signal of SN 2024ggi from the Transformation of Early Flash Spectroscopy

Search for brown dwarfs in IC 1396 with Subaru HSC: interpreting the impact of environmental factors on substellar population

Spectroscopic confirmation of high-amplitude eruptive YSOs and dipping giants from the VVV survey

The role of thermal instability in accretion outbursts in high-mass stars

The VISTA Variables in the Via Lactea extended (VVVX) ESO public survey: Completion of the observations and legacy

VVV-WIT-12 and Its Fashionable Nebula: A 4 yr Long-period Young Stellar Object with a Light Echo?

Large-amplitude periodic outbursts and long-period variables in the VVV VIRAC2-beta data base

UGPS J194310+183851: an unusual optical and X-ray faint cataclysmic variable?

Variable stars in the VVV globular clusters: II. NGC 6441, NGC 6569, NGC 6626 (M 28), NGC 6656 (M 22), 2MASS-GC 02, and Terzan 10

Six months of multiwavelength follow-up of the tidal disruption candidate ASASSN-14li and implied TDE rates from ASAS-SN

Radostin Kurtev

Márcio Catelan

Julio Carballo

Claudio Caceres

Sebastian Perez

Valeria Mesa

Calum Morris

Zhen Guo