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AT 2016blu: Accretion-powered Outbursts in a Luminous Blue Variable and Compact Object Binary

  • Authors: Mojgan Aghakhanloo, Núria Torres-Albà, Nathan Smith, Raphael Baer-Way, Shazrene Mohamed, Alexei V. Filippenko, WeiKang Zheng, Thomas G. Brink, D. Andrew Howell, Brian Hsu, Moira Andrews, Joseph R. Farah, Curtis McCully, Kathryn Wynn, Réka Könyves-Tóth, Conor L. Ransome, Enrique Rathmann, Tamás Tordai, Sjoerd Dufoer, Charles Cynamon, Franz-Josef Hambsch, Thomas Rutherford, Simone Leonini, Franky Dubois, Ivo Peretto, Donald F. Collins, Lorenzo Betti, Lara Fossi, Irene Parenti, Vincenzo Pettina, Giulio Giordano Chiti, Maria Hofheinz, André Steenkamp, Sauro Gaudenzi, Nikola Antonov, Giuseppe Pappa

Mojgan Aghakhanloo et al 2026 The Astrophysical Journal 1011 .

  • Provider: AAS Journals

Caption: Figure 7.

Color evolution of AT 2016blu during its 2026 outburst. The data are obtained from Lick/KAIT, with magnitudes interpolated. The gray dashed line corresponds to that shown in Figure 4, representing the combined magnitude evolution from multiple telescopes. An anticorrelated evolution is observed between V − R and R − I: V − R transitions from red to blue and then reddens again, while R − I reddens from an initial value near zero before returning to nearly zero.

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