The zwicky transient facility: science objectives

MJ Graham, SR Kulkarni, EC Bellm… - Publications of the …, 2019‏ - iopscience.iop.org
Abstract The Zwicky Transient Facility (ZTF), a public–private enterprise, is a new time-
domain survey employing a dedicated camera on the Palomar 48-inch Schmidt telescope …

The ASKAP variables and slow transients (VAST) pilot survey

T Murphy, DL Kaplan, AJ Stewart, A O'Brien… - Publications of the …, 2021‏ - cambridge.org
The Variables and Slow Transients Survey (VAST) on the Australian Square Kilometre Array
Pathfinder (ASKAP) is designed to detect highly variable and transient radio sources on …

EvryFlare. I. Long-term evryscope monitoring of flares from the cool stars across half the southern sky

WS Howard, H Corbett, NM Law… - The Astrophysical …, 2019‏ - iopscience.iop.org
We search for superflares from 4068 cool stars in 2+ yr of Evryscope photometry, focusing
on those with high-cadence data from both Evryscope and the Transiting Exoplanet Survey …

ZTF20aajnksq (AT 2020blt): a fast optical transient at z≈ 2.9 with no detected gamma-ray burst counterpart

AYQ Ho, DA Perley, P Beniamini… - The Astrophysical …, 2020‏ - iopscience.iop.org
We present ZTF20aajnksq (AT 2020blt), a fast-fading (Δr= 2.3 mag in Δt= 1.3 days) red (g−
r≈ 0.6 mag) and luminous (M 1626 Å=− 25.9 mag) optical transient at z= 2.9 discovered by …

Minute-cadence observations of the LAMOST fields with the TMTS: I. Methodology of detecting short-period variables and results from the first-year survey

J Lin, X Wang, J Mo, G **, J Zhang… - Monthly Notices of …, 2022‏ - academic.oup.com
ABSTRACT Tsinghua University-Ma Huateng Telescopes for Survey (TMTS), located at
**nglong Station of NAOC, has a field of view up to 18 deg2. The TMTS has started to …

Possible origin of AT2021any: A failed gamma-ray burst from a structured jet

F Xu, YF Huang, JJ Geng - Astronomy & Astrophysics, 2023‏ - aanda.org
Afterglows not associated with any gamma-ray bursts (GRBs) are called orphan afterglows.
The detection of such afterglows is an important goal in many sky survey programs …

Gravitationally lensed orphan afterglows of gamma-ray bursts

HX Gao, JJ Geng, L Hu, MK Hu, GX Lan… - Monthly Notices of …, 2022‏ - academic.oup.com
The cosmological nature of gamma-ray bursts (GRBs) implies that a small portion of them
could be gravitationally lensed by foreground objects during their propagation. The …

Orphan optical flare as SOSS emission afterglow, localization in time

V Lipunov, V Kornilov, K Zhirkov… - Monthly Notices of …, 2022‏ - academic.oup.com
We report on MASTER optical observations of an afterglow-like optical and X-ray transient
AT2021lfa/ZTF21aayokph. We detected the initial steady brightening of the transient at 7σ …

Probing the extragalactic fast transient sky at minute time-scales with DECam

I Andreoni, J Cooke, S Webb, A Rest… - Monthly Notices of …, 2020‏ - academic.oup.com
Searches for optical transients are usually performed with a cadence of days to weeks,
optimized for supernova discovery. The optical fast transient sky is still largely unexplored …

The First Detection of an Orphan Burst at the Rise Phase

VM Lipunov, VG Kornilov, VV Topolev, NV Tyurina… - Astronomy Letters, 2022‏ - Springer
We report on the earliest detection of the optical transient MASTER OT J123248. 62-
012924.5 coincident within the error box with the optical and X-ray transient AT2021lfa …