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19952026
most citedThe Demography of Massive Dark Objects in Galaxy Centres

4k citations

Showing 2017Show all

33 papers · 1 filter

astro-ph.GA2017★ 74 cited

Evidence for Merger-Driven Growth in Luminous, High-z, Obscured AGN in the CANDELS/COSMOS Field

J. L. Donley, J. Kartaltepe, D. Kocevski +27

While major mergers have long been proposed as a driver of both AGN activity and the M-sigma relation, studies of moderate to high redshift Seyfert-luminosity AGN hosts have found…

astro-ph.GA2017★ 18 cited

The SLUGGS Survey: The Inner Dark Matter Density Slope of the Massive Elliptical Galaxy NGC 1407

Asher Wasserman, Aaron J. Romanowsky, Jean Brodie +7

We investigate the dark matter density profile of the massive elliptical galaxy, NGC 1407, by constructing spherically symmetric Jeans models of its field star and globular cluster…

astro-ph.GA2017★ 67 cited

The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey. The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass

C. Pulsoni, O. Gerhard, M. Arnaboldi +14

In the hierarchical two-phase formation scenario, the extended halos of early type galaxies (ETGs) are expected to have different physical properties from those of the galaxies' ce…

astro-ph.GA2017★ 34 cited

On the CGM Fundamental Plane: The Halo Mass Dependency of Circumgalactic HI

Rongmon Bordoloi, J. Xavier Prochaska, Jason Tumlinson +3

We analyze the equivalent widths of HI Ly- () absorption from the inner (R < 160 kpc) circumgalactic medium (CGM) of 85 galaxies at with stellar masses …

astro-ph.GA2017★ 81 cited

ALMA observations of molecular clouds in three group centered elliptical galaxies: NGC 5846, NGC 4636, and NGC 5044

Pasquale Temi, Alexandre Amblard, Myriam Gitti +4

We present new ALMA CO(2--1) observations of two well studied group-centered elliptical galaxies: NGC~4636 and NGC~5846. In addition, we include a revised analysis of Cycle 0 ALMA…

astro-ph.GA2017★ 75 cited

Cold Filamentary Accretion and the Formation of Metal Poor Globular Clusters and Halo Stars

Nir Mandelker, Pieter G. van Dokkum, Jean P. Brodie +2

We propose that cold filamentary accretion in massive galaxies at high redshift can lead to the formation of star-forming clumps in the halos of these galaxies without the presence…

astro-ph.GA2017★ 54 cited

The Stellar Populations of Two Ultra-Diffuse Galaxies from Optical and Near-infrared Photometry

Viraj Pandya, Aaron J. Romanowsky, Seppo Laine +11

We present observational constraints on the stellar populations of two ultra-diffuse galaxies (UDGs) using optical through near-infrared (NIR) spectral energy distribution (SED) fi…

astro-ph.IM2017★ 10 cited

ProtoDESI: First On-Sky Technology Demonstration for the Dark Energy Spectroscopic Instrument

Parker Fagrelius, Behzad Abareshi, Lori Allen +33

The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the universe using the baryon acoustic oscillations technique. The spectra…

astro-ph.GA2017★ 63 cited

SDSS-IV MaNGA: The Spatial Distribution of Star Formation and its Dependence on Mass, Structure and Environment

Ashley Spindler, David Wake, Francesco Belfiore +9

We study the spatially resolved star formation of 1494 galaxies in the SDSSIV-MaNGA Survey. SFRs are calculated using a two-step process, using in star forming regions and $D…

astro-ph.GA2017★ 180 cited

SDSS IV MaNGA - sSFR profiles and the slow quenching of discs in green valley galaxies

Francesco Belfiore, Roberto Maiolino, Kevin Bundy +11

We study radial profiles in H equivalent width and specific star formation rate (sSFR) derived from spatially-resolved SDSS-IV MaNGA spectroscopy to gain insight on the physical…

astro-ph.CO2017★ 117 cited

First Data Release of the COSMOS Lyman-Alpha Mapping And Tomography Observations: 3D Lyman- Forest Tomography at 2.05 < z < 2.55

Khee-Gan Lee, Alex Krolewski, Martin White +21

Faint star-forming galaxies at can be used as alternative background sources to probe the Lyman- forest in addition to quasars, yielding high sightline densities tha…

astro-ph.HE2017★ 19 cited

Constraints on Cosmic-ray Acceleration Efficiency in Balmer Shocks of Two Young Type Ia Supernova Remnants in the Large Magellanic Cloud

Luke Hovey, John P. Hughes, Curtis McCully +2

We present results from an optical study of two young Balmer-dominated remnants of SNIa in the Large Magellanic Cloud, 050967.5 and 051969.0, in an attempt to search for sign…

astro-ph.HE2017★ 81 cited

Gaia17biu/SN 2017egm in NGC 3191: The closest hydrogen-poor superluminous supernova to date is in a "normal", massive, metal-rich spiral galaxy

Subhash Bose, Subo Dong, A. Pastorello +55

Hydrogen-poor superluminous supernovae (SLSNe-I) have been predominantly found in low-metallicity, star-forming dwarf galaxies. Here we identify Gaia17biu/SN 2017egm as an SLSN-I o…

astro-ph.GA2017★ 114 cited

Individual Stellar Halos of Massive Galaxies Measured to 100 kpc at using Hyper Suprime-Cam

Song Huang, Alexie Leauthaud, Jenny Greene +5

Massive galaxies display extended light profiles that can reach several hundreds of kilo parsecs. These stellar halos provide a fossil record of galaxy assembly histories. Using da…

astro-ph.GA2017★ 681 cited

The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment

Bela Abolfathi, D. S. Aguado, Gabriela Aguilar +344

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourtee…

astro-ph.GA2017★ 67 cited

The intrinsic characteristics of galaxies on the SFR-stellar mass plane at 1.2<z<4: I. the correlation between stellar age, central density and position relative to the main sequence

Bomee Lee, Mauro Giavalisco, Katherine Whitaker +12

We use the deep CANDELS observations in the GOODS North and South fields to revisit the correlations between stellar mass (), star--formation rate (SFR) and morphology, and to…

astro-ph.GA2017★ 25 cited

Molecular Gas during the Post-Starburst Phase: Low Gas Fractions in Green Valley Seyfert Post-Starburst Galaxies

Hassen M. Yesuf, K. Decker French, S. M. Faber +1

Post-starbursts (PSBs) are candidate for rapidly transitioning from star-bursting to quiescent galaxies. We study the molecular gas evolution of PSBs at z ~ 0.03 - 0.2. We undertoo…

astro-ph.CO2017★ 53 cited

Measurement of the small-scale structure of the intergalactic medium using close quasar pairs

Alberto Rorai, Joseph F. Hennawi, Jose Oñorbe +6

The distribution of diffuse gas in the intergalactic medium (IGM) imprints a series of hydrogen absorption lines on the spectra of distant background quasars known as the Lyman-…

astro-ph.GA2017★ 12 cited

No evidence for feedback: Unexceptional Low-ionization winds in Host galaxies of Low Luminosity Active Galactic Nuclei at Redshift z ~1

Hassen M. Yesuf, David C. Koo, S. M. Faber +6

We study winds in 12 X-ray AGN host galaxies at z ~ 1. We find, using the low-ionization Fe II 2586 absorption in the stacked spectra, that the probability distribution function (P…

astro-ph.GA2017★ 308 cited

SDSS IV MaNGA - Metallicity and nitrogen abundance gradients in local galaxies

Francesco Belfiore, Roberto Maiolino, Christy Tremonti +9

We study the gas phase metallicity (O/H) and nitrogen abundance gradients traced by star forming regions in a representative sample of 550 nearby galaxies in the stellar mass range…

astro-ph.GA2017★ 96 cited

Detection of Supermassive Black Holes in Two Virgo Ultracompact Dwarf Galaxies

Christopher P. Ahn, Anil C. Seth, Mark den Brok +13

We present the detection of supermassive black holes (BHs) in two Virgo ultracompact dwarf galaxies (UCDs), VUCD3 and M59cO. We use adaptive optics assisted data from the Gemini/NI…

astro-ph.GA2017★ 68 cited

[CII] 158 micron Emission from the Host Galaxies of Damped Lyman Alpha Systems

Marcel Neeleman, Nissim Kanekar, J. Xavier Prochaska +3

Gas surrounding high redshift galaxies has been studied through observations of absorption line systems toward background quasars for decades. However, it has proven difficult to i…

astro-ph.GA2017★ 44 cited

The WAGGS project - I. The WiFeS Atlas of Galactic Globular cluster Spectra

Christopher Usher, Nicola Pastorello, Sabine Bellstedt +9

We present the WiFeS Atlas of Galactic Globular cluster Spectra, a library of integrated spectra of Milky Way and Local Group globular clusters. We used the WiFeS integral field sp…

astro-ph.GA2017★ 197 cited

CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS Extended Groth Strip

Mauro Stefanon, Haojing Yan, Bahram Mobasher +39

We present a 0.4-8m multi-wavelength photometric catalog in the Extended Groth Strip (EGS) field. This catalog is built on the Hubble Space Telescope (HST) WFC3 and ACS data fro…