Publications

If you already know what you want, then you can go find it in either the

or in the depending on whether you want to look at something `directly' or are more concerned about conserving precious bandwidth.

Feel free to cite me! To make it easier, here's a BibTeX file which contains nothing but my publications! Entries preceded by ADS were in the ADS last time I checked. The ADS is reasonably complete as far as refereed journals go, but apparently not for conferences.

You can decrease the load on my server by getting stuff from ADS, arXiv or Google Scholar Citations but keep in mind that these are automatic and perhaps not 100% reliable.

For more information about (including links to) my various publications, see the lists below.

Refereed journals

  1. Phillip Helbig & R. Kayser:
    "Cosmological Parameters and the redshift distribution of gravitational lenses"
    A&A 308, 2, 359-367 (1996)
  2. R. Kayser, Phillip Helbig & Th. Schramm:
    "A general and practical method for calculating cosmological distances"
    A&A 318, 2, 680-686 (1997)
  3. N. Jackson, Phillip Helbig, I. W. A. Browne, C. D. Fassnacht, L. V. E. Koopmans, D. R. Marlow, P. N. Wilkinson:
    "Lensing galaxies: light or dark?"
    A&A 334, 2, L33-6 (1998)
  4. Phillip Helbig:
    "The image separation-source redshift relation for gravitational lenses as a cosmological test"
    MNRAS, 298, 2, 395--398 (1998)
  5. A. D. Biggs, I. W. A. Browne, Phillip Helbig, L. V. E. Koopmans, P. N. Wilkinson R. Perley:
    "Time delay for the gravitational lens system B0218+357"
    MNRAS, 304, 2, 349--58 (1999)
  6. R. Quast & Phillip Helbig:
    "Gravitational lensing statistics with extragalactic surveys. I. A lower limit on the cosmological constant"
    A&A, 344, 721--34 (1999)
  7. Phillip Helbig, D. R. Marlow, R. Quast, P. N. Wilkinson, I. W. A. Browne & L. V. E. Koopmans:
    "Gravitational lensing statics with extragalactic surveys. II. Analysis of the Jodrell Bank-VLA Astrometric Survey"
    A&ASS, 136, 2, 297--305 (1999)
  8. Phillip Helbig:
    "Gravitational lensing statistics with extragalactic surveys. III. Joint constraints on $\lambda_{0}$ and $\Omega_{0}$ from lensing statistics and the $m$-$z$ relation for type Ia supernovae"
    A&A, 350, 1, 1--8 (1999)
  9. J. F. Macias-Perez, Phillip Helbig, R. Quast, A. Wilkinson & R. D. Davies:
    "Gravitational lensing statistics with extragalactic surveys. IV. Joint constraints on $\lambda_{0}$ and $\Omega_{0}$ from gravitational lensing statistics and CMB anisotropies"
    A&A 353, 419--26 (2000)
  10. L. V. E. Koopmans, A. G. de Bruyn, C. D. Fassnacht, D. R. Marlow, D. Rusin, R. D. Blandford, I. W. A. Browne, Phillip Helbig, N. Jackson,, S. T. Myers, T. J. Pearson, A. C. S. Readhead, P. N. Wilkinson, E. Xanthopoulos & H. Hoekstra:
    "B0827+525: `Dark' lens or binary radio-loud quasar?"
    A&A 361, 815--822 (2000)
  11. P. M. Phillips, M. A. Norbury, I. W. A. Browne, N. Jackson, P. N. Wilkinson R. D. Blandford, A. G. de Bruyn, C. D. Fassnacht, Phillip Helbig, L. V. E. Koopmans, S. Mao, D. R. Marlow, S. T. Myers, T. J. Pearson, A. C. S. Readhead, D. Rusin & E. Xanthopoulos:
    "A New Quadruple Gravitational Lens System: CLASS B0128+437"
    MNRAS 319, 2, L7--11 (2000)
  12. K.-H. Chae, A. D. Biggs, R. D. Blandford, I. W. A. Browne, A. G. de Bruyn, C. D. Fassnacht, Phillip Helbig, N. J. Jackson, L. J. King, L. V. E. Koopmans, S. Mao, D. R. Marlow, J. P. McKean, S. T. Myers, M. Norbury, T. J. Pearson, P. M. Phillips, A. C. S. Readhead, D. Rusin, C. M. Sykes, P. N. Wilkinson, E. Xanthopoulos & T. York:
    "Constraints on Cosmological Parameters from the Analysis of the Cosmic Lens All Sky Survey Radio-Selected Gravitational Lens Statistics"
    PRL 89, 15, 151301 (2002)
  13. I. W. A. Browne, P. N. Wilkinson, N. J. F. Jackson, S. T. Myers, C. D. Fassnacht, L. V. E. Koopmans, D. R. Marlow, M. Norbury, D. Rusin, C. M. Sykes, A. D. Biggs, R. D. Blandford, A. G. de Bruyn, K.-H. Chae, Phillip Helbig, L. J. King, J. P. McKean, T. J. Pearson, P. M. Phillips, A. C. S. Readhead, E. Xanthopoulos & T. York:
    "The Cosmic Lens All-Sky Survey - II. Gravitational lens candidate selection and follow-up"
    MNRAS 341, 1, 13--32 (2003)
  14. E. Zackrisson, N. Bergvall, T. Marquart & Phillip Helbig:
    "Can microlensing explain the long-term optical variability of quasars?"
    A&A, 408, 17--25 (2003)
  15. J. P. McKean, I. W. A. Browne, N. J. F. Jackson, C. D. Fassnacht, Phillip Helbig: "The Cosmic Lens All-Sky Survey parent population - I. Sample selection and number counts"
    MNRAS, 377, 1, 430--440 (2007)
  16. Phillip Helbig: "Is there a flatness problem in classical cosmology?"
    MNRAS (accepted)

Edited Proceedings

Conference proceedings

  1. Phillip Helbig:
    "Cosmological parameters and gravitational lensing statistics"
    Proceedings of the Seventeenth Texas Symposium on Relativistic Astrophysics and Cosmology
    E. Böhringer, G. E. Morfill & J. E. Trümper (eds.)
    Annals of the New York Academy of Sciences 759, 600--603 (1995)
  2. Phillip Helbig:
    "Predicted lens redshifts and magnitudes for gravitational lenses"
    Proceedings of IAU Symposium 173
    C. S. Kochanek & J. Hewitt (eds.)
    Dordrecht: Kluver, pp. 21--2 (1996)
  3. D. R. Marlow, P. N. Wilkinson, Phillip Helbig & I. W. A. Browne:
    "Constraining the value of the cosmological constant using JVAS/CLASS lensing statistics"
    in Cosmology with the new radio surveys,
    M. Bremer & N. Jackson (eds.)
    Astrophysics and Space Science Library, Volume 226
    Dordrecht: Kluver, pp. 339--40 (1998)
  4. Phillip Helbig:
    "Measuring the Hubble constant with lens time delays in inhomogeneous universes"
    Proceedings of the Jodrell Bank Workshop `Golden Lenses'
    Phillip Helbig & N. Jackson (eds.)
    WorldWideWeb proceedings
  5. A. D. Biggs, R. D. Blandford, M. Bremer, I. W. A. Browne, A. G. de Bruyn, J. Cohen, C. D. Fassnacht, Phillip Helbig, N. Jackson, L. King, L. V. E. Koopmans, D. R. Marlow, A. McGuinness, G. Miley, S. T. Myers, S. Nair, A. Patnaik, T. J. Pearson, A. C. S. Readhead, C. Sykes, P. N. Wilkinson, D. Womble & E. Xanthopoulos:
    "Cosmological parameters from the CERES project"
    Proceedings of IAU Symposium 183
    Katsuhiko Sato (ed.)
    Dordrecht: Kluwer, p. 61 (1999)
  6. Phillip Helbig:
    "The image separation source redshift relation for gravitational lenses"
    Proceedings of the twelfth Potsdam Cosmology Workshop
    V. Müller, St. Gottlöber, J. P. Mücket & J. Wambsganß (eds.)
    Singapore, World Scientific, pp. 319--20 (1998)
  7. D. R. Marlow, A. D. McGuinness, P. N. Wilkinson & Phillip Helbig:
    "A Search for Large-Image-Separation Gravitational Lenses in the JVAS Radio Survey"
    Proceedings of the twelfth Potsdam Cosmology Workshop
    V. Müller, St. Gottlöber, J. P. Mücket & J. Wambsganß (eds.)
    Singapore, World Scientific pp. 327--8 (1998)
  8. N. Jackson,, Phillip Helbig, I. W. A. Browne & L. V. E. Koopmans:
    "Light on dark lenses"
    in Gravitational Lensing: Nature's Own Weighing Scales, H. AbdelSalam, K. Blundell, J. Miller & P. Saha (eds.)
    New Astronomy Reviews 42, 2, 97--100 (1998)
    Amsterdam: Elsevier
  9. Phillip Helbig, R. D. Blandford, I. W. A. Browne, A. G. de Bruyn, C. D. Fassnacht, N. Jackson, L. V. E. Koopmans, J. F. Macias-Perez, D. R. Marlow, S. Myers, R. Quast, D. Rusin, P. N. Wilkinson & E. Xanthopoulos:
    "Measuring Cosmological Parameters with the JVAS and CLASS Gravitational Lens Surveys"
    in Proceedings of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology
    J. Paul, T. Montmerle & E. Aubourg (eds.)
  10. J. F. Macias-Perez, Phillip Helbig, R. Quast, A. Wilkinson & R. D. Davies:
    "lambda_0 and Omega_0 from Lensing Statistics and Other Methods: Is There a Conflict?"
    in Gravitational Lensing: Recent Progress and Future Goals
    T. G. Brainerd & C. S. Kochanek (eds.)
    Publications of the Astronomical Society of the Pacific, conference series, 1999
  11. A. D. Biggs, I. W. A. Browne, P. N. Wilkinson, T. W. B. Muxlow, Phillip Helbig & L. V. E. Koopmans:
    "B0218+357: Time Delays and New MERLIN/VLA 5 GHz Maps of the Einstein Ring"
    in Gravitational Lensing: Recent Progress and Future Goals
    T. G. Brainerd & C. S. Kochanek (eds.)
    Publications of the Astronomical Society of the Pacific, conference series, 1999
  12. Phillip Helbig:
    "The Current Status of CLASS"
    L2K: Cosmological Physics with Gravitational Lensing
    J.-P. Kneib, Y. Mellier, M. Moniez & J. Tran Thanh Van (eds.)
  13. Phillip Helbig:
    "The Lens-Redshift Test Revisited"
    L2K: Cosmological Physics with Gravitational Lensing
    J.-P. Kneib, Y. Mellier, M. Moniez & J. Tran Thanh Van (eds.)
  14. Phillip Helbig:
    "Constraints in the lambda_0-Omega_0 plane from gravitational lensing"
    New Cosmological Data and the Values of the Fundamental Parameters, International Astronomical Union. Symposium no. 201
    A. Lasenby & A. Wilkinson (eds.) p. 23
  15. J. P. McKean, I. W. A. Browne, Phillip Helbig, N. Jackson & P. N. Wilkinson:
    "The Redshift Distribution of Flat-Spectrum Radio Sources at Low Flux-Densities"
    New Cosmological Data and the Values of the Fundamental Parameters, International Astronomical Union. Symposium no. 201
    A. Lasenby & A. Wilkinson (eds.)
    p.76
  16. R. J. Nemiroff & Phillip Helbig:
    "Current Status of the Astrophysics Source Code Library"
    Bulletin of the American Astronomical Society 32, 1600 (2000)
  17. E. Zackrisson, N. Bergvall & Phillip Helbig:
    "Constraining Dark Matter with the Long-Term Variability of Quasars"
    Lighthouses of the Universe: The Most Luminous Celestial Objects and Their Use for Cosmology. Proceedings of the MPA/ ESO/ MPE/ USM Joint Astronomy Conference Heidelberg: Springer, p. 550 (2002)

My Diplomarbeit ("master's thesis")

Achtung: in German!

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last modified on Wednesday, January 04, 2012 at 12:18:25 AM by helbig@astro.mNuOlStPiAvMa!x.de