activity
20102015
most citedAstrometric follow-up observations of directly imaged sub-stellar companions to young stars and brown dwarfs

73 citations · 251 across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.EP2015★ 18 cited

WASP-14 b: Transit Timing analysis of 19 light curves

St. Raetz, G. Maciejewski, M. Seeliger +11

Although WASP-14 b is one of the most massive and densest exoplanets on a tight and eccentric orbit, it has never been a target of photometric follow-up monitoring or dedicated obs…

astro-ph.EP2014★ 73 cited

Astrometric follow-up observations of directly imaged sub-stellar companions to young stars and brown dwarfs

C. Ginski, T. O. B. Schmidt, M. Mugrauer +4

The formation of massive planetary or brown dwarf companions at large projected separations from their host star is not yet well understood. In order to put constraints on formatio…

astro-ph.SR2014★ 37 cited

Transit timing of TrES-2: a combined analysis of ground- and space-based photometry

St. Raetz, G. Maciejewski, Ch. Ginski +21

Homogeneous observations and careful analysis of transit light curves can lead to the identification of transit timing variations (TTVs). TrES-2 is one of few exoplanets, which off…

astro-ph.SR2014★ 8 cited

Investigation of a transiting planet candidate in Trumpler 37: an astrophysical false positive eclipsing spectroscopic binary star

R. Errmann, G. Torres, T. O. B. Schmidt +50

We report our investigation of the first transiting planet candidate from the YETI project in the young (~4 Myr old) open cluster Trumpler 37. The transit-like signal detected in t…

astro-ph.EP2013★ 57 cited

Multi-site campaign for transit timing variations of WASP-12 b: possible detection of a long-period signal of planetary origin

G. Maciejewski, D. Dimitrov, M. Seeliger +38

The transiting planet WASP-12 b was identified as a potential target for transit timing studies because a departure from a linear ephemeris was reported in the literature. Such dev…

astro-ph.SR2012★ 12 cited

A Possible Detection of Occultation by a Proto-planetary Clump in GM Cephei

The YETI Collaboration, W. P. Chen, S. C. -L. Hu +41

GM Cep in the young (~4 Myr) open cluster Trumpler 37 has been known to be an abrupt variable and to have a circumstellar disk with very active accretion. Our monitoring observatio…

astro-ph.SR2011★ 1 cited

A new flare star member candidate in the Pleiades cluster

M. Moualla, T. O. B. Schmidt, R. Neuhäuser +19

We present a new flare star, which was discovered during our survey on a selected field at the edge of the Pleiades cluster. The field was observed in the period 2007 - 2010 with t…

astro-ph.SR2011★ 33 cited

Young Exoplanet Transit Initiative (YETI)

R. Neuhäuser, R. Errmann, A. Berndt +80

We present the Young Exoplanet Transit Initiative (YETI), in which we use several 0.2 to 2.6m telescopes around the world to monitor continuously young (< 100 Myr), nearby (< 1 kpc…

astro-ph.SR2011★ 12 cited

The nearby eclipsing stellar system delta Velorum. II. First reliable orbit for the eclipsing pair

T. Pribulla, A. Merand, P. Kervella +8

Context. The nearby multiple system delta Velorum contains a widely detached eclipsing binary and a third component. Aims. We take advantage of this system offering the opportunity…

astro-ph.EP2010

Towards the Rosetta Stone of planet formation

G. Maciejewski, R. Neuhaeuser, R. Errmann +18

Transiting exoplanets (TEPs) observed just about 10 Myrs after formation of their host systems may serve as the Rosetta Stone for planet formation theories. They would give strong…