T-TAURI STARS
Long term variability of T Tauri stars using WASP
... young stars using data from the WASP ...classical T Tauri stars (CTTS), mostly in ...young stars monitoring over a month is sufficient to constrain the total amount of variability over ...
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The surface magnetic activity of the weak-line T Tauri stars TWA 9Aand V1095 Sco
... line T Tauri stars (wTTSs) TWA 9A and V1095 Sco as part of a wider survey of magnetic properties and activity in weak-line T Tauri stars, called MaTYSSE (Magnetic Topologies of ...
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Simulations of winds of weak lined T Tauri stars II : The effects of a tilted magnetosphere and planetary interactions
... Despite the existing knowledge of the surface magnetic fields in young stars, the global structure of the stel- lar magnetic field is unknown. Magnetic field extrap- olations from surface magnetograms using the ...
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CSI 2264 : accretion process in classical T Tauri stars in the young cluster NGC 2264
... burst stars present high mass-accretion rates and optically thick inner ...Classical T Tauri stars with spot-like light curves correspond mostly to systems with a low mass-accretion rate and ...
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Magnetic activity and hot Jupiters of young Suns : the weak line T Tauri stars V819 Tau and V830 Tau
... weak-line T Tauri stars (wTTSs) V819 Tau and V830 Tau within the MaTYSSE (Magnetic Topologies of Young Stars and the Survival of close-in giant Exoplanets) programme, involving the ESPaDOnS ...
14
Surface magnetic fields on two accreting T Tauri stars: CV Cha and CR Cha
... of T Tauri stars as they develop radiative cores does indeed alter their abil- ity to truncate their accretion disks, it may also alter the balance of magnetic and accretion torques that governs the ...
15
Magnetic activity and radial velocity filtering of young Suns : the weak line T Tauri stars Par 1379 and Par 2244
... Young Stars and the Survival of close- in giant Exoplanets) Large Programme, allocated at CFHT over semesters 2013a–2016b (510 h) with complementary observations with the NARVAL spectropolarimeter on the 2-m ...
20
The infrared line emitting regions of T Tauri protoplanetary disks
... These improved observational capabilities demand a more complex approach to understanding the data, such as using high- resolution 2D models. We can construct thermochemical models of T Tauri stars ...
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Optical Spectroscopic Monitoring Observations of a T Tauri Star V409 Tau
... Ae/Be stars and some T Tauri stars with early K spectral types ...rate stars are more likely to be observed through the circumstellar disk than low mass-accretion rate ...
14
Magnetic activity and hot Jupiters of young Suns: the weak line T Tauri stars V819 Tau and V830 Tau
... We further checked that the temporal variations of the RV residuals we report here do not correlate with activity (e.g., estimated from the core emission in Ca ii IRT lines, see Fig. 12), indicating that it cannot be ...
15
Young stars in the time domain
... But some T Tauri stars vary on time-scales of weeks, much shorter than the thermal wave period. The changes must arise near the disk inner edge, where the orbital period is about a week. On such ...
13
Classical T Tauri stars : magnetic fields, coronae, and star disc interactions
... infrared triplet (IRT) excess emission. The locations of this excess emission are shown for six of the stars as black contour lines in Fig. 8. For the cases of AA Tau and the V2129 Oph 2005 epoch, the predicted ...
19
Discovery of new dipper stars with K2 : a window into the inner disc region of T Tauri stars
... Several works have suggested that the photometric vari- ability of young T Tauri stars can be attributed to warps in the disk at the inner edge and/or accretion streams. Bouvier et al. (2003) suggest ...
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Photo-reverberation mapping of a protoplanetary accretion disk around a T Tauri star
... Be stars are “ classical, ” 14 ...Ae stars can be well described by a directly heated and back-warmed “ puffed-up ” inner rim at 1500 – 2000 K ( Eisner et ...mass T Tauri stars, many of ...
15
Modelling mid infrared molecular emission lines from T Tauri stars
... i T s computes the line emission spectra by ray tracing in an efficient, fast and reliable ...of T Tauri stars concerning line strengths, colour, and line ...
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Stellar energetic particle ionization in protoplanetary disks around T Tauri stars
... ical SP flux of f p (E p ≈ 10 MeV) ≈ 10 7 protons cm −2 s −1 (at 1 au) as commonly proposed for T Tauri stars and a particle energy distribution derived from measurements of solar particle events. ...
20
T Tauri stars : mass accretion and X ray emission
... T Tauri stars are highly variable, a feature which lead to their discovery by Joy ...young stars in various star forming regions. There are now 1700 stars with rotation period estimates ...
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Magnetospheric accretion on the fully convective classical T Tauri star DN Tau
... classical T Tauri stars or cTTSs) host magnetic fields strong enough to disrupt the central re- gions of their discs and to control accretion through discrete funnels linking the inner discs to the ...
17
The hot Jupiter of the magnetically active weak line T Tauri star V830 Tau
... Young Stars and the Survival of close-in giant Exoplanets) Large Programme, allocated at CFHT over semesters 2013a-2016b (510 hr) with complementary observations with the Nar- val spectropolarimeter on the 2-m ...
19
The Long-term Dynamical Evolution of Disk-fragmented Multiple Systems in the Solar Neighborhood
... solar-type stars in the more distant Galactic fi eld, as well as their free- fl oating siblings, both in the form of singles and ...Many stars in the Galactic fi eld are part of a binary or of a hierarchical ...
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