output
19932026
most citedGW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9.8k citations

Showing astro-ph.GAShow all

34 papers · 1 filter

astro-ph.GA2025★ 1 cited

The luminosity history of fading local quasars over 10 years as observed by VLT/MUSE

C. Finlez, E. Treister, F. Bauer +10

We present a comprehensive study of five nearby active galaxies featuring large (tens of kpc) extended emission-line regions (EELRs). The study is based on large-format integral fi…

astro-ph.GA2025★ 3 cited

JWSTs PEARLS: NIRCam imaging and NIRISS spectroscopy of a star-forming galaxy lensed into a near-Einstein Ring by a massive elliptical galaxy

Nathan J. Adams, Giovanni Ferrami, Lewi Westcott +30

We present the discovery, and initial lensing analysis, of a high-redshift galaxy-galaxy lensing system within the JWST-PEARLS/HST-TREASUREHUNT North Ecliptic Pole Time Domain Fiel…

astro-ph.GA2024★ 1 cited

The NuSTAR Local AGN Distribution Survey (NuLANDS) I: Towards a Truly Representative Column Density Distribution in the Local Universe

Peter G. Boorman, Poshak Gandhi, Johannes Buchner +33

Hard X-ray-selected samples of Active Galactic Nuclei (AGN) provide one of the cleanest views of supermassive black hole accretion, but are biased against objects obscured by Compt…

astro-ph.GA2024

Ground- and Space-Based Dust Observations of VV 191 Overlapping Galaxy Pair

C. Robertson, B. Holwerda, J. Young +12

The Balmer decrement (H/H) provides a constraint on attenuation, the cumulative effects of dust grains in the ISM. The ratio is a reliable spectroscopic tool for deriving the…

astro-ph.GA2023★ 19 cited

Identification and Characterization of a Large Sample of Distant Active Dwarf Galaxies in XMM-SERVS

Fan Zou, W. N. Brandt, Qingling Ni +10

Active dwarf galaxies are important because they contribute to the evolution of dwarf galaxies and can reveal their hosted massive black holes. However, the sample size of such sou…

astro-ph.GA2023★ 13 cited

The Most Obscured AGNs in the XMM-SERVS Fields

Wei Yan, W. N. Brandt, Fan Zou +9

We perform X-ray spectral analyses to derive characteristics (e.g., column density, X-ray luminosity) of 10,200 active galactic nuclei (AGNs) in the XMM-Spitzer Extragalac…

astro-ph.GA2023★ 86 cited

Uncovering the geometry of the hot X-ray corona in the Seyfert galaxy NGC4151 with IXPE

V. E. Gianolli, D. E. Kim, S. Bianchi +106

We present an X-ray spectro-polarimetric analysis of the bright Seyfert galaxy NGC4151. The source has been observed with the Imaging X-ray Polarimetry Explorer (IXPE) for 700 ks,…

astro-ph.GA2022★ 5 cited

NuSTAR observations of a heavily X-ray obscured AGN in the dwarf galaxy J144013+024744

Shrey. Ansh, Chien-Ting J. Chen, W. N. Brandt +10

We present a multi-wavelength analysis of the dwarf Seyfert-2 galaxy J, a candidate obscured active galactic nucleus (AGN) thought to be powered by an intermediate-m…

astro-ph.GA2022★ 47 cited

Spectral Energy Distributions in Three Deep-Drilling Fields of the Vera C. Rubin Observatory Legacy Survey of Space and Time: Source Classification and Galaxy Properties

Fan Zou, W. N. Brandt, Chien-Ting Chen +9

W-CDF-S, ELAIS-S1, and XMM-LSS will be three Deep-Drilling Fields (DDFs) of the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST), but their extensive multi-waveleng…

astro-ph.GA2022★ 19 cited

A Chandra Virgo cluster survey of spiral galaxies. I. Introduction to the survey and a new ULX sample

Roberto Soria, Mari Kolehmainen, Alister W. Graham +10

We present an analysis of the ultraluminous X-ray source (ULX) population in 75 Virgo cluster late-type galaxies, including all those with a star formation rate >~ 1 M_{sun}/yr and…

astro-ph.GA2021★ 10 cited

Central X-ray point-sources found to be abundant in low-mass, late-type galaxies predicted to contain an intermediate-mass black hole

Alister W. Graham, Roberto Soria, Benjamin L. Davis +5

Building upon three late-type galaxies in the Virgo cluster with both a predicted black hole mass of less than 10 M and a centrally-located X-ray point-source,…

astro-ph.GA2021★ 14 cited

Potential Black Hole Seeding of the Spiral Galaxy NGC 4424 via an Infalling Star Cluster

Alister W. Graham, Roberto Soria, Bogdan C. Ciambur +2

Galaxies can grow through their mutual gravitational attraction and subsequent union. While orbiting a regular high-surface-brightness galaxy, the body of a low-mass galaxy can be…

astro-ph.GA2021★ 8 cited

Consistent analysis of the AGN LF in X-ray and MIR in the XMM-LSS field

Jack Runburg, Duncan Farrah, Anna Sajina +9

The luminosity function (LF) of active galactic nuclei (AGN) probes the history of supermassive black hole assembly and growth across cosmic time. To mitigate selection biases, we…

astro-ph.GA2021★ 46 cited

The XMM-SERVS survey: XMM-Newton point-source catalogs for the W-CDF-S and ELAIS-S1 fields

Q. Ni, W. N. Brandt, C. -T. Chen +30

We present the X-ray point-source catalogs in two of the XMM-Spitzer Extragalactic Representative Volume Survey (XMM-SERVS) fields, W-CDF-S (4.6 deg) and ELAIS-S1 (3.2 deg)…

astro-ph.GA2021★ 8 cited

Chandra Observations of Excess Fe K Line Emission in Galaxies with High Star Formation Rates: X-ray Reflection on Galaxy Scales?

Wei Yan, Ryan C. Hickox, Chien-Ting J. Chen +4

In active galactic nuclei (AGN), fluorescent Fe K (iron) line emission is generally interpreted as originating from obscuring material around a supermassive black hole (SMBH) on…

astro-ph.GA2020★ 21 cited

Observational Evidence for Enhanced Black Hole Accretion in Giant Elliptical Galaxies

Michael McDonald, Brian R. McNamara, Michael S. Calzadilla +5

We present a study of the relationship between black hole accretion rate (BHAR) and star formation rate (SFR) in a sample of giant elliptical galaxies. These galaxies, which live a…

astro-ph.GA2020★ 28 cited

A Large Population of Luminous Active Galactic Nuclei Lacking X-ray Detections: Evidence for Heavy Obscuration?

Christopher M. Carroll, Ryan C. Hickox, Alberto Masini +5

We present a large sample of infrared-luminous candidate active galactic nuclei (AGNs) that lack X-ray detections in Chandra, XMM-Newton, and NuSTAR fields. We selected all optical…

astro-ph.GA2020★ 14 cited

The environmental dependence of X-ray AGN activity at

E. Noordeh, R. E. A. Canning, A. King +9

We present an analysis of the X-ray Active Galactic Nucleus (AGN) population in a sample of seven massive galaxy clusters in the redshift range . We utilize high-quali…

astro-ph.GA2020★ 22 cited

X-ray properties of dust-obscured galaxies with broad optical/UV emission lines

Fan Zou, William N. Brandt, Fabio Vito +4

Dust-obscured galaxies (DOGs) with extreme infrared luminosities may represent a key phase in the co-evolution of galaxies and supermassive black holes. We select 12 DOGs at $0.3\l…

astro-ph.GA2020★ 17 cited

Piercing through Highly Obscured and Compton-thick AGNs in the Chandra Deep Fields. II. Are Highly Obscured AGNs the Missing Link in the Merger-Triggered AGN-Galaxy Coevolution Models?

Junyao Li, Yongquan Xue, Mouyuan Sun +12

By using a large highly obscured () AGN sample (294 sources at ) selected from detailed X-ray spectral analyses in the deepest Chandra…

astro-ph.GA2020★ 42 cited

Revealing the relation between black-hole growth and host-galaxy compactness among star-forming galaxies

Q. Ni, W. N. Brandt, G. Yang +8

Recent studies show that a universal relation between black-hole (BH) growth and stellar mass () or star formation rate (SFR) is an oversimplification of BH-galaxy co-e…

astro-ph.GA2019★ 28 cited

Does black-hole growth depend fundamentally on host-galaxy compactness?

Q. Ni, G. Yang, W. N. Brandt +5

Possible connections between central black-hole (BH) growth and host-galaxy compactness have been found observationally, which may provide insight into BH-galaxy coevolution: compa…

astro-ph.GA2019★ 11 cited

The Hot Gas Exhaust of Starburst Engines in Mergers: Testing Models of Stellar Feedback and Star Formation Regulation

Beverly J. Smith, Peter Wagstaff, Curtis Struck +4

Using archival data from the Chandra X-ray telescope, we have measured the spatial extent of the hot interstellar gas in a sample of 49 nearby interacting galaxy pairs, mergers, an…

astro-ph.GA2019★ 45 cited

Piercing Through Highly Obscured and Compton-thick AGNs in the Chandra Deep Fields: I. X-ray Spectral and Long-term Variability Analyses

Junyao Li, Yongquan Xue, Mouyuan Sun +13

We present a detailed X-ray spectral analysis of 1152 AGNs selected in the Chandra Deep Fields (CDFs), in order to identify highly obscured AGNs (…