School of Physics and Astronomy

Dr Sergei Vorontsov

Sergei

Senior Research Fellow

Email: s.v.vorontsov@qmul.ac.uk
Telephone: 020 7882 6957
Room Number: G. O. Jones Building, Room 203
Website: http://www.maths.qmul.ac.uk/~svv/

Research

Publications

2015

Recent Developments in Helioseismic Analysis Methods and Solar Data Assimilation
Schad A, Jouve L, Duvall TL et al.
Space Science Reviews, Volume 196, issue 1-4, page 221, 1st December 2015.
DOI: 10.1007/s11214-015-0199-y

A seismic and gravitationally bound double star observed by Kepler Implication for the presence of a convective core
Appourchaux T, Antia HM, Ball W et al.
ASTRONOMY & ASTROPHYSICS, Volume 582, 1st October 2015.
DOI: 10.1051/0004-6361/201526610

2014

Helioseismic measurements in the solar envelope using group velocities of surface waves
Vorontsov SV, Baturin VA, Ayukov SV et al.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Volume 441, issue 4, page 3296, 11th July 2014.
DOI: 10.1093/mnras/stu813

2013

On the use of the ratio of small to large separations in asteroseismic model fitting
Roxburgh IW, Vorontsov SV
ASTRONOMY & ASTROPHYSICS, Volume 560, 1st December 2013.
DOI: 10.1051/0004-6361/201321333

MODELING SOLAR OSCILLATION POWER SPECTRA. II. PARAMETRIC MODEL OF SPECTRAL LINES OBSERVED IN DOPPLER-VELOCITY MEASUREMENTS
Vorontsov SV, Jefferies SM
ASTROPHYSICAL JOURNAL, Volume 778, issue 1, 20th November 2013.
DOI: 10.1088/0004-637X/778/1/75

Helioseismic calibration of the equation of state and chemical composition in the solar convective envelope
Vorontsov SV, Baturin VA, Ayukov SV et al.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Volume 430, issue 3, page 1636, 1st April 2013.
DOI: 10.1093/mnras/sts701

Seismic Diagnostics of the Equation of State and Chemical Composition in the Solar Convective Envelope
Vorontsov SV, Baturin VA, Ayukov SV et al.
PROGRESS IN PHYSICS OF THE SUN AND STARS: A NEW ERA IN HELIO- AND ASTEROSEISMOLOGY, Volume 479, page 19, 1st January 2013.

2011

Effects of differential rotation and meridional circulation in solar oscillations of high degree l
Vorontsov SV
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Volume 418, issue 2, page 1146, 1st December 2011.
DOI: 10.1111/j.1365-2966.2011.19564.x

Deconvolution of astronomical images using SOR with adaptive relaxation.
Vorontsov SV, Strakhov VN, Jefferies SM et al.
Opt Express, Volume 19, issue 14, page 13509, 4th July 2011.
DOI: 10.1364/OE.19.013509

Coupling of solar p-modes of high degree l by joint effects of differential rotation and meridional circulation
Vorontsov SV
GONG-SOHO 24: A NEW ERA OF SEISMOLOGY OF THE SUN AND SOLAR-LIKE STARS, Volume 271, 1st January 2011.
DOI: 10.1088/1742-6596/271/1/012081

2009

Toward Eliminating Systematic Errors in Intermediate-Degree p-Mode Measurements
Vorontsov SV, Jefferies SM, Giebink C et al.
SOLAR-STELLAR DYNAMOS AS REVEALED BY HELIO AND ASTEROSEISMOLOGY: GONG 2008/SOHO 21, Volume 416, page 301, 1st January 2009.

2008

Digital image deblurring with SOR
Strakhov VN, Vorontsov SV
INVERSE PROBL, Volume 24, issue 2, 1st April 2008.
DOI: 10.1088/0266-5611/24/2/025024

2007

Acoustic wave reflection by stellar cores: can it be seen in the autocorrelation function of p-mode measurements ?
Roxburgh IW, Vorontsov SV
MON NOT R ASTRON SOC, Volume 379, issue 2, page 801, 1st August 2007.
DOI: 10.1111/j.1365-2966.2007.11979.x

Solar p modes of high degree l: coupling by differential rotation
Vorontsov SV
MON NOT R ASTRON SOC, Volume 378, issue 4, page 1499, 11th July 2007.
DOI: 10.1111/j.1365-2966.2007.11894.x

2006

The autocorrelation function of stellar p-mode measurements and its diagnostic properties
Roxburgh IW, Vorontsov SV
MON NOT R ASTRON SOC, Volume 369, issue 3, page 1491, 1st July 2006.
DOI: 10.1111/j.1365-2966.2006.10396.x

2005

Modeling solar oscillation power spectra. I. Adaptive response function for Doppler velocity measurements
Vorontsov SV, Jefferies SM
ASTROPHYS J, Volume 623, issue 2, page 1202, 20th April 2005.
DOI: 10.1086/427913

2004

A new way to model the solar oscillation l-v power spectrum
Jefferies SM, Vorontsov SV
SOLAR PHYSICS, Volume 220, issue 2, page 347, 1st April 2004.
DOI: 10.1023/B:SOLA.0000031404.13076.73

Helioseismic inversions and the equation of state
Vorontsov SV
EQUATION-OF-STATE AND PHASE-TRANSITION ISSUES IN MODELS OF ORDINARY ASTROPHYSICAL MATTER, Volume 731, page 47, 1st January 2004.

Small frequency separations as seen in the autocorrelation function of the whole-disk measurements
Kholikov SS, Roxburgh IW, Vorontsov SV
STELLAR STRUCTURE AND HABITABLE PLANET FINDING, Volume 538, page 331, 1st January 2004.

The scattering of acoustic waves by a stellar core as seen in the small frequency separations
Roxburgh IW, Vorontsov SV
STELLAR STRUCTURE AND HABITABLE PLANET FINDING, Volume 538, page 403, 1st January 2004.

2003

The ratio of small to large separations of acoustic oscillations as a diagnostic of the interior of solar-like stars
Roxburgh IW, Vorontsov SV
ASTRON ASTROPHYS, Volume 411, issue 2, page 215, 1st November 2003.
DOI: 10.1051/0004-6361:20031318

Solar torsional oscillations: Helioseismic measurements versus dynamo modelling
Vorontsov SV, Covas E, Moss D et al.
PROCEEDINGS OF SOHO 12/GONG (PLUS) 2002 ON LOCAL AND GLOBAL HELIOSEISMOLOGY: THE PRESENT AND FUTURE, Volume 517, page 35, 1st January 2003.

2002

Helioseismic measurement of solar torsional oscillations
Vorontsov SV, Christensen-Dalsgaard J, Schou J et al.
SCIENCE, Volume 296, issue 5565, page 101, 5th April 2002.
DOI: 10.1126/science.1069190

Helioseismic structural inversion with SOHO MDI data
Vorontsov SV
PROCEEDINGS OF THE SOHO 11 SYMPOSIUM ON FROM SOLAR MIN TO MAX: HALF A SOLAR CYCLE WITH SOHO, Volume 508, page 107, 1st January 2002.

Inversion for a 0.8 M-circle dot star using differential-response technique
Roxburgh IW, Vorontsov SV
STELLAR STRUCTURE AND HABITABLE PLANET FINDING, PROCEEDINGS, Volume 485, page 337, 1st January 2002.

Inversion for the structure of a star of 1.45 M-circle dot using the internal phase shift
Roxburgh IW, Vorontsov SV
STELLAR STRUCTURE AND HABITABLE PLANET FINDING, PROCEEDINGS, Volume 485, page 341, 1st January 2002.

Probing the solar core with low-degree p modes
Roxburgh IW, Vorontsov SV
STELLAR STRUCTURE AND HABITABLE PLANET FINDING, PROCEEDINGS, Volume 485, page 349, 1st January 2002.

Semiclassical analysis of stellar p modes
Roxburgh IW, Vorontsov SV
STELLAR STRUCTURE AND HABITABLE PLANET FINDING, PROCEEDINGS, Volume 485, page 345, 1st January 2002.

Solar internal rotation as seen from SOHO MDI data
Vorontsov SV, Christensen-Dalsgaard J, Schou J et al.
PROCEEDINGS OF THE SOHO 11 SYMPOSIUM ON FROM SOLAR MIN TO MAX: HALF A SOLAR CYCLE WITH SOHO, Volume 508, page 111, 1st January 2002.

2001

Semiclassical approximation for low-degree stellar p modes - III. Acoustic resonances and diagnostic properties of the oscillation frequencies
Roxburgh IW, Vorontsov SV
MON NOT R ASTRON SOC, Volume 322, issue 1, page 85, 1st March 2001.
DOI: 10.1046/j.1365-8711.2001.04053.x

Adaptive regularization technique in linear inverse problem
Strakhov VN, Vorontsov SV
PROCEEDINGS OF THE SOHO 10/GONG 2000 WORKSHOP ON HELIO- AND ASTEROSEISMOLOGY AT THE DAWN OF THE MILLENNIUM, Volume 464, page 539, 1st January 2001.

Inversion for the solar hydrostatic structure
Vorontsov SV
PROCEEDINGS OF THE SOHO 10/GONG 2000 WORKSHOP ON HELIO- AND ASTEROSEISMOLOGY AT THE DAWN OF THE MILLENNIUM, Volume 464, page 563, 1st January 2001.

Inversion for the solar internal rotation with an adaptive regularization technique
Vorontsov SV, Christensen-Dalsgaard J, Schou J et al.
PROCEEDINGS OF THE SOHO 10/GONG 2000 WORKSHOP ON HELIO- AND ASTEROSEISMOLOGY AT THE DAWN OF THE MILLENNIUM, Volume 464, page 559, 1st January 2001.

Non linear inversion for the sound speed in the solar interior using bison and SOI/MDI p-mode frequencies
Marchenkov KI, Roxburgh IW, Vorontsov SV et al.
PROCEEDINGS OF THE SOHO 10/GONG 2000 WORKSHOP ON HELIO- AND ASTEROSEISMOLOGY AT THE DAWN OF THE MILLENNIUM, Volume 464, page 531, 1st January 2001.

Seismic calibration of the solar envelope model
Baturin VA, Vorontsov SV
PROCEEDINGS OF THE SOHO 10/GONG 2000 WORKSHOP ON HELIO- AND ASTEROSEISMOLOGY AT THE DAWN OF THE MILLENNIUM, Volume 464, page 615, 1st January 2001.