I
Ignaz Wanders
Researcher at Ohio State University
Publications - 31
Citations - 2918
Ignaz Wanders is an academic researcher from Ohio State University. The author has contributed to research in topics: Active galactic nucleus & Galaxy. The author has an hindex of 20, co-authored 31 publications receiving 2701 citations. Previous affiliations of Ignaz Wanders include Katholieke Universiteit Leuven & University of St Andrews.
Papers
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Journal ArticleDOI
On Uncertainties in Cross‐Correlation Lags and the Reality of Wavelength‐dependent Continuum Lags in Active Galactic Nuclei
Bradley M. Peterson,Ignaz Wanders,Keith Horne,Stefan Collier,Tal Alexander,Shai Kaspi,Dan Maoz +6 more
TL;DR: In this paper, a model-independent method of assessing the uncertainties in cross-correlation lags determined from the light curves of active galactic nuclei (AGNs) was proposed.
Journal ArticleDOI
Optical Continuum and Emission-Line Variability of Seyfert 1 Galaxies
Bradley M. Peterson,Ignaz Wanders,Ignaz Wanders,R. Bertram,R. Bertram,James F. Hunley,Richard W. Pogge,R. Mark Wagner,R. Mark Wagner +8 more
TL;DR: In this paper, the authors used cross-correlation analysis to derive the sizes of the broad Hβ-emitting regions based on emission-line time delays, or lags.
Journal ArticleDOI
Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XIV. Intensive Optical Spectrophotometric Observations of NGC 7469
Stefan Collier,Stefan Collier,Keith Horne,Shai Kaspi,Hagai Netzer,Bradley M. Peterson,Ignaz Wanders,Ignaz Wanders,Tal Alexander,R. Bertram,R. Bertram,Andrea Comastri,C. M. Gaskell,Yu. F. Malkov,D. Maoz,M. Mignoli,Richard W. Pogge,V. I. Pronik,S. G. Sergeev,Stephanie A. Snedden,G. M. Stirpe,N. G. Bochkarev,A. N. Burenkov,Alla I. Shapovalova,R. M. Wagner,R. M. Wagner +25 more
TL;DR: In this paper, the authors present results of an intensive 2 month campaign of ground-based spectrophotometric monitoring of the Seyfert 1 galaxy NGC 7469, with a temporal resolution 1 day.
Journal ArticleDOI
Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. IX. Ultraviolet Observations of Fairall 9
P. M. Rodríguez-Pascual,Danielle Alloin,J. Clavel,D. M. Crenshaw,Keith Horne,Gerard A. Kriss,Julian H. Krolik,M. A. Malkan,Hagai Netzer,P. T. O'Brien,Bradley M. Peterson,Gail A. Reichert,Willem Wamsteker,Tal Alexander,P. Barr,Roger Blandford,Joel N. Bregman,T. E. Carone,S. D. Clements,Thierry J.-L. Courvoisier,M. M. De Robertis,M. Dietrich,Horacio Alberto Dottori,Rick Edelson,Alexei V. Filippenko,C. M. Gaskell,John P. Huchra,J. B. Hutchings,Wolfram Kollatschny,Anuradha Koratkar,Kirk T. Korista,Ari Laor,Gordon M. MacAlpine,Peter G. Martin,D. Maoz,B. McCollum,Simon L. Morris,G. C. Perola,Richard W. Pogge,Roger Ptak,M. C. Recondo‐Gonzalez,J. M. Rodriguez‐Espinoza,E. L. Rokaki,Maria Santos-Lleo,Kazuhiro Sekiguchi,J. M. Shull,M. A. J. Snijders,Linda S. Sparke,G. M. Stirpe,R. Stoner,Wei-Hsin Sun,Stefan Wagner,Ignaz Wanders,Belinda Jane Wilkes,Claudia Winge,W. Zheng +55 more
TL;DR: In this article, an 8-month monitoring campaign on the Seyfert 1 galaxy Fairall 9 has been conducted with the International Ultraviolet Explorer in an attempt to obtain reliable estimates of continuum-continuum and continuum-emission-line delays for a high-luminosity active galactic nucleus (AGN).
Journal ArticleDOI
Optical Continuum and Emission-Line Variability of Seyfert 1 Galaxies
Bradley M. Peterson,Ignaz Wanders,Ignaz Wanders,R. Bertram,R. Bertram,James F. Hunley,Richard W. Pogge,R. Mark Wagner,R. Mark Wagner +8 more
TL;DR: In this paper, the authors present the light curves obtained during an eight-year program of optical spectroscopic monitoring of nine Seyfert 1 galaxies: 3C 120, Akn 120, Mrk 79, MRK 79, RMK 110, MRKS 335, MRKK 509, MRk 590, MRKN 704, MRKT 704 and MRK 817.