Search Results - "Bate, N. F."
-
1
Major substructure in the M31 outer halo: distances and metallicities along the giant stellar stream
Published in Monthly notices of the Royal Astronomical Society (21-05-2016)“…We present a renewed look at M31's giant stellar stream along with the nearby structures streams C and D, exploiting a new algorithm capable of fitting to the…”
Get full text
Journal Article -
2
Sailing under the Magellanic Clouds: a DECam view of the Carina dwarf
Published in Monthly notices of the Royal Astronomical Society (11-11-2014)“…We present deep optical photometry from the DECam imager on the 4 m Blanco telescope of over 12 deg2 around the Carina dwarf spheroidal, with complete coverage…”
Get full text
Journal Article -
3
The accretion disc in the quasar SDSS J0924+0219
Published in Monthly notices of the Royal Astronomical Society (01-09-2009)“…We present single-epoch multiwavelength optical–near-infrared observations of the ‘anomalous’ lensed quasar SDSS J0924+0219, made using the Magellan 6.5-m…”
Get full text
Journal Article -
4
A microlensing study of the accretion disc in the quasar MG 0414+0534
Published in Monthly notices of the Royal Astronomical Society (21-12-2008)“…Observations of gravitational microlensing in multiply imaged quasars currently provide the only direct probe of quasar emission region structure on…”
Get full text
Journal Article -
5
Differential microlensing measurements of quasar broad-line kinematics in Q2237+0305
Published in Monthly notices of the Royal Astronomical Society (01-08-2011)“…The detailed workings of the central engines of powerful quasars remain a mystery. This is primarily due to the fact that, at their cosmological distances, the…”
Get full text
Journal Article -
6
Gravitational microlensing of a reverberating quasar broad-line region - I. Method and qualitative results
Published in Monthly notices of the Royal Astronomical Society (01-12-2011)“…The kinematics and morphology of the broad emission-line region (BELR) of quasars are the subject of significant debate. The two leading methods for…”
Get full text
Journal Article -
7
Probing planetary mass dark matter in galaxies: gravitational nanolensing of multiply imaged quasars
Published in Monthly notices of the Royal Astronomical Society (01-03-2012)“…Gravitational microlensing of planetary-mass objects (or 'nanolensing', as it has been termed) can be used to probe the distribution of mass in a galaxy that…”
Get full text
Journal Article -
8
A Microlensing Measurement of Dark Matter Fractions in Three Lensing Galaxies
Published in The Astrophysical journal (10-04-2011)“…Direct measurements of dark matter distributions in galaxies are currently only possible through the use of gravitational lensing observations. Combinations of…”
Get full text
Journal Article -
9
Smooth matter and source size in microlensing simulations of gravitationally lensed quasars
Published in Monthly notices of the Royal Astronomical Society (11-11-2007)“…Several gravitationally lensed quasars are observed with anomalous magnifications in pairs of images that straddle a critical curve. Simple theoretical…”
Get full text
Journal Article -
10
The outer halo globular cluster system of M31 – III. Relationship to the stellar halo
Published in Monthly notices of the Royal Astronomical Society (01-04-2019)Get full text
Journal Article -
11
HST imaging of four gravitationally lensed quasars
Published in Monthly notices of the Royal Astronomical Society (01-10-2018)Get full text
Journal Article -
12
Solo dwarfs I: survey introduction and first results for the Sagittarius dwarf irregular galaxy
Published in Monthly notices of the Royal Astronomical Society (11-05-2016)“…We introduce the Solitary Local dwarfs survey (Solo), a wide-field photometric study targeting every isolated dwarf galaxy within 3 Mpc of the Milky Way. Solo…”
Get full text
Journal Article -
13
The shell game: a panoramic view of Fornax
Published in Monthly notices of the Royal Astronomical Society (11-10-2015)“…We present a panoramic study of the Fornax dwarf spheroidal galaxy, using data obtained as part of the VLT Survey Telescope (VST) ATLAS Survey. The data…”
Get full text
Journal Article -
14
The intrinsic far-UV spectrum of the high-redshift quasar B1422+231
Published in Monthly notices of the Royal Astronomical Society (01-02-2018)“…AbstractWe present new spectroscopy of the z = 3.62 gravitationally lensed quasar B1422+117 from the Gemini North GMOS integral field spectrograph. We observe…”
Get full text
Journal Article -
15
A GRAPHICS PROCESSING UNIT-ENABLED, HIGH-RESOLUTION COSMOLOGICAL MICROLENSING PARAMETER SURVEY
Published in The Astrophysical journal (10-01-2012)“…In the era of synoptic surveys, the number of known gravitationally lensed quasars is set to increase by over an order of magnitude. These new discoveries will…”
Get full text
Journal Article -
16
Major substructure in the M31 outer halo: the South-West Cloud
Published in Monthly notices of the Royal Astronomical Society (01-02-2014)“…We undertake the first detailed analysis of the stellar population and spatial properties of a diffuse substructure in the outer halo of M31. The South-West…”
Get full text
Journal Article -
17
Major substructure in the M31 Outer Halo: the East Cloud
Published in Monthly notices of the Royal Astronomical Society (11-02-2016)“…We present the first detailed analysis of the East Cloud, a highly disrupted diffuse stellar substructure in the outer halo of M31. The core of the…”
Get full text
Journal Article -
18
Accretion in action: phase space coherence of stellar debris and globular clusters in Andromeda's South-West Cloud
Published in Monthly notices of the Royal Astronomical Society. Letters (21-11-2014)“…A central tenet of the current cosmological paradigm is that galaxies grow over time through the accretion of smaller systems. Here, we present new kinematic…”
Get full text
Journal Article -
19
Computational advances in gravitational microlensing: A comparison of CPU, GPU, and parallel, large data codes
Published in New astronomy (01-11-2010)“…To assess how future progress in gravitational microlensing computation at high optical depth will rely on both hardware and software solutions, we compare a…”
Get full text
Journal Article -
20
Tracing the stellar component of low surface brightness Milky Way Dwarf Galaxies to their outskirts I: Sextans
Published 13-09-2017“…A&A 609, A53 (2018) We present results from deep and very spatially extended CTIO/DECam $g$ and $r$ photometry (reaching out to $\sim$ 2 mag below the oldest…”
Get full text
Journal Article