Items where Author is "Koester, D."

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Article

Serendipitous discovery of a dusty disc around WDJ181417.84-735459.83. (2020) E. González Egea, D. Koester, L. K. Rogers, F. Marocco, W. J. Cooper, J. C. Beamin, B. Burningham, A. Day-Jones, J. Forbrich and D. J. Pinfield

The ESO supernovae type Ia progenitor survey (SPY) : The radial velocities of 644 DA white dwarfs. (2019) R. Napiwotzki, C. A. Karl, T. Lisker, S. Catalan, H. Drechsel, U. Heber, D. Homeier, D. Koester, B. Leibundgut, T. R. Marsh, S. Moehler, G. Nelemans, D. Reimers, A. Renzini, A. Stroer and L. Yungelson

A search for white dwarfs in the Galactic plane: : the field and the open cluster population. (2016) R. Raddi, S. Catalan, B. T. Gaensicke, J. J. Hermes, R. Napiwotzki, D. Koester, P. -E. Tremblay, G. Barentsen, H. J. Farnhill, M. Mohr-Smith, J. E. Drew, P. J. Groot, L. Guzman-Ramirez, Q. A. Parker, D. Steeghs and A. Zijlstra

The magnetic and metallic degenerate G77-50. (2011) J. Farihi, P. Dufour, R. Napiwotzki and D. Koester

High resolution UVES/VLT spectra of white dwarfs observed for the ESO SN Ia Progenitor Survey III. DA white dwarfs. (2009) D. Koester, B. Voss, R. Napiwotzki, N. Christlieb, D. Homeier, T. Lisker, D. Reimers and U. Heber

Discovery of eleven new ZZ Ceti stars. (2006) B.G. Castanheira, S.O. Kepler, F. Mullally, D.E. Winget, D. Koester, B. Voss, S.J. Kleinman, A. Nitta, D.J. Eisenstein, R. Napiwotzki and D. Reimers

Discovery of seven ZZ Ceti stars using a new photometric selection method. (2006) B. Voss, D. Koester, R. Ostensen, S.O. Kepler, R. Napiwotzki, D. Homeier and D. Reimers

HS 0146 1847 - a DAZB white dwarf of very unusual composition. (2005) D. Koester, R. Napiwotzki, B. Voss, D. Homeier and D. Reimers

Rotation velocities of white dwarfs. III. DA stars with convective atmospheres. (2005) C. Karl, R. Napiwotzki, U. Heber, S. Dreizler, D. Koester and I.N. Reid

Metal traces in white dwarfs of the SPY (ESO Supernova Ia Progenitor Survey) sample. (2005) D. Koester, K. Rollenhagen, R. Napiwotzki, B. Voss, N. Christlieb, D. Homeier and D. Reimers

Rotation velocities of white dwarfs determined from the Ca II K line. (2005) L. Berger, D. Koester, R. Napiwotzki, I.N. Reid and B. Zuckerman

Two new ZZ Ceti pulsators from the HS and HE surveys. (2005) R. Silvotti, B. Voss, I. Bruni, D. Koester, D. Reimers, R. Napiwotzki and D. Homeier

HS 2333 3927: A new sdB dM binary with a large reflection effect. (2004) U. Heber, H. Drechsel, R. Ostensen, C. Karl, R. Napiwotzki, M. Altmann, O. Cordes, J.E. Solheim, B. Voss, D. Koester and S. Folkes

HS 2333 + 3927: a new sdB binary with a large reflection effect. (2004) C. Karl, U. Heber, H. Drechsel, R. Napiwotzki, M. Altmann, R. Ostensen, S. Folkes, J.E. Solheim, O. Cordes, B. Voss and D. Koester

Spectral types and masses of white dwarfs in globular clusters. (2004) S. Moehler, D. Koester, M. Zoccali, F.R. Ferraro, U. Heber, R. Napiwotzki and A. Renzini

Binaries discovered by the SPY project. III. HE 2209-1444: A massive, short period double degenerate. (2003) C. Karl, R. Napiwotzki, G. Nelemans, N. Christlieb, D. Koester, U. Heber and D. Reimers

SPY - the ESO Supernovae type Ia Progenitor survey. (2003) R. Napiwotzki, N. Christlieb, H. Drechsel, H.J. Hagen, U. Heber, D. Homeier, C. Karl, D. Koester, B. Leibundgut, T.R. Marsh, S. Moehler, G. Nelemans, E.M. Pauli, D. Reimers, A. Renzini and L. Yungelson

Binaries discovered by the SPY project. II. HE 1414-0848: A double degenerate with a mass close to the Chandrasekhar limit. (2002) R. Napiwotzki, D. Koester, G. Nelemans, L. Yungelson, N. Christlieb, A. Renzini, D. Reimers, H. Drechsel and B. Leibundgut

High-resolution UVES/VLT spectra of white dwarfs observed for the ESO SN Ia progenitor survey (SPY). I. (2001) D. Koester, R. Napiwotzki, N. Christlieb, H. Drechsel, H.J. Hagen, U. Heber, D. Homeier, C. Karl, B. Leibundgut, S. Moehler, G. Nelemans, D. Reimers, E.M. Pauli, A. Renzini and L. Yungelson

Search for progenitors of supernovae type Ia with SPY. (2001) R. Napiwotzki, N. Christlieb, H. Drechsel, H.J. Hagen, U. Heber, D. Homeier, C. Karl, D. Koester, B. Leibundgut, T.R. Marsh, S. Moehler, G. Nelemans, E.M. Pauli, D. Reimers, A. Renzini and L. Yungelson

First VLT spectra of white dwarfs in a globular cluster. (2000) S. Moehler, U. Heber, R. Napiwotzki, D. Koester and A. Renzini

Temperature determination of the cool DO white dwarf HD 149499B from EUVE observations. (1997) S. Jordan, R. Napiwotzki, D. Koester and T. Rauch

Other

Binary White Dwarfs in the Supernova Ia Progenitor Survey. (2007) R. Napiwotzki, C. Karl, G. Nelemans, L. Yungelson, N. Christlieb, H. Drechsel, U. Heber, D. Homeier, D. Koester, B. Leibundgut, T.R. Marsh, S. Moehler, A. Renzini and D. Reimers

Six New ZZ Ceti Stars from the SPY and the HQS Surveys. (2007) B. Voss, D. Koester, R. Ostensen, R. Napiwotzki, D. Homeier and D. Reimers

DAZ White Dwarfs in the SPY Sample. (2005) D. Koester, K. Rollenhagen, R. Napiwotzki, B. Voss, N. Christlieb, D. Homeier and D. Reimers

The Mass of the sdB Primary of the Binary HS 2333+3927. (2005) U. Heber, H. Drechsel, C. Karl, R. Ostensen, S. Folkes, R. Napiwotzki, M. Altmann, O. Cordes, J.E. Solheim, B. Voss and D. Koester

New Results from the Supernova Ia Progenitor Survey. (2005) R. Napiwotzki, C. Karl, G. Nelemans, L. Yungelson, N. Christlieb, H. Drechsel, U. Heber, D. Homeier, D. Koester, J. Kruk, B. Leibundgut, T.R. Marsh, S. Moehler, A. Renzini and D. Reimers

Rotation Velocities of DA White Dwarfs with Convective Atmospheres. (2005) C. Karl, U. Heber, R. Napiwotzki, S. Dreizler, D. Koester and I.N. Reid

Double Degenerate and Progenitors of Supernovae Type Ia. (2004) R. Napiwotzki, L. Yungelson, G. Nelemans, T.R. Marsh, B. Leibundgut, A. Renzini, D. Homeier, D. Koester, S. Moehler, N. Christlieb, D. Reimers, H. Drechsel, U. Heber, C. Karl and E.M. Pauli