Discovery of X-ray polarization angle rotation in the jet from blazar Mrk 421
L Di Gesu, HL Marshall, SR Ehlert, DE Kim… - Nature …, 2023 - nature.com
The magnetic-field conditions in astrophysical relativistic jets can be probed by
multiwavelength polarimetry, which has been recently extended to X-rays. For example, one …
multiwavelength polarimetry, which has been recently extended to X-rays. For example, one …
[HTML][HTML] From discovery to the first month of the type II supernova 2023ixf: high and variable mass loss in the final year before explosion
D Hiramatsu, D Tsuna, E Berger, K Itagaki… - The Astrophysical …, 2023 - iopscience.iop.org
We present the discovery of the Type II supernova SN 2023ixf in M101 and follow-up
photometric and spectroscopic observations, respectively, in the first month and week of its …
photometric and spectroscopic observations, respectively, in the first month and week of its …
The birth of a relativistic jet following the disruption of a star by a cosmological black hole
DR Pasham, M Lucchini, T Laskar, BP Gompertz… - Nature …, 2023 - nature.com
A black hole can launch a powerful relativistic jet after it tidally disrupts a star. If this jet
fortuitously aligns with our line of sight, the overall brightness is Doppler boosted by several …
fortuitously aligns with our line of sight, the overall brightness is Doppler boosted by several …
[HTML][HTML] Tidal disruption event demographics with the Zwicky Transient Facility: volumetric rates, luminosity function, and implications for the local black hole mass …
We conduct a systematic tidal disruption event (TDE) demographics analysis using the
largest sample of optically selected TDEs. A flux-limited, spectroscopically complete sample …
largest sample of optically selected TDEs. A flux-limited, spectroscopically complete sample …
A comprehensive optical search for pre-explosion outbursts from the quiescent progenitor of SN 2023ixf
We perform a comprehensive search for optical precursor emission at the position of SN
2023ixf using data from the DLT40, ZTF, and ATLAS surveys. By comparing the current data …
2023ixf using data from the DLT40, ZTF, and ATLAS surveys. By comparing the current data …
YSE-PZ: A Transient Survey Management Platform that Empowers the Human-in-the-loop
The modern study of astrophysical transients has been transformed by an exponentially
growing volume of data. Within the last decade, the transient discovery rate has increased …
growing volume of data. Within the last decade, the transient discovery rate has increased …
[HTML][HTML] AT 2022aedm and a new class of luminous, fast-cooling transients in elliptical galaxies
M Nicholl, S Srivastav, MD Fulton… - The Astrophysical …, 2023 - iopscience.iop.org
We present the discovery and extensive follow-up of a remarkable fast-evolving optical
transient, AT 2022aedm, detected by the Asteroid Terrestrial impact Last Alert Survey …
transient, AT 2022aedm, detected by the Asteroid Terrestrial impact Last Alert Survey …
Minutes-duration optical flares with supernova luminosities
In recent years, certain luminous extragalactic optical transients have been observed to last
only a few days. Their short observed duration implies a different powering mechanism from …
only a few days. Their short observed duration implies a different powering mechanism from …
[HTML][HTML] A New Population of Mid-infrared-selected Tidal Disruption Events: Implications for Tidal Disruption Event Rates and Host Galaxy Properties
Most tidal disruption events (TDEs) are currently found in time-domain optical and soft X-ray
surveys, both of which are prone to significant obscuration. The infrared (IR), however, is a …
surveys, both of which are prone to significant obscuration. The infrared (IR), however, is a …
The Gaia alerted fading of the FUor-type star Gaia21elv
Z Nagy, S Park, P Ábrahám, Á Kóspál… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT FU Orionis objects (FUors) are eruptive young stars, which exhibit outbursts that
last from decades to a century. Due to the duration of their outbursts, and to the fact that only …
last from decades to a century. Due to the duration of their outbursts, and to the fact that only …