Intermediate-mass black holes

JE Greene, J Strader, LC Ho - Annual Review of Astronomy and …, 2020 - annualreviews.org
We describe ongoing searches for intermediate-mass black holes with M BH≈ 10–105 M⊙.
We review a range of search mechanisms, both dynamical and those that rely on accretion …

New insights into classical novae

L Chomiuk, BD Metzger, KJ Shen - Annual Review of Astronomy …, 2021 - annualreviews.org
We survey our understanding of classical novae—nonterminal, thermonuclear eruptions on
the surfaces of white dwarfs in binary systems. The recent and unexpected discovery of GeV …

The Zwicky Transient Facility Bright Transient Survey. II. A public statistical sample for exploring supernova demographics

DA Perley, C Fremling, J Sollerman… - The Astrophysical …, 2020 - iopscience.iop.org
We present a public catalog of transients from the Zwicky Transient Facility (ZTF) Bright
Transient Survey, a magnitude-limited (m< 19 mag in either the g or r filter) survey for …

Design and operation of the ATLAS transient science server

KW Smith, SJ Smartt, DR Young, JL Tonry… - Publications of the …, 2020 - iopscience.iop.org
Abstract The Asteroid Terrestrial impact Last Alert System (ATLAS) system consists of two
0.5 m Schmidt telescopes with cameras covering 29 square degrees at plate scale of 1.86 …

A very luminous jet from the disruption of a star by a massive black hole

I Andreoni, MW Coughlin, DA Perley, Y Yao, W Lu… - Nature, 2022 - nature.com
Tidal disruption events (TDEs) are bursts of electromagnetic energy that are released when
supermassive black holes at the centres of galaxies violently disrupt a star that passes too …

A WC/WO star exploding within an expanding carbon–oxygen–neon nebula

A Gal-Yam, R Bruch, S Schulze, Y Yang, DA Perley… - Nature, 2022 - nature.com
The final fate of massive stars, and the nature of the compact remnants they leave behind
(black holes and neutron stars), are open questions in astrophysics. Many massive stars are …

Luminous fast blue optical transients and type Ibn/Icn SNe from Wolf-Rayet/Black hole mergers

BD Metzger - The Astrophysical Journal, 2022 - iopscience.iop.org
Progenitor models for the" luminous" subclass of Fast Blue Optical Transients (LFBOTs;
prototype: AT2018cow) are challenged to simultaneously explain all of their observed …

Early hard X-rays from the nearby core-collapse supernova SN 2023ixf

BW Grefenstette, M Brightman… - The Astrophysical …, 2023 - iopscience.iop.org
We present NuSTAR observations of the nearby SN 2023ixf in M101 (d= 6.9 Mpc) that
provide the earliest hard X-ray detection of a nonrelativistic stellar explosion to date at δt≈ 4 …

The type Icn SN 2021csp: implications for the origins of the fastest supernovae and the fates of Wolf–Rayet stars

DA Perley, J Sollerman, S Schulze, Y Yao… - The Astrophysical …, 2022 - iopscience.iop.org
We present observations of SN 2021csp, the second example of a newly identified type of
supernova (SN) hallmarked by strong, narrow, P Cygni carbon features at early times (Type …

Periodic fast radio bursts from luminous X-ray binaries

N Sridhar, BD Metzger, P Beniamini… - The Astrophysical …, 2021 - iopscience.iop.org
The discovery of periodicity in the arrival times of the fast radio bursts (FRBs) poses a
challenge to the oft-studied magnetar scenarios. However, models that postulate that FRBs …