Four Years of Type Ia Supernovae Observed by TESS: Early-time Light-curve Shapes and Constraints on Companion Interaction Models

MM Fausnaugh, PJ Vallely, MA Tucker… - The Astrophysical …, 2023 - iopscience.iop.org
We present 307 type Ia supernova (SN) light curves from the first 4 yr of the Transiting
Exoplanet Survey Satellite mission. We use this sample to characterize the shapes of the …

Understanding the nature of the optical emission in gamma-ray bursts: analysis from TAROT, COATLI, and RATIR observations

RL Becerra, A Klotz, JL Atteia, D Guetta… - Monthly Notices of …, 2023 - academic.oup.com
We collected the optical light-curve data of 227 gamma-ray bursts (GRBs) observed with the
TAROT, COATLI, and RATIR telescopes. These consist of 133 detections and 94 upper …

Searching for gravitational-wave counterparts using the transiting exoplanet survey satellite

G Mo, R Jayaraman, M Fausnaugh… - The Astrophysical …, 2023 - iopscience.iop.org
In 2017, the LIGO and Virgo gravitational-wave (GW) detectors, in conjunction with
electromagnetic (EM) astronomers, observed the first GW multimessenger astrophysical …

A Comprehensive Investigation of Gamma-Ray Burst Afterglows Detected by TESS

H Roxburgh, R Ridden-Harper, ZG Lane… - The Astrophysical …, 2024 - iopscience.iop.org
Gamma-ray bursts produce afterglows that can be observed across the electromagnetic
spectrum and can provide insight into the nature of their progenitors. While most telescopes …

Polarimetry and photometry of gamma-ray bursts afterglows with RINGO3

M Shrestha, IA Steele, S Kobayashi… - Monthly Notices of …, 2022 - academic.oup.com
We present photometric and polarimetric measurements of gamma-ray burst (GRB) optical
afterglows observed by the RINGO3 imaging polarimeter over its∼ 7 yr lifetime mounted on …

Gamma-Ray Bursts Observed by the Transiting Exoplanet Survey Satellite: Prompt Optical Counterparts and Afterglows of Swift-XRT-localized Gamma-Ray Bursts

R Jayaraman, M Fausnaugh, GR Ricker… - The Astrophysical …, 2024 - iopscience.iop.org
Very few detections have been made of optical flashes contemporaneous with prompt high-
energy emission from a gamma-ray burst (GRB). In this work, we present and analyze light …

Mysterious Dust-emitting Object Orbiting TIC 400799224

BP Powell, VB Kostov, SA Rappaport… - The Astronomical …, 2021 - iopscience.iop.org
We report the discovery of a unique object of uncertain nature—but quite possibly a
disintegrating asteroid or minor planet—orbiting one star of the widely separated binary TIC …

GRB 191016A: The onset of the forward shock and evidence of late energy injection

M Pereyra, N Fraija, AM Watson… - Monthly Notices of …, 2022 - academic.oup.com
We present optical and near-infrared (NIR) photometric observations of GRB 191016 with
the COATLI, DDOTI, and RATIR ground-based telescopes over the first three nights. We …

GRB 191016A: a highly collimated gamma-ray burst jet with magnetized energy injection

M Shrestha, IA Steele, S Kobayashi… - Monthly Notices of …, 2022 - academic.oup.com
Long gamma-ray burst GRB 191016A was a bright and slow rising burst that was detected
by the Swift satellite and followed up by ground based Liverpool Telescope (LT). LT follow …

Measurement methods for gamma-ray bursts redshifts

M Li, Z Kang, C Wu, C Liu, J Mao, Z Li… - Frontiers in Astronomy …, 2023 - frontiersin.org
In the era of multi-messenger astronomy, gamma-ray bursts (GRBs) with known redshifts,
especially high-redshift GRBs, are a powerful tool for studying the structure and evolution of …