Astrophysics with the laser interferometer space antenna
Abstract The Laser Interferometer Space Antenna (LISA) will be a transformative experiment
for gravitational wave astronomy, and, as such, it will offer unique opportunities to address …
for gravitational wave astronomy, and, as such, it will offer unique opportunities to address …
The quest for dual and binary supermassive black holes: A multi-messenger view
The quest for binary and dual supermassive black holes (SMBHs) at the dawn of the multi-
messenger era is compelling. Detecting dual active galactic nuclei (AGN)–active SMBHs at …
messenger era is compelling. Detecting dual active galactic nuclei (AGN)–active SMBHs at …
[HTML][HTML] The NANOGrav 15 yr data set: Constraints on supermassive black hole binaries from the gravitational-wave background
G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
The NANOGrav 15 yr data set shows evidence for the presence of a low-frequency
gravitational-wave background (GWB). While many physical processes can source such low …
gravitational-wave background (GWB). While many physical processes can source such low …
The NANOGrav 15 yr data set: Bayesian limits on gravitational waves from individual supermassive black hole binaries
G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
Evidence for a low-frequency stochastic gravitational-wave background has recently been
reported based on analyses of pulsar timing array data. The most likely source of such a …
reported based on analyses of pulsar timing array data. The most likely source of such a …
The NANOGrav 12.5 yr data set: wideband timing of 47 millisecond pulsars
We present a new analysis of the profile data from the 47 millisecond pulsars comprising the
12.5 yr data set of the North American Nanohertz Observatory for Gravitational Waves, which …
12.5 yr data set of the North American Nanohertz Observatory for Gravitational Waves, which …
Packed ultra-wideband map** array (PUMA): a radio telescope for cosmology and transients
PUMA is a proposal for an ultra-wideband, low-resolution and transit interferometric radio
telescope operating at $200-1100\,\mathrm {MHz} $. Its design is driven by six science goals …
telescope operating at $200-1100\,\mathrm {MHz} $. Its design is driven by six science goals …
Multimessenger time-domain signatures of supermassive black hole binaries
Supermassive black hole binaries (SMBHBs) are a natural outcome of galaxy mergers and
should form frequently in galactic nuclei. Sub-parsec binaries can be identified from their …
should form frequently in galactic nuclei. Sub-parsec binaries can be identified from their …
Mass-ratio and magnetic flux dependence of modulated accretion from circumbinary disks
Accreting supermassive binary black holes (SMBBHs) are potential multimessenger sources
because they emit both gravitational-wave and electromagnetic (EM) radiation. Past work …
because they emit both gravitational-wave and electromagnetic (EM) radiation. Past work …
[PDF][PDF] Fundamental physics opportunities with the next-generation event horizon telescope
Abstract The Event Horizon Telescope (EHT) Collaboration recently published the first
images of the supermassive black holes in the cores of the Messier 87 and Milky Way …
images of the supermassive black holes in the cores of the Messier 87 and Milky Way …
X-ray spectral components of the blazar and binary black hole candidate OJ 287 (2005–2020)
S Komossa, D Grupe, ML Parker… - Monthly Notices of …, 2021 - academic.oup.com
We present a comprehensive analysis of all XMM–Newton spectra of OJ 287 spanning 15 yr
of X-ray spectroscopy of this bright blazar. We also report the latest results from our …
of X-ray spectroscopy of this bright blazar. We also report the latest results from our …