Latest Publications
  • Y Gem, a symbiotic star outshone by its asymptotic giant branch primary component
    •     Guerrero, M.A., Vasquez-Torres, D.A., Rodriguez-Gonzalez, J.B., Toalá, J.A. and Ortiz, R., 2025, Astronomy and Astrophysics, 693, A203

  • Asymptotic giant branch stars in the e-ROSITA-DE eRASS1 catalog
    •     Guerrero, M.A., Montez Jr., R., Ortiz, R., Toalá and J.H. Kastner 2024, Astronomy and Astrophysics, 689, A62

  • A nucleossíntese estelar e os elementos químicos essenciais para a vida
    •     Conceição, L.R. and Ortiz, R., 2024, Química Nova na Escola, 46, no.2, 89

  • Three new identifications of extended UV emission around AGB stars
    •     Guerrero, M.A. and Ortiz, R., 2024, Monthly Notices of the Royal Astronomical Society, 527, 4730

  • A large bubble around the AGB star R Dor detected in the UV
    •     Ortiz, R. and Guerrero, M.A., 2023, Monthly Notices of the Royal Astronomical Society, 522, 811

  • Long-term light curve variations of AGB stars: episodic mass-loss or binarity?
    •     Ortiz, R., Jorissen, A. and Planquart, L., 2022, IAU Symp., 366, 184

  • Understanding High-Energy (UV and X-ray) Emission from AGB Stars - Episodic Accretion in Binary systems
    •     Sahai, R., Sanz-Forcada, J., Guerrero, M., Ortiz, R. and Sanchez-Contreras, C., 2022, Galaxies, 10, 62

  • X-ray AGB stars in the 4XMM-DR9 catalogue: further evidence for companions
    •     Ortiz, R. and Guerrero, M.A., 2021, The Astrophysical Journal, 912, 93