Showing 2022 · astro-ph.HEShow all

40 papers · 2 filters

astro-ph.HE2022★ 18 cited

The Late Time Optical Evolution of Twelve Core-Collapse Supernovae: Detection of Normal Stellar Winds

M. Rizzo Smith, C. S. Kochanek, J. M. M. Neustadt

We analyze the late time evolution of 12 supernovae (SNe) occurring over the last 41 years, including nine Type IIP/L, two IIb, and one Ib/c, using UBVR optical data from t…

astro-ph.HE2022★ 11 cited

A Search for Coincident Neutrino Emission from Fast Radio Bursts with Seven Years of IceCube Cascade Events

R. Abbasi, M. Ackermann, J. Adams +382

This paper presents the results of a search for neutrinos that are spatially and temporally coincident with 22 unique, non-repeating Fast Radio Bursts (FRBs) and one repeating FRB…

astro-ph.HE2022★ 11 cited

SN 2021fxy: Mid-Ultraviolet Flux Suppression is a Common Feature of Type Ia Supernovae

J. M. DerKacy, S. Paugh, E. Baron +26

We present ultraviolet (UV) to near-infrared (NIR) observations and analysis of the nearby Type Ia supernova SN 2021fxy. Our observations include UV photometry from Swift/UVOT, UV…

astro-ph.HE2022★ 12 cited

Supermassive Black Hole Winds in X-rays: SUBWAYS. II. HST UV spectroscopy of winds at intermediate redshifts

M. Mehdipour, G. A. Kriss, M. Brusa +35

We present a UV spectroscopic study of ionized outflows in 21 active galactic nuclei (AGN), observed with the HST. The targets of the SUBWAYS sample were selected with the aim to p…

astro-ph.HE2022★ 55 cited

Supermassive Black Hole Winds in X-rays -- SUBWAYS. I. Ultra-fast outflows in QSOs beyond the local Universe

G. A. Matzeu, M. Brusa, G. Lanzuisi +48

We present a new X-ray spectroscopic study of luminous () active galactic nuclei (AGNs) at intermed…

astro-ph.HE2022★ 5 cited

CONGRuENTS (COsmic-ray, Neutrino, Gamma-ray and Radio Non-Thermal Spectra). I. A predictive model for galactic non-thermal emission

Matt A. Roth, Mark R. Krumholz, Roland M. Crocker +1

The total luminosity and spectral shape of the non-thermal emission produced by cosmic rays depends on their interstellar environment, a dependence that gives rise to correlations…

astro-ph.HE2022★ 12 cited

Search for sub-TeV Neutrino Emission from Novae with IceCube-DeepCore

R. Abbasi, M. Ackermann, J. Adams +383

The understanding of novae, the thermonuclear eruptions on the surfaces of white dwarf stars in binaries, has recently undergone a major paradigm shift. Though the bolometric lumin…

astro-ph.HE2022★ 31 cited

The TeV Sun Rises: Discovery of Gamma rays from the Quiescent Sun with HAWC

A. Albert, R. Alfaro, C. Alvarez +89

We report the first detection of a TeV gamma-ray flux from the solar disk (6.3), based on 6.1 years of data from the High Altitude Water Cherenkov (HAWC) observatory. The 0.5--2…

astro-ph.HE2022★ 13 cited

Searches for Neutrinos from LHAASO ultra-high-energy γ-ray sources using the IceCube Neutrino Observatory

R. Abbasi, M. Ackermann, J. Adams +387

Galactic PeVatrons are Galactic sources theorized to accelerate cosmic rays up to PeV in energy. The accelerated cosmic rays are expected to interact hadronically with nearby ambie…

astro-ph.HE2022★ 31 cited

Volumetric rates of Luminous Red Novae and Intermediate Luminosity Red Transients with the Zwicky Transient Facility

Viraj R. Karambelkar, Mansi M. Kasliwal, Nadejda Blagorodnova +27

Luminous red novae (LRNe) are transients characterized by low luminosities and expansion velocities, and are associated with mergers or common envelope ejections in stellar binarie…

astro-ph.HE2022★ 14 cited

Multiple Flares in the Changing-Look AGN NGC 5273

J. M. M. Neustadt, J. T. Hinkle, C. S. Kochanek +15

NGC 5273 is a known optical and X-ray variable AGN. We analyze new and archival IR, optical, UV, and X-ray data in order to characterize its long-term variability from 2000 to 2022…

astro-ph.HE2022★ 36 cited

A JWST Near- and Mid-Infrared Nebular Spectrum of the Type Ia Supernova 2021aefx

Lindsey A. Kwok, Saurabh W. Jha, Tea Temim +55

We present JWST near- and mid-infrared spectroscopic observations of the nearby normal Type Ia supernova SN 2021aefx in the nebular phase at days past maximum light. Our Nea…

astro-ph.HE2022★ 19 cited

Constraints on populations of neutrino sources from searches in the directions of IceCube neutrino alerts

R. Abbasi, M. Ackermann, J. Adams +380

Beginning in 2016, the IceCube Neutrino Observatory has sent out alerts in real time containing the information of high-energy (~TeV) neutrino candidate events with…

astro-ph.HE2022★ 62 cited

A Systematic View of Ten New Black Hole Spins

Paul A. Draghis, Jon M. Miller, Abderahmen Zoghbi +4

The launch of NuSTAR and the increasing number of binary black hole (BBH) mergers detected through gravitational wave (GW) observations have exponentially advanced our understandin…

astro-ph.HE2022★ 29 cited

Optical/-ray blazar flare correlations: understanding the high-energy emission process using ASAS-SN and Fermi light curves

T. de Jaeger, B. J. Shappee, C. S. Kochanek +7

Using blazar light curves from the optical All-Sky Automated Survey for Supernovae (ASAS-SN) and the -ray \textit{Fermi}-LAT telescope, we performed the most extensive statistic…

astro-ph.HE2022★ 18 cited

The ASAS-SN Bright Supernova Catalog -- V. 2018-2020

K. D. Neumann, T. W. -S. Holoien, C. S. Kochanek +55

We catalog the 443 bright supernovae discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN) in along with the 519 supernovae recovered by ASAS-SN and 516 a…

astro-ph.HE2022★ 10 cited

High-energy neutrinos from choked-jet supernovae: Searches and implications

Po-Wen Chang, Bei Zhou, Kohta Murase +1

The origin of the high-energy astrophysical neutrinos discovered by IceCube remains largely unknown. Multimessenger studies have indicated that the majority of these neutrinos come…

astro-ph.HE2022★ 33 cited

X-ray Properties of NGC 253's Starburst-Driven Outflow

Sebastian Lopez, Laura A. Lopez, Dustin D. Nguyen +5

We analyze image and spectral data from 365~ks of observations from the {\it Chandra} X-ray Observatory of the nearby, edge-on starburst galaxy NGC 253 to constrain proper…

astro-ph.HE2022★ 29 cited

Where are Milky Way's Hadronic PeVatrons?

Takahiro Sudoh, John F. Beacom

Observations of the Milky Way at TeV-PeV energies reveal a bright diffuse flux of hadronic cosmic rays and also bright point sources of gamma rays. If the gamma-ray sources are had…

astro-ph.HE2022★ 19 cited

The Early Evolution of Magnetar Rotation I: Slowly Rotating "Normal" Magnetars

Tejas Prasanna, Matthew S. B. Coleman, Matthias J. Raives +1

In the seconds following their formation in core-collapse supernovae, "proto"-magnetars drive neutrino-heated magneto-centrifugal winds. Using a suite of two-dimensional axisymmetr…

astro-ph.HE2022★ 26 cited

Search for Astrophysical Neutrinos from 1FLE Blazars with IceCube

R. Abbasi, M. Ackermann, J. Adams +379

The majority of astrophysical neutrinos have undetermined origins. The IceCube Neutrino Observatory has observed astrophysical neutrinos but has not yet identified their sources. B…

astro-ph.HE2022★ 36 cited

IceCube search for neutrinos coincident with gravitational wave events from LIGO/Virgo run O3

R. Abbasi, M. Ackermann, J. Adams +378

Using data from the IceCube Neutrino Observatory, we searched for high-energy neutrino emission from the gravitational-wave events detected by advanced LIGO and Virgo detectors dur…

astro-ph.HE2022★ 12 cited

Spatially resolved study of the SS 433/W50 west region with Chandra: X-ray structure and spectral variation of non-thermal emission

Kazuho Kayama, Takaaki Tanaka, Hiroyuki Uchida +6

The X-ray binary SS 433, embedded in the W50 nebula (or supernova remnant W50), shows bipolar jets that are ejected with mildly relativistic velocities, and extend toward the east…

astro-ph.HE2022★ 11 cited

Core-collapse Supernovae in the Dark Energy Survey: Luminosity Functions and Host Galaxy Demographics

M. Grayling, C. P. Gutiérrez, M. Sullivan +73

We present the luminosity functions and host galaxy properties of the Dark Energy Survey (DES) core-collapse supernova (CCSN) sample, consisting of 69 Type II and 50 Type Ibc spect…