H. J. Witt

Daimler (Germany) — Germany

Physics and Astronomy · Physical Sciences

17h-index1.3kcitations44works0.02yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(14), Adaptive optics and wavefront sensing(14), Astronomy and Astrophysical Research(14), Stellar, planetary, and galactic studies(9), Geophysics and Gravity Measurements(9)

Publications44 total

Fast Computational Convolution Methods for Extended Source Effects in Microlensing Light Curves
The Astrophysical Journal·2019· 4 citedOpen Access
Combining time delays and image positions for quadruple lenses: a moment approach
Monthly Notices of the Royal Astronomical Society·2015· 1 citedOpen Access
Combining time delays and image positions for quadruple lenses: a moment approach
arXiv (Cornell University)·2015Open Access
Three-dimensional microlensing
Monthly Notices of the Royal Astronomical Society·2013· 21 citedOpen Access
Microlensing predictions for the Einstein cross 2237+0305
Lecture notes in physics·2008· 4 cited
Statistical investigations of the amplification near gravitational lens caustics
Lecture notes in physics·2006· 3 cited
Are there sextuplet and octuplet image systems?
Monthly Notices of the Royal Astronomical Society·2001· 34 citedOpen Access
Analytic Time Delays and<i>H</i><sub>0</sub>Estimates for Gravitational Lenses
The Astrophysical Journal·2000· 85 citedOpen Access
On the magnification relations in quadruple lenses: a moment approach
Monthly Notices of the Royal Astronomical Society·2000· 34 citedOpen Access
Properties of Point Mass Lenses on a Regular Polygon and the Problem of Maximum Number of Images
CERN Bulletin·1999· 12 cited
Extended source effects in astrometric gravitational microlensing
Monthly Notices of the Royal Astronomical Society·1998· 15 citedOpen Access
Extended source effects in astrometric gravitational microlensing
Monthly Notices of the Royal Astronomical Society·1998· 11 citedOpen Access
Probing the structure of lensing galaxies with quadruple lenses: the effect of 'external' shear
Monthly Notices of the Royal Astronomical Society·1997· 60 citedOpen Access
Properties of Point Mass Lenses On A Regular Polygon and The Problem of Maximum Number of Images
arXiv (Cornell University)·1997· 10 citedOpen Access
Accretion discs with accreting coronae in active galactic nuclei - II. The nuclear wind
Monthly Notices of the Royal Astronomical Society·1997· 61 citedOpen Access
Luminosity to the Eddington Luminosity Ratio in AGN from Accreting Corona Models
CERN Bulletin·1997
Using Quadruple Lenses to Probe the Structure of the Lensing Galaxy
The Astrophysical Journal·1996· 35 citedOpen Access
Luminosity to the Eddington luminosity ratio in AGN
arXiv (Cornell University)·1996Open Access
Bounds on number of cusps due to point mass gravitational lenses
Journal of Mathematical Physics·1996· 10 cited
Accretion disks with accreting coronae in AGN. Luminosity states and the nuclear wind.
Roentgenstrahlung from the Universe·1996
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Frequent Co-authors

Shude Mao(18), B. Czerny(5), P. T. Życki(5), A. O. Petters(4), J. Wambsganß(2), R. Kayser(2), Paul L. Schechter(1), Charles Keeton(1), N. W. Evans(1), L. V. E. Koopmans(1), J. An(1), N. Hyltén-Cavallius(1), S.A. Annestrand(1), V. Madzarevic(1), M. Jaroszyński(1), P. Haensel(1), B. Paczyński(1), Petra Schneider(1), Tomislav Kundik(1), Kyongae Chang(1)