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ESO 3.6m telescope, Oscar for escale

ESO 3.6m telescope, Oscar for escale.

Credit: Oscar Barragán

Dr. Oscar Barragan Villanueva

Postdoctoral Research Assistant

Research theme

  • Astronomy and astrophysics
  • Exoplanets and planetary physics

Sub department

  • Astrophysics

Research groups

  • Exoplanets and Stellar Physics
oscar.barragan@physics.ox.ac.uk
Personal webpage
Github
Publications
ORCID:0000-0003-0563-0493
  • About
  • Current projects
  • Publications
logo pyaneti
Pyaneti

pyaneti is a code that allows to fit multi-planet signals in RV and photometric data

Check the code here

Hunting for planet signals in RV and photometric time series, especially for active stars.

Research interests

Astrophysics
Exoplanets
Stars
Open Source
Data analysis
Computational astrophysics

Selected publications

Revisiting K2-233 spectroscopic time-series with multidimensional Gaussian Processes

ArXiv 2304.06406 (2023)
Oscar Barragán, Edward Gillen, Suzanne Aigrain, Annabella Meech, Baptiste Klein, Louise Dyregaard Nielsen, Haochuan Yu, Niamh K O'Sullivan, Belinda A Nicholson, Jorge Lillo-Box

The young HD 73583 (TOI-560) planetary system: Two 10-M$_\oplus$ mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf

ArXiv 2110.13069 (2021)
O Barragán, DJ Armstrong, D Gandolfi, I Carleo, AA Vidotto, C Villarreal D'Angelo, A Oklopčić, H Isaacson, D Oddo, K Collins, M Fridlund, SG Sousa, CM Persson, C Hellier, S Howell, A Howard, S Redfield, N Eisner, IY Georgieva, D Dragomir, D Bayliss, LD Nielsen, B Klein, S Aigrain, M Zhang, J Teske, JD Twicken, J Jenkins, M Esposito, V Van Eylen, F Rodler, V Adibekyan, J Alarcon, DR Anderson, JM Akana Murphy, D Barrado, SCC Barros, B Benneke, F Bouchy, EM Bryant, P Butler, J Burt, J Cabrera, S Casewell, P Chaturvedi, R Cloutier, WD Cochran, J Crane, I Crossfield, N Crouzet, KI Collins, F Dai, HJ Deeg, A Deline, ODS Demangeon, X Dumusque, P Figueira, E Furlan, C Gnilka, MR Goad, E Goffo, F Gutiérrez-Canales, A Hadjigeorghiou, Z Hartman, AP Hatzes, M Harris, B Henderson, T Hirano, S Hojjatpanah, S Hoyer, P Kabáth, J Korth, J Lillo-Box, R Luque, M Marmier, T Močnik, A Muresan, F Murgas, E Nagel, HLM Osborne, A Osborn, HP Osborn, E Palle, M Raimbault, GR Ricker, RA Rubenzahl, C Stockdale, NC Santos, N Scott, RP Schwarz, S Shectman, M Raimbault, S Seager, D Ségransan, LM Serrano, M Skarka, AMS Smith, J Šubjak, TG Tan, S Udry, C Watson, PJ Wheatley, R West, JN Winn, SX Wang, A Wolfgang, C Ziegler

Radial velocity confirmation of K2-100b: a young, highly irradiated, and low-density transiting hot Neptune

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Oxford University Press (OUP) 490:1 (2019) 698-708
O Barragan, S Aigrain, D Kubyshkina, D Gandolfi, J Livingston, MCV Fridlund, L Fossati, J Korth, H Parviainen, L Malavolta, E Palle, HJ Deeg, G Nowak, VM Rajpaul, N Zicher, G Antoniciello, N Narita, S Albrecht, LR Bedin, J Cabrera, WD Cochran, J de Leon, Ph Eigmueller, A Fukui, V Granata, S Grziwa, E Guenther, AP Hatzes, N Kusakabe, DW Latham, M Libralato, R Luque, P Montanes-Rodriguez, F Murgas, D Nardiello, I Pagano, G Piotto, CM Persson, S Redfield, M Tamura

PYANETI II: a multi-dimensional Gaussian process approach to analysing spectroscopic time-series

Monthly Notices of the Royal Astronomical Society Oxford University Press 509:1 (2021) 866-883
Oscar Barragan Villanueva, Suzanne Aigrain, Vinesh M Rajpaul, Norbert Zicher
191090
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