Changing-look active galactic nuclei
C Ricci, B Trakhtenbrot - Nature Astronomy, 2023 - nature.com
Active galactic nuclei (AGNs) are known to show flux variability over all observable
timescales and across the entire electromagnetic spectrum. Over the past decade, a growing …
timescales and across the entire electromagnetic spectrum. Over the past decade, a growing …
The seventeenth data release of the Sloan Digital Sky Surveys: Complete release of MaNGA, MaStar, and APOGEE-2 data
N Abdurro'uf, K Accetta, C Aerts, V Silva Aguirre… - The Astrophysical …, 2022 - osti.gov
This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky
Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the …
Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the …
The seventeenth data release of the Sloan Digital Sky Surveys: Complete release of MaNGA, MaStar, and APOGEE-2 data
K Accetta, C Aerts, VS Aguirre… - The Astrophysical …, 2022 - iopscience.iop.org
The Sloan Digital Sky Surveys (SDSS) have been almost continuously observing the skies
for over 20 yr, since the project began with a first phase in 1998 (SDSS-I; York et al. 2000) …
for over 20 yr, since the project began with a first phase in 1998 (SDSS-I; York et al. 2000) …
Infrared Spectral Energy Distribution and Variability of Active Galactic Nuclei: Clues to the Structure of Circumnuclear Material
The active galactic nucleus (AGN) phenomenon results from a supermassive black hole
accreting its surrounding gaseous and dusty material. The infrared (IR) regime provides …
accreting its surrounding gaseous and dusty material. The infrared (IR) regime provides …
Candidate electromagnetic counterpart to the binary black hole merger gravitational-wave event s190521g
We report the first plausible optical electromagnetic counterpart to a (candidate) binary black
hole merger. Detected by the Zwicky Transient Facility, the electromagnetic flare is …
hole merger. Detected by the Zwicky Transient Facility, the electromagnetic flare is …
UNCOVER Spectroscopy Confirms the Surprising Ubiquity of Active Galactic Nuclei in Red Sources at z> 5
JE Greene, I Labbe, AD Goulding… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The James Webb Space Telescope is revealing a new population of dust-reddened
broad-line active galactic nuclei (AGN) at redshifts z≳ 5. Here we present deep …
broad-line active galactic nuclei (AGN) at redshifts z≳ 5. Here we present deep …
The MeerKAT Galaxy Cluster Legacy Survey-I. Survey Overview and Highlights
K Knowles, WD Cotton, L Rudnick, F Camilo… - Astronomy & …, 2022 - aanda.org
MeerKAT's large number (64) of 13.5 m diameter antennas, spanning 8 km with a densely
packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity …
packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity …
Discovery and confirmation of the shortest gamma-ray burst from a collapsar
Gamma-ray bursts (GRBs) are among the brightest and most energetic events in the
Universe. The duration and hardness distribution of GRBs has two clusters, now understood …
Universe. The duration and hardness distribution of GRBs has two clusters, now understood …
Gaia Early Data Release 3-The celestial reference frame (Gaia-CRF3)
SA Klioner, L Lindegren, F Mignard… - Astronomy & …, 2022 - aanda.org
Context. Gaia-CRF3 is the celestial reference frame for positions and proper motions in the
third release of data from the Gaia mission, Gaia DR3 (and for the early third release, Gaia …
third release of data from the Gaia mission, Gaia DR3 (and for the early third release, Gaia …
The rebrightening of a ROSAT-selected tidal disruption event: repeated weak partial disruption flares from a quiescent galaxy?
A Malyali, Z Liu, A Rau, I Grotova… - Monthly Notices of …, 2023 - academic.oup.com
The ROSAT-selected tidal disruption event (TDE) candidate RX J133157. 6− 324319.7
(J1331) was detected in 1993 as a bright [0.2–2 keV flux of (1.0±0.1)× 10− 12 erg s− 1 cm …
(J1331) was detected in 1993 as a bright [0.2–2 keV flux of (1.0±0.1)× 10− 12 erg s− 1 cm …