Search Results - "Strader, Jay"
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Intermediate-Mass Black Holes
Published in Annual review of astronomy and astrophysics (18-08-2020)“…We describe ongoing searches for intermediate-mass black holes with M BH ≈ 10-10 5 M . We review a range of search mechanisms, both dynamical and those that…”
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Extragalactic Globular Clusters and Galaxy Formation
Published in Annual review of astronomy and astrophysics (01-01-2006)“…Globular cluster (GC) systems have now been studied in galaxies ranging from dwarfs to giants and spanning the full Hubble sequence of morphological types…”
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3
Improved Dynamical Constraints on the Masses of the Central Black Holes in Nearby Low-mass Early-type Galactic Nuclei and the First Black Hole Determination for NGC 205
Published in The Astrophysical journal (10-02-2019)“…We improve the dynamical black hole (BH) mass estimates in three nearby low-mass early-type galaxies: NGC 205, NGC 5102, and NGC 5206. We use new Hubble Space…”
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4
Three Hypervelocity White Dwarfs in Gaia DR2: Evidence for Dynamically Driven Double-degenerate Double-detonation Type Ia Supernovae
Published in The Astrophysical journal (20-09-2018)“…Double detonations in double white dwarf (WD) binaries undergoing unstable mass transfer have emerged in recent years as one of the most promising Type Ia…”
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5
Optical Spectroscopy and Demographics of Redback Millisecond Pulsar Binaries
Published in The Astrophysical journal (10-02-2019)“…We present the first optical spectroscopy of five confirmed (or strong candidate) redback millisecond pulsar binaries, obtaining complete radial velocity…”
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The Ultracompact Nature of the Black Hole Candidate X-Ray Binary 47 Tuc X9
Published in Monthly notices of the Royal Astronomical Society (11-05-2017)“…47 Tuc X9 is a low-mass X-ray binary (LMXB) in the globular cluster 47 Tucanae, and was previously thought to be a cataclysmic variable. However, Miller-Jones…”
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Two stellar-mass black holes in the globular cluster M22
Published in Nature (London) (04-10-2012)“…Two flat-spectrum radio sources in the Milky Way globular cluster M22 are thought to be accreting stellar-mass black holes; the identification of two black…”
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Detection of Supermassive Black Holes in Two Virgo Ultracompact Dwarf Galaxies
Published in The Astrophysical journal (20-04-2017)“…We present the detection of supermassive black holes (BHs) in two Virgo ultracompact dwarf galaxies (UCDs), VUCD3 and M59cO. We use adaptive optics assisted…”
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Hubble Space Telescope Observations of NGC 253 Dwarf Satellites: Three Ultra-faint Dwarf Galaxies
Published in The Astrophysical journal (01-02-2022)“…Abstract We present deep Hubble Space Telescope (HST) imaging of five faint dwarf galaxies associated with the nearby spiral NGC 253 (D ≈ 3.5 Mpc). Three of…”
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TIDAL SIGNATURES IN THE FAINTEST MILKY WAY SATELLITES: THE DETAILED PROPERTIES OF LEO V, PISCES II, AND CANES VENATICI II
Published in The Astrophysical journal (01-09-2012)“…We present deep wide-field photometry of three recently discovered faint Milky Way (MW) satellites: Leo V, Pisces II, and Canes Venatici II. Our main goals are…”
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The AIMSS Project – I. Bridging the star cluster–galaxy divide
Published in Monthly notices of the Royal Astronomical Society (11-09-2014)“…We describe the structural and kinematic properties of the first compact stellar systems discovered by the Archive of Intermediate Mass Stellar Systems…”
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12
The Black Hole in the Most Massive Ultracompact Dwarf Galaxy M59-UCD3
Published in The Astrophysical journal (10-05-2018)“…We examine the internal properties of the most massive ultracompact dwarf galaxy (UCD), M59-UCD3, by combining adaptive-optics-assisted near-IR integral field…”
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13
A Luminous Red Supergiant and Dusty Long-period Variable Progenitor for SN 2023ixf
Published in Astrophysical journal. Letters (01-08-2023)“…Abstract We analyze pre-explosion near- and mid-infrared (IR) imaging of the site of SN 2023ixf in the nearby spiral galaxy M101 and characterize the candidate…”
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Hubble Space Telescope Observations of Two Faint Dwarf Satellites of Nearby LMC Analogs from MADCASH
Published in The Astrophysical journal (01-03-2021)“…Abstract We present a deep Hubble Space Telescope (HST) imaging study of two dwarf galaxies in the halos of Local Volume Large Magellanic Cloud (LMC) analogs…”
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The SLUGGS survey: exploring the metallicity gradients of nearby early-type galaxies to large radii
Published in Monthly notices of the Royal Astronomical Society (01-08-2014)“…Stellar metallicity gradients in the outer regions of galaxies are a critical tool for disentangling the contributions of in situ and ex situ formed stars. In…”
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A Multiwavelength View of the Neutron Star Binary 1FGL J1417.7-4402: A Progenitor to Canonical Millisecond Pulsars
Published in The Astrophysical journal (20-10-2018)“…The Fermi γ-ray source 1FGL J1417.7-4407 (J1417) is a compact X-ray binary with a neutron star primary and a red giant companion in a ∼5.4 days orbit. This…”
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THE SLUGGS SURVEY: WIDE-FIELD STELLAR KINEMATICS OF EARLY-TYPE GALAXIES
Published in The Astrophysical journal (20-08-2014)“…We present stellar kinematics of 22 nearby early-type galaxies (ETGs), based on two-dimensional (2D) absorption line stellar spectroscopy out to ~2-4R sub(e)…”
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Constraints on the z ∼ 5 Star-forming Galaxy Luminosity Function From Hubble Space Telescope Imaging of an Unbiased and Complete Sample of Long Gamma-Ray Burst Host Galaxies
Published in The Astrophysical journal (01-05-2024)“…Abstract We present rest-frame UV Hubble Space Telescope imaging of the largest and most complete sample of 23 long-duration gamma-ray burst (GRB) host…”
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Upper Limits on the Presence of Central Massive Black Holes in Two Ultra-compact Dwarf Galaxies in Centaurus A
Published in The Astrophysical journal (01-05-2018)“…The recent discovery of massive black holes (BHs) in the centers of high-mass ultra-compact dwarf galaxies (UCDs) suggests that at least some are the stripped…”
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Ultraluminous X-ray bursts in two ultracompact companions to nearby elliptical galaxies
Published in Nature (London) (20-10-2016)“…A search of archival X-ray data for 70 nearby galaxies yielded two flaring sources in globular clusters or ultracompact dwarf companions of parent elliptical…”
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