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Professor Daniel Thomas

Professor of Astrophysics

  1. 2008
  2. Published

    Spatially resolved spectroscopy of Coma Cluster early‐type galaxies. IV. Completing the data set

    E. Corsini, G. Wegner, R. Saglia, J. Thomas, R. Bender & Professor Daniel Thomas, Apr 2008, In : The Astrophysical Journal Supplement Series. 175, 2, p. 462-484 23 p.

    Research output: Contribution to journalArticle

  3. Published

    Galaxy Zoo: morphologies derived from visual inspection of galaxies from the Sloan Digital Sky Survey

    Chris J. Lintott, Kevin Schawinski, Anze Slosar, Kate Land, Steven P. Bamford, Professor Daniel Thomas, M. Jordan Raddick, Professor Bob Nichol, Alexander S. Szalay & Dan Andreescu, 2008, In : Monthly Notices of the Royal Astronomical Society. 389, 3, p. 1179-1189

    Research output: Contribution to journalArticle

  4. Published

    Galaxy Zoo: the large-scale spin statistics of spiral galaxies in the Sloan Digital Sky Survey

    Kate Land, Anze Slosar, Chris J. Lintott, Dan Andreescu, Steven P. Bamford, Phil Murray, Professor Bob Nichol, M. Jordan Raddick, Kevin Schawinski, Alexander S. Szalay & 2 others, Professor Daniel Thomas & Jan Vandenberg, 2008, In : Monthly Notices of the Royal Astronomical Society. 388, 4, p. 1686-1692 7 p.

    Research output: Contribution to journalArticle

  5. 2007
  6. Published

    Observational evidence for AGN feedback in early-type galaxies

    K. Schawinski, Professor Daniel Thomas, M. Sarzi, Professor Claudia Maraston, S. Kaviraj, S. Joo, S. Yi & J. Silk, Dec 2007, In : Monthly Notices of the Royal Astronomical Society. 382, 4, p. 1415-1431 17 p.

    Research output: Contribution to journalArticle

  7. Published

    Dynamical modelling of luminous and dark matter in 17 Coma early-type galaxies

    J. Thomas, R. Saglia, R. Bender, Professor Daniel Thomas, K. Gebhardt, J. Magorrian, E. Corsini & G. Wegner, 2007, In : Monthly Notices of the Royal Astronomical Society. 382, 2, p. 657-684 28 p.

    Research output: Contribution to journalArticle

  8. 2006
  9. Published

    Rejuvenation of spiral bulges

    Professor Daniel Thomas & Roger L. Davies, 21 Feb 2006, In : Monthly Notices of the Royal Astronomical Society. 366, 2, p. 510-520

    Research output: Contribution to journalArticle

  10. Published

    A counter-rotating core in the dwarf elliptical galaxy VCC 510

    Professor Daniel Thomas, F. Brimioulle, R. Bender, U. Hopp, L. Greggio, Professor Claudia Maraston & R. P. Saglia, 1 Jan 2006, In : Astronomy and Astrophysics. 445, 1, p. L19-L22

    Research output: Contribution to journalArticle

  11. 2005
  12. Published

    VLT spectroscopy of globular cluster systems: II. spectroscopic ages, metallicities, and [alpha/Fe] ratios of globular clusters in early-type galaxies

    T. H. Puzia, M. Kissler-Patig, Professor Daniel Thomas, Professor Claudia Maraston, R. P. Saglia, R. Bender, P Goudfrooij & A. Hempel, 1 Sep 2005, In : Astronomy and Astrophysics. 439, 3, p. 997-1011

    Research output: Contribution to journalArticle

  13. Published

    The sensitivity of Lick indices to abundance variations

    A. J. Korn, Professor Claudia Maraston & Professor Daniel Thomas, Aug 2005, In : Astronomy and Astrophysics. 438, 2, p. 685-704

    Research output: Contribution to journalArticle

  14. Published

    Regularized orbit models unveiling the stellar structure and dark matter halo of the Coma elliptical NGC 4807

    J. Thomas, R. P. Saglia, R. Bender, Professor Daniel Thomas, K. Gebhardt, J. Magorrian, E. M. Corsini & G. Wegner, 11 Jul 2005, In : Monthly Notices of the Royal Astronomical Society. 360, 4, p. 1355-1372

    Research output: Contribution to journalArticle

  15. Published

    Oxygen and neon abundances of planetary nebulae in the elliptical galaxy NGC 4697

    R. H. Mendez, Professor Daniel Thomas, R. P. Saglia, Professor Claudia Maraston, R. P. Kudritzki & R. Bender, 10 Jul 2005, In : The Astrophysical Journal. 627, 2, p. 767-781

    Research output: Contribution to journalArticle

  16. Published

    Kinematic and chemical evolution of early-type galaxies

    B .L. Ziegler, Professor Daniel Thomas, A. Bohm, R. Bender, A. Fritz & Professor Claudia Maraston, Apr 2005, In : Astronomy and Astrophysics. 433, 2, p. 519-530

    Research output: Contribution to journalArticle

  17. Published

    The epochs of early-type galaxy formation as a function of environment

    Professor Daniel Thomas, Professor Claudia Maraston, Ralf Bender & Claudia Mendes De Oliveira, 10 Mar 2005, In : The Astrophysical Journal. 621, 2, p. 673-694

    Research output: Contribution to journalArticle

  18. 2004
  19. Published

    Nuclear stellar discs in low-luminosity elliptical galaxies: NGC 4458 and 4478

    L. Morelli, C. Halliday, E. M. Corsini, A. Pizzella, Professor Daniel Thomas, R. P. Saglia, R. L. Davies, R. Bender, M. Birkinshaw & F. Bertola, 1 Nov 2004, In : Monthly Notices of the Royal Astronomical Society. 354, 3, p. 753-762

    Research output: Contribution to journalArticle

  20. Published

    Mapping stationary axisymmetric phase-space distribution functions by orbit libraries

    J. Thomas, R. P. Saglia, R. Bender, Professor Daniel Thomas, K. Gebhardt, J. Magorrian & D. Richstone, Sep 2004, In : Monthly Notices of the Royal Astronomical Society. 353, 2, p. 391-404

    Research output: Contribution to journalArticle

  21. Published

    Higher-order Balmer line indices in alpha/Fe-enhanced stellar population models

    Professor Daniel Thomas, Professor Claudia Maraston & Andreas Korn, 11 Jul 2004, In : Monthly Notices of the Royal Astronomical Society. 351, 1, p. L19-L23

    Research output: Contribution to journalArticle

  22. Published

    VLT spectroscopy of globular cluster systems - I: the photometric and spectroscopic data set

    T. H. Puzia, M. Kissler-Patig, Professor Daniel Thomas, Professor Claudia Maraston, R. P. Saglia, R. Bender, T. Richtler, P. Goudfrooij & M. Hempel, 3 Feb 2004, In : Astronomy and Astrophysics. 415, 1, p. 123-U6

    Research output: Contribution to journalArticle

  23. 2003
  24. Published

    Spatially resolved spectroscopy of Coma cluster early-type galaxies - III: the stellar population gradients

    D. Mehlert, Professor Daniel Thomas, R. P. Saglia, R. Bender & G. Wegner, 4 Aug 2003, In : Astronomy and Astrophysics. 407, 2, p. 423-435

    Research output: Contribution to journalArticle

  25. Published

    New clues on the calcium underabundance in early-type galaxies

    Professor Daniel Thomas, Professor Claudia Maraston & R. Bender, Jul 2003, In : Monthly Notices of the Royal Astronomical Society. 343, 1, p. 279-283

    Research output: Contribution to journalArticle

  26. Published

    The impact of alpha/Fe enhanced stellar evolutionary tracks on the ages of elliptical galaxies

    Professor Daniel Thomas & Professor Claudia Maraston, 2 Apr 2003, In : Astronomy and Astrophysics. 401, 2, p. 429-432

    Research output: Contribution to journalArticle

  27. Published

    Stellar population models of Lick indices with variable element abundance ratios

    Professor Daniel Thomas, Professor Claudia Maraston & Ralf Bender, Mar 2003, In : Monthly Notices of the Royal Astronomical Society. 339, 3, p. 897-911

    Research output: Contribution to journalArticle

  28. 2002
  29. Published

    Spatially resolved spectroscopy of Coma cluster early-type galaxies - II: the minor axis dataset

    G. Wegner, E. M. Corsini, R. P. Saglia, R. Bender, D. Merkl, Professor Daniel Thomas, J. Thomas & D. Mehlert, 1 Dec 2002, In : Astronomy and Astrophysics. 395, 3, p. 753-759

    Research output: Contribution to journalArticle

  30. Published

    Line-strength indices and velocity dispersions for 148 early-type galaxies in different environments

    J. Beuing, R. Bender, C. M. de Oliveira, Professor Daniel Thomas & Professor Claudia Maraston, 4 Nov 2002, In : Astronomy and Astrophysics. 395, 2, p. 431-442

    Research output: Contribution to journalArticle

  31. Published

    The puzzlingly small CaII triplet absorption in elliptical galaxies

    R. P. Saglia, Professor Claudia Maraston, Professor Daniel Thomas, Ralf Bender & Mattew Colless, 1 Nov 2002, In : The Astrophysical Journal. 579, 1, p. L13-L16

    Research output: Contribution to journalArticle

  32. Published

    Recurring outbursts and nuclear fragmentation of comet C/2001 A2 (linear)

    Zdenek Sekanina, Emmanuel Jehin, Hermann Boehnhardt, Xavier Bonfils, Oliver Schuetz & Professor Daniel Thomas, 10 Jun 2002, In : The Astrophysical Journal. 572, 1, p. 679-684

    Research output: Contribution to journalArticle

  33. Published

    Split comet C/2001 A2 (LINEAR)

    Emmanuel Jehin, Hermann Boehnhardt, Zdenek Sekanina, Xavier Bonfils, Oliver Schütz, Jean Luc Beuzit, Malvina Billeres, Gordon J. Garradd, Pierre Leisy, Franck Marchis & 5 others, Antonio Más, Livia Origlia, Daniel Scarpa, Professor Daniel Thomas & Gian Paolo Tozzi, 1 Jun 2002, In : Earth, Moon and Planets. 90, 1-4, p. 147-151 5 p.

    Research output: Contribution to journalArticle

  34. 2001
  35. Published

    Strong Balmer lines in old ellipticals

    Professor Claudia Maraston & Professor Daniel Thomas, 1 May 2001, In : Astrophysics and Space Science. 277, 1, p. 295-298

    Research output: Contribution to journalArticle

  36. 2000
  37. Published

    Strong Balmer lines in old stellar populations: no need for young ages in ellipticals?

    Professor Claudia Maraston & Professor Daniel Thomas, 20 Sep 2000, In : The Astrophysical Journal. 541, 1, p. 126-133

    Research output: Contribution to journalArticle

  38. 1999
  39. Published

    Abundance ratios in hierarchical galaxy formation

    Professor Daniel Thomas, 1 Jul 1999, In : Monthly Notices of the Royal Astronomical Society. 306, 3, p. 655-661

    Research output: Contribution to journalArticle

  40. Published

    Constraints on galaxy formation from α-enhancement in luminous elliptical galaxies

    Professor Daniel Thomas, L. Greggio & R. Bender, 21 Jan 1999, In : Monthly Notices of the Royal Astronomical Society. 302, 3, p. 537-548

    Research output: Contribution to journalArticle

  41. Published

    Abundance ratios in hierarchical galaxy formation

    Professor Daniel Thomas, 1999, In : Astrophysics and Space Science. 277, 1 Supp, p. 209-209

    Research output: Contribution to journalArticle

  42. 1998
  43. Published

    Stellar yields and chemical evolution - I: abundance ratios and delayed mixing in the solar neighbourhood

    Professor Daniel Thomas, L. Greggio & R. Bender, 1 May 1998, In : Monthly Notices of the Royal Astronomical Society. 296, 1, p. 119-149

    Research output: Contribution to journalArticle

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