Publications (54)
SDSS J1152+0248: An eclipsing double white dwarf from the Kepler K2 campaign
N. Hallakoun, D. Maoz, M. Kilic +13
Hot subdwarf stars and their connection to thermonuclear supernovae
S. Geier, T. Kupfer, E. Ziegerer +4
The AM CVn binary SDSS J173047.59+554518.5
P. J. Carter, D. Steeghs, T. R. Marsh +4
A search for the hidden population of AM CVn binaries in the Sloan Digital Sky Survey
P. J. Carter, T. R. Marsh, D. Steeghs +7
The OmegaWhite Survey for Short-Period Variable Stars IV: Discovery of the warm DQ white dwarf OW J175358.85-310728.9
S. A. Macfarlane, P. A. Woudt, P. Dufour +10
Substellar companions and the formation of hot subdwarf stars
S. Geier, U. Heber, A. Tillich +12
Two new AM Canum Venaticorum binaries from the Sloan Digital Sky Survey III
P. J. Carter, B. T. Gänsicke, D. Steeghs +6
Binaries discovered by the MUCHFUSS project: SDSS J162256.66$+$473051.1 - An eclipsing subdwarf B binary with a brown dwarf companion
V. Schaffenroth, S. Geier, U. Heber +5
Close binary progenitors and ejected companions of thermonuclear supernovae
S. Geier, T. Kupfer, U. Heber +8
Orbital solutions of eight close sdB binaries and constraints on the nature of the unseen companions
S. Geier, R. H. Oestensen, U. Heber +9
Localization and broadband follow-up of the gravitational-wave transient GW150914
B. P. Abbott, R. Abbott, T. D. Abbott +1538
Spectral models for binary products: Unifying Subdwarfs and Wolf-Rayet stars as a sequence of stripped-envelope stars
Y. Götberg, S. E. de Mink, J. H. Groh +4
The population of white dwarf binaries with hot subdwarf companions
S. Geier, T. Kupfer, U. Heber +7
Analysis of Two Eclipsing Hot Subdwarf Binaries with a Low Mass Stellar and a Brown Dwarf Companion
V. Schaffenroth, S. Geier, U. Heber +6
Massive stars in the hinterland of the young cluster, Westerlund 2
J. E. Drew, A. Herrero, M. Mohr-Smith +4
iPTF Survey for Cool Transients
S. M. Adams, N. Blagorodnova, M. M. Kasliwal +25
Two New Calcium-Rich Gap Transients in Group and Cluster Environments
R. Lunnan, M. M. Kasliwal, Y. Cao +20
Massive unseen companions to hot faint underluminous stars from SDSS (MUCHFUSS) - Analysis of seven close subdwarf B binaries
S. Geier, P. F. L. Maxted, R. Napiwotzki +12
Sifting for Sapphires: Systematic Selection of Tidal Disruption Events in iPTF
T. Hung, S. Gezari, S. B. Cenko +15
KIC7668647: a 14 day beaming sdB+WD binary with a pulsating subdwarf
J. H. Telting, A. S. Baran, P. Nemeth +6
The MUCHFUSS project - Searching for the most massive companions to hot subdwarf stars in close binaries and finding the least massive ones
S. Geier, V. Schaffenroth, H. Hirsch +12
iPTF17cw: An engine-driven supernova candidate discovered independent of a gamma-ray trigger
A. Corsi, S. B. Cenko, M. M. Kasliwal +21
Discovery of a stripped red giant core in a bright eclipsing binary system
P. F. L. Maxted, D. R. Anderson, M. R. Burleigh +11
iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova
A. Goobar, R. Amanullah, S. R. Kulkarni +31
The OmegaWhite survey for short-period variable stars - V. Discovery of an ultracompact hot subdwarf binary with a compact companion in a 44 minute orbit
T. Kupfer, G. Ramsay, J. van Roestel +20
PSR J1024-0719: A Millisecond Pulsar in an Unusual Long-Period Orbit
D. L. Kaplan, T. Kupfer, D. J. Nice +32
The catalogue of radial velocity variable hot subluminous stars from the MUCHFUSS project
S. Geier, T. Kupfer, U. Heber +13
UVES and X-Shooter spectroscopy of the emission line AM CVn systems GP Com and V396 Hya
T. Kupfer, D. Steeghs, P. J. Groot +3
Orbital periods and Accretion disc structure of four AM CVn systems
T. Kupfer, P. J. Groot, D. Levitan +4
Detection of a 23.6 min periodic modulation in the optical counterpart of 3XMMJ051034.6--670353
G. Ramsay, T. Marsh, T. Kupfer +4
Hot subdwarf stars in close-up view I. Rotational properties of subdwarf B stars in close binary systems and nature of their unseen companions
S. Geier, U. Heber, Ph. Podsiadlowski +4
LISA verification binaries with updated distances from Gaia Data Release 2
T. Kupfer, V. Korol, S. Shah +6
Discovery of 36 eclipsing EL CVn binaries found by the Palomar Transient Factory
J. van Roestel, T. Kupfer, R. Ruiz-Carmona +6
Finding compact hot subdwarf binaries in the Galactic disc
T. Kupfer, S. Geier, A. Faye McLeod +15
The helium-rich cataclysmic variable SBSS 1108+574
P. J. Carter, D. Steeghs, E. de Miguel +12
MUCHFUSS - Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS
S. Geier, V. Schaffenroth, H. Hirsch +15
High-Speed Photometry of Gaia14aae: An Eclipsing AM CVn That Challenges Formation Models
M. J. Green, T. R. Marsh, D. T. H. Steeghs +19
Binaries discovered by the MUCHFUSS project SDSS J08205+0008 - An eclipsing subdwarf B binary with brown dwarf companion
S. Geier, V. Schaffenroth, H. Drechsel +11
A radio pulsing white dwarf binary star
T. R. Marsh, B. T. Gänsicke, S. Hümmerich +23
New HW Virginis Systems from the MUCHFUSS Project
V. Schaffenroth, S. Geier, I. Barbu-Barna +3
Spectroscopic twin to the hypervelocity sdO star US 708 and three fast sdB stars from the Hyper-MUCHFUSS project
E. Ziegerer, U. Heber, S. Geier +4
A progenitor binary and an ejected mass donor remnant of faint type Ia supernovae
S. Geier, T. R. Marsh, B. Wang +17
Pan-STARRS and PESSTO search for an optical counterpart to the LIGO gravitational wave source GW150914
S. J. Smartt, K. C. Chambers, K. W. Smith +48
Hot subdwarf binaries from the MUCHFUSS project - Analysis of 12 new systems and a study of the short-period binary population
T. Kupfer, S. Geier, U. Heber +6
Hot subdwarfs in the Galactic halo - Tracers of prominent events in late stellar evolution
S. Geier, T. Kupfer, V. Schaffenroth +2
Supplement: Localization and broadband follow-up of the gravitational-wave transient GW150914
B. P. Abbott, R. Abbott, T. D. Abbott +1538
Binaries discovered by the SPY project V. GD 687 - a massive double degenerate binary progenitor that will merge within a Hubble time
S. Geier, U. Heber, T. Kupfer +1
Illuminating Gravitational Waves: A Concordant Picture of Photons from a Neutron Star Merger
M. M. Kasliwal, E. Nakar, L. P. Singer +78
The Second Data Release of the INT Photometric H-Alpha Survey of the Northern Galactic Plane (IPHAS DR2)
Geert Barentsen, H. J. Farnhill, J. E. Drew +50
RV variable, hot post-AGB stars from the MUCHFUSS project - Classification, atmospheric parameters, formation scenarios
N. Reindl, S. Geier, T. Kupfer +5
Discovery of the closest hot subdwarf binary with white dwarf companion
S. Geier, T. R. Marsh, B. H. Dunlap +13
Discovery of a stripped red giant core in a bright eclipsing binary star
P. F. L. Maxted, D. R. Anderson, M. R. Burleigh +12
The fastest unbound star in our Galaxy ejected by a thermonuclear supernova
S. Geier, F. Fürst, E. Ziegerer +17
Phase resolved spectroscopy and Kepler photometry of the ultracompact AM CVn binary SDSS J190817.07+394036.4
T. Kupfer, P. J. Groot, S. Bloemen +8