PD Dr. Stephan Geier

Dr.Karl-Remeis-Sternwarte Bamberg, Astronomisches Institut

Binaries discovered by the SPY survey: VI. Discovery of a low mass companion to the hot subluminous planetary nebula central star EGB5 - A recently ejected common envelope? (2011) Geier S, Napiwotzki R, Heber U, Nelemans G Journal article Substellar companions and the formation of hot subdwarf stars (2011) Geier S, Heber U, Tillich A, Hirsch H, Kupfer T, Schaffenroth V, Classen L, et al. Conference contribution Analysis of two eclipsing hot subdwarf binaries with a low mass stellar and a brown dwarf companion (2011) Schaffenroth V, Geier S, Heber U, Drechsel H, Østensen RH, Maxted PF, Kupfer T, Barlow BN Conference contribution Radial velocity search for substellar companions to sdB stars (2011) O'Toole S, Heber U, Geier S, Classen L, De Marco O Conference contribution Radial velocity survey of low-mass companions to sdB stars (2011) Classen L, Geier S, Heber U, O'Toole SJ Conference contribution The MUCHFUSS project - Searching for hot subdwarf binaries with massive unseen companions: Survey, target selection and atmospheric parameters (2011) Geier S, Hirsch H, Tillich A, Maxted PFL, Bentley SJ, Ostensen RH, Heber U, et al. Journal article Discovery of a stripped red giant core in a bright eclipsing binary system (2011) Maxted PFL, Anderson DR, Burleigh MR, Cameron AC, Heber U, Gaensicke BT, Geier S, et al. Journal article The HYPER-MUCHFUSS project-the constant high-velocity population (2010) Tillich A, Geier S, Heber U, Hirsch H, Maxted PFL, Marsh T, Gaensicke BT, et al. Journal article The cool companion of AA Doradus-Brown dwarf or late M star? (2010) Mueller S, Geier S, Heber U Journal article Metal abundances of subdwarf B stars-the extended sample (2010) Geier S, Heber U, Heber U, Edelmann H, Morales-Rueda L, Napiwotzki R Journal article