Multiwavelength Observations of Multiple Eruptions of the Recurrent Nova M31N 2008-12a
Multiwavelength Observations of Multiple Eruptions of the Recurrent Nova M31N 2008-12a
Abstract We report the optical, UV, and soft X-ray observations of the 2017–2022 eruptions of the recurrent nova M31N 2008-12a. We find a cusp feature in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mi>r</mml:mi> <mml:mo accent="false">′</mml:mo> </mml:math> - and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mi>i</mml:mi> <mml:mo accent="false">′</mml:mo> </mml:math> -band light curves close to the peak, …