Publications (41)
The Hamburg/SAO Survey for Emission--Line Galaxies. IV. The Fourth List of 119 Galaxies
A. Y. Kniazev, D. Engels, S. A. Pustilnik +11
Intergalactic HeII absorption towards QSO 1157+3143
D. Reimers, C. Fechner, H. -J. Hagen +3
The CARMENES search for exoplanets around M dwarfs: High-resolution optical and near-infrared spectroscopy of 324 survey stars
A. Reiners, M. Zechmeister, J. A. Caballero +170
HS0907+1902: a new 4.2hr eclipsing dwarf nova
B. T. Gaensicke, R. E. Fried, H. -J. Hagen +5
Spectral analysis of sdB stars from the Hamburg Quasar Survey
H. Edelmann, U. Heber, H. -J. Hagen +4
1RXSJ062518.2+733433: A new intermediate polar
S. Araujo-Betancor, B. T. Gaensicke, H. -J. Hagen +2
The Hamburg/SAO Survey for Emission-Line Galaxies. III. The Third List of 81 Galaxies
U. Hopp, D. Engels, R. F. Green +10
Search for progenitors of supnernovae type Ia with SPY
R. Napiwotzki, N. Christlieb, H. Drechsel +13
SW Sextantis stars: the dominant population of CVs with orbital periods between 3-4 hours
P. Rodriguez-Gil, B. T. Gaensicke, H. -J. Hagen +15
Fluctuations of the intergalactic ionization field at redshift z ~ 2
I. I. Agafonova, S. A. Levshakov, D. Reimers +2
The Hamburg/SAO Survey for Emission--Line Galaxies. V. The Fifth List of 161 Galaxies
A. V. Ugryumov, D. Engels, A. Y. Kniazev +12
The Hamburg/RASS optical identification project
F. -J. Zickgraf, D. Engels, H. -J. Hagen +1
The mysterious nature of HS2331+3905
S. Araujo-Betancor, B. T. Gaensicke, H. -J. Hagen +5
The CARMENES search for exoplanets around M dwarfs - HD 147379b: A nearby Neptune in the temperate zone of an early-M dwarf
A. Reiners, I. Ribas, M. Zechmeister +169
Search for double degenerate progenitors of supernovae type Ia with SPY
R. Napiwotzki, N. Christlieb, H. Drechsel +13
HS 2134+0400 - new very metal-poor galaxy, a representative of void population?
S. A. Pustilnik, D. Engels, A. Y. Kniazev +3
HS 1603+3820: a bright z(em)=2.51 quasar with a very rich heavy element absorption spectrum
A. Dobrzycki, D. Engels, H. -J. Hagen
HS1857+5144: A hot and young pre-cataclysmic variable
A. Aungwerojwit, B. T. Gaensicke, P. Rodriguez-Gil +5
The EUV variability of the luminous QSO HS 1700+6416
D. Reimers, H. -J. Hagen, J. Schramm +2
The Antares emission nebula and mass loss of alpha Sco A
D. Reimers, H. -J. Hagen, R. Baade +1
The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources
F. -J. Zickgraf, D. Engels, H. -J. Hagen +2
HS0551+7241: A New Possible Magnetic Cataclysmic Variable in the Hamburg/CfA Bright Quasar Survey
D. Dobrzycka, A. Dobrzycki, D. Engels +1
The Hamburg/SAO survey for emission-line galaxies. VI. The sixth list of 126 galaxies
S. A. Pustilnik, D. Engels, V. A. Lipovetsky +12
HS2237+8154: On the onset of mass transfer or entering the period gap?
B. T. Gaensicke, S. Araujo-Betancor, H. -J. Hagen +4
The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems
T. Trifonov, M. Kürster, M. Zechmeister +166
Time-resolved photometry and spectroscopy of the new deeply-eclipsing SW Sextantis star HS 0728+6738
P. Rodriguez-Gil, B. T. Gaensicke, H. Barwig +2
Detection of the white dwarf and the secondary star in the new SU UMa dwarf nova HS 2219+1824
P. Rodriguez-Gil, B. T. Gaensicke, H. -J. Hagen +4
Search for double degenerate progenitors of supernovae type Ia with SPY
R. Napiwotzki, H. Drechsel, U. Heber +13
SBS 0909+532: A New Double Gravitational Lens or Binary Quasar?
C. S. Kochanek, E. E. Falco, R. Schild +3
An evolved donor star in the long-period cataclysmic variable HS 0218+3229
P. RodrÃguez-Gil, M. A. P. Torres, B. T. Gänsicke +5
A hydrodynamic study of the circumstellar envelope of alpha Scorpii
K. Braun, R. Baade, D. Reimers +1
HS0139+0559, HS0229+8016, HS0506+7725 and HS0642+5049: Four new long-period cataclysmic variables
A. Aungwerojwit, B. T. Gaensicke, P. Rodriguez-Gil +9
A giant exoplanet orbiting a very low-mass star challenges planet formation models
J. C. Morales, A. J. Mustill, I. Ribas +179
HS 0943+1404, a true intermediate polar
P. Rodriguez-Gil, B. T. Gaensicke, H. -J. Hagen +7
Dwarf novae in the Hamburg Quasar Survey: Rarer than expected
A. Aungwerojwit, B. T. Gaensicke, P. Rodriguez-Gil +12
Spectrum radial velocity analyser (SERVAL). High-precision radial velocities and two alternative spectral indicators
M. Zechmeister, A. Reiners, P. J. Amado +18
Properties of a spectroscopically selected CV sample
Boris T. Gaensicke, H. -J. Hagen, D. Engels
The CARMENES search for exoplanets around M dwarfs Detection of a mini-Neptune around LSPM J2116+0234 and refinement of orbital parameters of a super-Earth around GJ 686 (BD+18 3421)
S. Lalitha, D. Baroch, J. C. Morales +34
Spectral shape of the UV ionizing background and OVI absorbers at z ~ 1.5 towards HS0747+4259
D. Reimers, I. I. Agafonova, S. A. Levshakov +5
The CARMENES search for exoplanets around M dwarfs: Nine new double-line spectroscopic binary stars
D. Baroch, J. C. Morales, I. Ribas +27
HS2331+3905: The cataclysmic variable that has it all
S. Araujo-Betancor, B. T. Gaensicke, H. -J. Hagen +6