Daniel N. Sauer

This page might be outdated. For more up-to-date information please check my new web site at http://www.meteo.physik.uni-muenchen.de/~sauer/

Research

Impact of aerosol layers on the atmosphere and climate
Thermonuclear and core-collapse supernova explosions
Radiative transfer in supernova ejecta
Type Ia Supernovae and cosmology
Supernova-Gamma-Ray-Burst Connection
Radiative transfer techniques
Monte Carlo methods

Publications:

Articles in Journals

Fallback Supernovae: Possible Origin of Peculiar Supernovae with Extremely Low Explosion Energies
T. Moriya, N. Tominaga, M. Tanaka, K. Nomoto, D. N. Sauer, P. A. Mazzali, K. Maeda, T. Suzuki, 2010, ApJ in press. (arxiv:1006.5336)
Variable Sodium Absorption in a Low-extinction Type Ia Supernova
J.D. Simon, A. Gal-Yam, O. Gnat, R.M. Quimby, M. Ganeshalingam, J.M. Silverman, S. Blondin, W. Li, A.V. Filippenko, J.C. Wheeler, R.P. Kirshner, F. Patat, P. Nugent, R.J. Foley, S.S. Vogt, R.P. Butler, K.M.G. Peek, E. Rosolowsky, G.J. Herczeg, D.N. Sauer and P.A. Mazzali, 2009, ApJ, 702, 1157, DOI:10.1088/0004-637X/702/2/1157
Properties of the ultraviolet flux of type Ia supernovae: an analysis with synthetic spectra of SN 2001ep and SN 2001eh
D.N. Sauer, P.A. Mazzali, S. Blondin, M. Stehle, S. Benetti, P. Challis, A.V. Filippenko, R.P. Kirshner, W. Li, T. Matheson, 2008, MNRAS, 391, 1605, DOI: 10.1111/j.1365-2966.2008.14018.x
(arxiv:0803.0871)
The Metamorphosis of Supernova SN 2008D/XRF 080109: A Link Between Supernovae and GRBs/Hypernovae
P.A. Mazzali, S. Valenti, M. Della Valle, G. Chincarini, D.N. Sauer, S. Benetti, E. Pian, T. Piran, V. D'Elia, N. Elias-Rosa, R. Margutti, F. Pasotti, L. Angelo Antonelli, F. Bufano, S. Campana, E. Cappellaro, S. Covino, P. D'Avanzo, F. Fiore, D. Fugazza, R. Gilmozzi, D. Hunter, K. Maguire, E. M., P. Marziani, N. Masetti, F. Mirabel, H. Navasardyan, K. Nomoto, E. Palazzi, A. Pastorello, N. Panagia, L. J. Pellizza, R., S. Smartt, G. Tagliaferri, M. Tanaka, S. Taubenberger, N. Tominaga, C. Trundle, and M. Turatto, 2008, Science, 321, 1185, DOI:10.1126/science.1158088
Interpretation of observed type Ia supernova spectra with radiative transfer models
D.N. Sauer and P.A. Mazzali, 2008, New Astronomy Reviews, 52, 370, DOI:10.1016/j.newar.2008.06.023
Abundance stratification in Type Ia Supernovae - II: The rapidly declining, spectroscopically normal SN 2004eo
P.A. Mazzali, D.N. Sauer, A. Pastorello, S. Benetti, W. Hillebrandt, 2008, MNRAS, 386, 1897, DOI:10.1111/j.1365-2966.2008.13199.x (arxiv:0803.1383)
The carbon-rich type Ic SN 2007gr: the photospheric phase
S. Valenti, N. Elias-Rosa, S. Taubenberger, V. Stanishev, I. Agnoletto, D.N. Sauer, E. Cappellaro, A. Pastorello, S. Benetti, A. Riffeser, U. Hopp, H. Navasardyan, D. Tsvetkov, V. Lorenzi, F. Patat, M. Turatto, R. Barbon, S. Ciroi, F. Di Mille, S. Frandsen, J.P.U. Fynbo, P. Laursen, P.A. Mazzali, 2008, ApJ, 673, L155, DOI:10.1086/527672 (arxiv:0712.1899)
The Broad-lined Type Ic SN 2003jd
S. Valenti, S. Benetti, E. Cappellaro, F. Patat, P. Mazzali, M. Turatto, K. Hurley, K. Maeda, A. Gal-Yam, R.J. Foley, A.V. Filippenko, A. Pastorello, P. Challis, F. Frontera, A. Harutyunyan, M. Iye, K. Kawabata, R. P. Kirshner, W. Li, Y. M. Lipkin, T. Matheson, K. Nomoto, E. O. Ofek, Y. Ohyama, E. Pian, D. Poznanski, M. Salvo, D.N. Sauer, B.P. Schmidt, A. Soderberg, L. Zampieri, 2008, MNRAS, 383, 1485, DOI:10.1111/j.1365-2966.2007.12647.x (arXiv:0710.5173v1)
Light curves for off-centre ignition models of type Ia supernovae
S.A. Sim, D.N. Sauer, F.K. Röpke, W. Hillebrandt,
2007, MNRAS, 378, 2, DOI:10.1111/j.1365-2966.2007.11795.x (astro-ph/0703764)
Non-LTE models for synthetic spectra of type Ia supernovae / hot stars with extremely extended atmospheres
D.N. Sauer, T.L. Hoffmann, A.W.A. Pauldrach,
2006, A&A, 459, 229, DOI:10.1051/0004-6361:20065781 (astro-ph/0608520)
A neutron-star-driven X-ray flash associated with supernova SN 2006aj
P.A. Mazzali, J. Deng, K. Nomoto, D.N. Sauer, E. Pian, N. Tominaga, M. Tanaka, K. Maeda & A.V. Filippenko
2006, Nature, 442, 1018, DOI:10.1038/nature05081
An optical supernova associated with the X-ray flash XRF 060218
E. Pian, P.A. Mazzali, N. Masetti, P. Ferrero, S. Klose, E. Palazzi, E. Ramirez-Ruiz, S.E. Woosley, C. Kouveliotou, J. Deng, A.V. Filippenko, R.J. Foley, J.P.U. Fynbo, D.A. Kann, W. Li, J. Hjorth, K. Nomoto, F. Patat, D.N. Sauer, J. Sollermann, P.M. Vreeswijk, E.W. Guenther, A. Levan, P. O'Brien, N.R. Tanvir, R.A.M.J. Wijers, C. Dumas, O. Hainaut, D.S. Wong, D. Baade, L. Wang, L. Amati, E. Cappellaro, A.J. Castro-Tirado, S. Ellison, F. Fontera, A.S. Fruchter, J. Greiner, K. Kawabata, C. Ledoux, K. Maeda, P. Moller, L. Nicastro, E. Rol & R. Starling
2006, Nature, 442, 1011, DOI:10.1038/nature05082
SN 2004aw: Confirming Diversity of Type Ic Supernovae
S. Taubenberger, A. Pastorello, P. A. Mazzali, S. Valenti, G. Pignata, D.N. Sauer, A. Arbey, O. Bärnbantner, S. Benetti, A. Della Valle, J. Deng, N. Elias-Rosa, A.V. Filippenko, R.J. Foley, A. Goobar, R. Kotak, W. Li, P. Meikle, J. Mendez, F. Patat, E. Pian, C. Ries, P. Ruiz-Lapuente, M. Salvo, V. Stanishev, M. Turatto & W. Hillebrandt
2006, MNRAS, 371, 1459, DOI:10.1111/j.1365-2966.2006.10776.x (astro-ph/0607078)
The properties of the 'standard' type Ic supernova 1994I from spectral models
D.N. Sauer, P.A. Mazzali, J. Deng, S. Valenti, K. Nomoto, and A.V. Filippenko,
2006, MNRAS, 369, 1939-1948, DOI:10.1111/j.1365-2966.2006.10438.x, (astro-ph/0604293)
SN 2005cs in M51. I. The first month of evolution of a subluminous SN II plateau
A. Pastorello, D. Sauer, S. Taubenberger, P. Mazzali, K. Nomoto, K. Kawabata, S. Benetti,N. Elias-Rosa,A. Harutyunyan, H. Navasardyan, L. Zampieri, T. Iijima, M. Botticella, M. Del Principe, M. Dolci, S. Gagliardi, M. Ragni, and G. Valentini
2006, MNRAS, 370, 1752, DOI:10.1111/j.1365-2966.2006.10587.x (astro-ph/0605700)
Systematic Uncertainties in the Determination of the Primordial ⁴He Abundance
D. Sauer & K. Jedamzik
2002, A&A 381, 361-373, DOI:10.1051/0004-6361:20011567 (astro-ph/0104392)

Articles in Conference Proceedings

D. Sauer, A.W.A Pauldrach, T. Hoffmann & W. Hillebrandt
Synthetic Spectra for Type Ia Supernovae at Early Epochs
in Proceedings of the IAU Colloquium 192 on Supernovae (10 years of SN1993J)
J.M. Marcaide and K.W. Weiler (Eds.), Springer (pdf 181k)
D. Sauer & A.W.A Pauldrach
NLTE models of Type Ia Supernovae - Basic steps towards a realistic model
in Proceedings of the 11th Workshop on Nuclear Astrophysics, Ringberg, Tegernsee, Germany
W. Hillebrandt & E. Müller (Eds.)
Max-Planck-Institut für Astrophysik, Garching (gzipped ps 75k)

Thesis:

Steps toward a consistent NLTE treatment of the radiative transfer in Type Ia Supernovae
PhD Thesis, May 2005 (pdf 3.2M) (official version at the TUM library)
Uncertainties in the Determination of the Primordial ⁴He Abundance
Diploma Thesis, Dec 2000 (pdf 2.2M)

Selected Talks

Bright Explosions in a Dark Universe
Public lecture for the Albanova Telescope shows, Fall 2009 (pdf 14Mb)
Interpretation of observed supernova data with radiative transfer models
14th Workshop on Nuclear Astrophysics, Ringberg Castle, March 2008 (pdf 5Mb)
Radiative transfer in ejecta of type Ia supernovae
Workshop on Dark Energy, Niels Bohr Institute, Copenhagen, August 2007 (pdf 5Mb)
Radiative transfer in ejecta of type Ia supernovae - How do we know what we see?
MPA institute seminar, April 2007 (pdf 4.3M)
Spectral models of type Ic supernovae
13th Workshop on Nuclear Astrophysics, Ringberg Castle, April 2006 (pdf 2.6M)
Consistent non-LTE models of SNIa - Handling the conditions at the "photosphere"
Meeting of the RTN on the Physics of SNIa, September 2005, Garching (pdf 1.1M)

Miscellaneous

Sources for Atomic and Nuclear Data

Links

Internal

NEW! Contact:

Dr. Daniel Sauer Meteorological Institute Ludwig-Maximilians-University Munich Theresienstr. 37 80333 Munich Germany and German Aerospace Center (DLR) Institute for Atmospheric Physics Oberpfaffenhofen 82234 Wessling Germany
Email:	daniel.sauer@lmu.de
Phone:	+49 (0)89 2180 4168	Public Key (GnuPG): KeyID 35568E00
Fax:	+49 (0)89 280 5508	Fingerprint: C3A0 BA71 C64C 9D9D 4D69 2E34 4721 CA8F 3556 8E00

Last modified: Mon 15 Nov 2010 04:28:25 PM CET