Items where Author is "Karl, C."
Number of items: 22.
Article
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
Six detached white-dwarf close binaries. (2005)
L. Morales-Rueda,
P.F.L. Maxted,
G. Nelemans,
C. Karl,
R. Napiwotzki,
C. Moran
and
T.R. Marsh
Binaries discovered by the SPY project IV. Five single-lined DA double white dwarfs. (2005)
G. Nelemans,
R. Napiwotzki,
C. Karl,
T.R. Marsh,
B. Voss,
G. Roelofs,
R.G. Izzard,
M. Montgomery,
T. Reerink,
N. Christlieb
and
D. Reimers
Identification of a DO white dwarf and a PG 1159 star in the ESO SN Ia progenitor survey (SPY). (2004)
K. Werner,
T. Rauch,
R. Napiwotzki,
N. Christlieb,
D. Reimers
and
C. Karl
Close binary EHB stars from SPY. (2004)
R. Napiwotzki,
C. Karl,
T. Lisker,
U. Heber,
N. Christlieb,
D. Reimers,
G. Nelemans
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
2MASS J0516288+260738: Discovery of the first eclipsing late K + Brown dwarf binary system. (2003)
S.L. Schuh,
G. Handler,
H. Drechsel,
P. Hauschildt,
S. Dreizler,
R. Medupe,
C. Karl,
R. Napiwotzki,
S. Kim,
B.G. Park,
M. Wood,
M. Paparo,
B. Szeidl,
G. Viraghalmy,
D. Zsuffa,
O. Hashimoto,
K. Kinugasa,
H. Taguchi,
E. Kambe,
E. Leibowitz,
P. Ibbetson,
Y. Lipkin,
T. Nagel,
E. Gohler
and
M.L. Pretorius
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
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
Binaries discovered by the SPY project. I. HE 1047-0436: A subdwarf B white dwarf syste. (2001)
R. Napiwotzki,
H. Edelmann,
U. Heber,
C. Karl,
H. Drechsel,
E.M. Pauli
and
N. Christlieb
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
Other
Binary sdB Stars with Massive Compact Companions. (2008)
S. Geier,
C. Karl,
H. Edelmann,
U. Heber
and
R. Napiwotzki
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
Spectroscopic Analysis of Subluminous B Stars in Binaries with Compact Companions. (2007)
S. Geier,
C. Karl,
H. Edelmann,
U. Heber
and
R. Napiwotzki
Identification of a DO White Dwarf and a PG1159 Star in the ESO SN Ia Progenitor Survey (SPY). (2005)
K. Werner,
T. Rauch,
R. Napiwotzki,
N. Christlieb,
D. Reimers
and
C. Karl
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
Subdwarf B Binaries from the SPY Project. (2005)
C. Karl,
U. Heber
and
R. Napiwotzki
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