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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
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 …
Electromagnetic counterparts to massive black-hole mergers
The next two decades are expected to open the door to the first coincident detections of
electromagnetic (EM) and gravitational-wave (GW) signatures associated with massive …
electromagnetic (EM) and gravitational-wave (GW) signatures associated with massive …
Changing-look quasar candidates: First results from follow-up spectroscopy of highly optically variable quasars
Active galactic nuclei (AGNs) that show strong rest-frame optical/UV variability in their blue
continuum and broad line emission are classified as changing-look AGN, or at higher …
continuum and broad line emission are classified as changing-look AGN, or at higher …
Varstrometry for off-nucleus and dual subkiloparsec AGN (VODKA): Hubble Space Telescope discovers double quasars
Dual supermassive black holes (SMBHs) at∼ kiloparsec scales are the progenitor
population of SMBH mergers and play an important role in understanding the pairing and …
population of SMBH mergers and play an important role in understanding the pairing and …
The Combined Effects of Two-body Relaxation Processes and the Eccentric Kozai–Lidov Mechanism on the Extreme-mass-ratio Inspirals Rate
Gravitational wave (GW) emissions from extreme-mass-ratio inspirals (EMRIs) are promising
sources for low-frequency GW detectors. They result from a compact object, such as a stellar …
sources for low-frequency GW detectors. They result from a compact object, such as a stellar …
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 …
Supermassive black hole binary candidates from the pan-STARRS1 medium deep survey
We present a systematic search for periodically varying quasar and supermassive black
hole binary (SMBHB) candidates in the Pan-STARRS1 Medium Deep Survey (MDS) …
hole binary (SMBHB) candidates in the Pan-STARRS1 Medium Deep Survey (MDS) …
Constraining a companion of the galactic center black hole Sgr A
We use 23 yr of astrometric and radial velocity data on the orbit of the star S0-2 to constrain
a hypothetical intermediate-mass black hole orbiting the massive black hole Sgr A* at the …
a hypothetical intermediate-mass black hole orbiting the massive black hole Sgr A* at the …