most citedA gravitational-wave standard siren measurement of the Hubble constant

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astro-ph.HE2023★ 2 cited

An Asymmetric Double-Degenerate Type Ia Supernova Explosion with a Surviving Companion Star

Matthew R. Siebert, Ryan J. Foley, Yossef Zenati +6

We present nebular spectroscopy of SN 2020hvf, a Type Ia supernova (SN Ia) with an early bump in its light curve. SN 2020hvf shares many spectroscopic and photometric similarities…