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    A Near-infrared Search for Helium in the Superluminous Supernova SN 2024ahr

    A Near-infrared Search for Helium in the Superluminous Supernova SN 2024ahr by Harsh Kumar, Edo Berger, Peter K. Blanchard, Sebastian Gomez, Daichi Hiramatsu, Moira Andrews, K. Azalee Bostroem, Yize Dong, Joseph Farah, Estefania Padilla Gonzalez, D. Andrew Howell, Curtis McCully, Darshana Mehta, Megan Newsome, Aravind P. Ravi, Giacomo Terreran

    Published 2025-01-01

    We present a detailed study of SN 2024ahr, a hydrogen-poor superluminous supernova (SLSN-I), for which we determine a redshift of z = 0.0861. SN 2024ahr has a peak absolute magnitude of M _g ≈ M _r ≈ −21 mag, rest-frame rise and decline times (50% of peak) of about 40 and 80 days, respectively, and...

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