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20052025
most citedHomogeneous studies of transiting extrasolar planets. IV. Thirty systems with space-based light curves

564 citations · 11.1k across the 244 of their papers we have counts for

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astro-ph2008★ 42 cited

Chemical evolution of high-mass stars in close binaries. I. The eclipsing binary V453 Cygni

K. Pavlovski, J. Southworth

The eclipsing and double-lined spectroscopic binary system V453 Cygni consists of two early B-type stars, one of which is nearing the terminal age main sequence and one which is ro…

astro-ph2008★ 143 cited

Homogeneous studies of transiting extrasolar planets. II. Physical properties

John Southworth

I present an homogeneous determination of the physical properties of 14 transiting extrasolar planetary systems for which good data are available. The input quantities for each sys…

astro-ph2008★ 1 cited

The fainter the better: cataclysmic variable stars from the SDSS

John Southworth, B T Gaensicke, T R Marsh

The Sloan Digital Sky Survey has identified a total of 212 cataclysmic variables, most of which are fainter than 18th magnitude. This is the deepest and most populous homogeneous s…

astro-ph2008★ 22 cited

Orbital periods of cataclysmic variables identified by the SDSS. V. VLT, NTT and Magellan observations of nine equatorial systems

John Southworth, B T Gaensicke, T R Marsh +6

We present VLT and Magellan spectroscopy and NTT photometry of nine faint cataclysmic variables (CVs) which were spectroscopically identified by the SDSS. We measure orbital period…

astro-ph2008★ 60 cited

Absolute dimensions of eclipsing binaries. XXVI. Setting a new standard: Masses, radii, and abundances for the F-type systems AD Bootis, VZ Hydrae, and WZ Ophiuchi

J. V. Clausen, G. Torres, H. Bruntt +5

We determine absolute dimensions and abundances for the three F-type main-sequence detached eclipsing binaries AD Boo, VZ Hya, and WZ Oph and perform a detailed comparison with res…

astro-ph2008★ 144 cited

On the evolutionary status of short period cataclysmic variables

S. P. Littlefair, V. S. Dhillon, T. R. Marsh +5

(Abridged) We present high-speed, three-colour photometry of seven short period (Porb <= 95 mins) eclipsing CVs from the Sloan Digital Sky Survey. We determine the system parameter…

astro-ph2008★ 15 cited

Orbital periods of cataclysmic variables identified by the SDSS. IV. SDSS J220553.98+115553.7 has stopped pulsating

John Southworth, D W Townsley, B T Gaensicke

We present time-series VLT spectroscopy and NTT photometry of the cataclysmic variable SDSS J220553.98+115553.7, which contains a pulsating white dwarf. We determine a spectroscopi…

astro-ph2008★ 371 cited

Homogeneous studies of transiting extrasolar planets. I. Light curve analyses

John Southworth

I present an homogeneous analysis of the transit light curves of 14 well-observed transiting extrasolar planets. The light curves are modelled using JKTEBOP, random errors are meas…

astro-ph2007★ 10 cited

A new level of photometric precision: WIRE observations of eclipsing binary stars

Hans Bruntt, John Southworth

The WIRE satellite was launched in March 1999 and was the first space mission to do asteroseismology from space on a large number of stars. WIRE has produced very high-precision ph…

astro-ph2007★ 2 cited

Metal-rich debris discs around white dwarfs

B. T. Gaensicke, T. R. Marsh, J. Southworth +1

We have identified two moderately hot (~18000-22000K) white dwarfs, SDSSJ1228+1040 and SDSSJ1043+0855, which exhibit double-peaked emission lines in the CaII 8600A triplet. These l…

astro-ph2007★ 34 cited

Orbital periods of cataclysmic variables identified by the SDSS. II. Measurements for six objects, including two eclipsing systems

John Southworth, T. R. Marsh, B. T. Gaensicke +4

Continuing our work from Paper I (Southworth et al., 2006) we present medium-resolution spectroscopy and broad-band photometry of seven cataclysmic variables (CVs) discovered by th…

astro-ph2007

The ultra-compact binary candidate KUV 23182+1007 is a bright quasar

John Southworth, A. Schwope, B. T. Gaensicke +1

KUV 23182+1007 was identified as a blue object in the Kiso UV Survey in the 1980s. Classification-dispersion spectroscopy showed a featureless continuum except for a strong emissio…

astro-ph2007★ 132 cited

A method for the direct determination of the surface gravities of transiting extrasolar planets

John Southworth, Peter J. Wheatley, Giles Sams

We show that the surface gravity of a transiting extrasolar planet can be calculated from only the spectroscopic orbit of its parent star and the analysis of its transit light curv…

astro-ph2007★ 31 cited

SDSS J233325.92+152222.1 and the evolution of intermediate polars

John Southworth, B. T. Gaensicke, T. R. Marsh +2

Intermediate polars (IPs) are cataclysmic variables which contain magnetic white dwarfs with a rotational period shorter than the binary orbital period. Evolutionary theory predict…

astro-ph2007★ 121 cited

Eclipsing binaries observed with the WIRE satellite. II. beta Aurigae and non-linear limb darkening in light curves

John Southworth, Hans Bruntt, Derek L. Buzasi

We present the most precise light curve ever obtained of a detached eclipsing binary star and use it investigate the inclusion of non-linear limb darkening laws in eclipsing binary…

astro-ph2006★ 90 cited

A brown dwarf mass donor in an accreting binary

S. P. Littlefair, V. S. Dhillon, T. R. Marsh +3

A long standing and unverified prediction of binary star evolution theory is the existence of a population of white dwarfs accreting from sub-stellar donor stars. Such systems ough…

astro-ph2006★ 10 cited

Eclipsing Binaries in Open Clusters

John Southworth

Detached eclipsing binaries are very useful objects for calibrating theoretical stellar models and checking their predictions. Detached eclipsing binaries in open clusters are part…

astro-ph2006

Testing convection in stellar models using detached eclipsing binaries

John Southworth, Hans Bruntt

The fundamental properties of detached eclipsing binary stars can be measured very accurately, which could make them important objects for constraining the treatment of convection…

astro-ph2006★ 8 cited

Eclipsing Binary Stars from Space

H. Bruntt, J. Southworth

We have begun a programme to obtain high-precision photometry of bright detached eclipsing binary (dEB) stars with the Wide field InfraRed Explorer (WIRE) satellite. Due to the sma…

astro-ph2006★ 64 cited

Absolute dimensions of eclipsing binaries. XXIV. The Be star system DW Carinae, a member of the open cluster Collinder 228

John Southworth, J. V. Clausen

DW Carinae is a close but detached early B-type eclipsing binary in the young open cluster Cr 228. We have measured accurate physical properties of its components (masses and radii…

astro-ph2006★ 59 cited

VLT/FORS spectroscopy of faint cataclysmic variables discovered by the Sloan Digital Sky Survey

John Southworth, B. T. Gaensicke, T. R. Marsh +5

We present medium-resolution VLT/FORS2 spectroscopy of six cataclysmic variables discovered by the Sloan Digital Sky Survey. We determine orbital periods for SDSS J023322.61+005059…

astro-ph2006

Eclipsing Binary Stars in Open Clusters

John Southworth, J V Clausen

The study of detached eclipsing binaries in open clusters can provide stringent tests of theoretical stellar evolutionary models, which must simultaneously fit the masses, radii, a…

astro-ph2006★ 29 cited

Eclipsing binaries observed with the WIRE satellite I. Discovery and photometric analysis of the new bright A0IV eclipsing binary Psi Centauri

H. Bruntt, J. Southworth, G. Torres +3

Determinations of stellar mass and radius with realistic uncertainties at the level of 1% provide important constraints on models of stellar structure and evolution. We present a h…

astro-ph2005★ 142 cited

Absolute dimensions of detached eclipsing binaries. I. The metallic-lined system WW Aurigae

John Southworth, B Smalley, P F L Maxted +2

WW Aurigae is a detached eclipsing binary composed of two metallic-lined A-type stars orbiting each other every 2.5 days. We have determined the masses and radii of both components…