Results 11 to 20 of about 7,215 (204)
Discovery of Two Different Full Disk Evolutionary Patterns of M-type T Tauri Stars with LAMOST DR8
The Astrophysical Journal, 2023 The full disk, full of gas and dust, determines the upper limit of planet masses, and its lifetime is critical for planet formation, especially for giant planets.
Hasitieer Haerken +4 more
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Magnetically modulated accretion in T Tauri stars [PDF]
, 1995 We examine how accretion on to T Tauri stars may be modulated by a time-dependent `magnetic gate' where the inner edge of the accretion disc is disrupted by a varying stellar field.
Armitage, P. J. +3 more
core +2 more sources
High-resolution [O i] Line Spectral Mapping of TW Hya Consistent with X-Ray-driven Photoevaporation
The Astrophysical Journal Letters, 2023 Theoretical models indicate that photoevaporative and magnetothermal winds play a crucial role in the evolution and dispersal of protoplanetary disks and affect the formation of planetary systems.
Christian Rab +4 more
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Search for young stars among ROSAT All-Sky Survey X-ray sources in and around the R CrA dark cloud [PDF]
, 2000 We present the ROSAT All-Sky Survey data in a 126 deg^2 area in and around the CrA star forming region. With low-resolution spectroscopy of unidentified ROSAT sources we could find 19 new pre-main sequence stars, two of which are classical T Tauri stars,
Alcala, Juan M. +8 more
core +2 more sources
A Magnetically Driven Disk Wind in the Inner Disk of PDS 70
The Astrophysical Journal, 2023 PDS 70 is so far the only young disk where multiple planets have been detected by direct imaging. The disk has a large cavity when seen at submillimeter and near-infrared wavelengths, which hosts two massive planets. This makes PDS 70 the ideal target to
Justyn Campbell-White +12 more
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Probable association of T Tauri stars with the L1014 dense core [PDF]
, 2006 Using the Wide Field Grism Spectrograph 2 (WFGS2), we have carried out slit-less spectroscopy, g'r'i' photometry, and slit spectroscopy on the L1014 dense core. We detected three Halpha emission line stars.
Ebizuka, Noboru +9 more
core +2 more sources
The Accretion History of EX Lup: A Century of Bursts, Outbursts, and Quiescence
The Astrophysical Journal, 2023 EX Lup is the archetype for the class of young stars that undergoes repeated accretion outbursts of ∼5 mag at optical wavelengths that last for months.
Mu-Tian Wang +13 more
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Accretion-powered chromospheres in classical T Tauri stars [PDF]
, 2011 (Abridged) Optical spectra of classical T Tauri stars (cTTS) are rich in emission lines of low-excitation species that are composed of narrow and broad components, related to two regions with different kinematics, densities, and temperatures.
Aiad +77 more
core +1 more source
THE MAGNETIC FIELD IMPACT ON ACCRETION RATE IN A PROTOPLANETARY DISK
Odessa Astronomical Publications, 2012 Recent observations are the evidence of a large-scale magnetic field in discs around classical T Tauri stars. A model of the axisymmetric thin protoplanetary disk in a global magnetic field is considered.
M. M. Kuksa
doaj +1 more source
The Astrophysical Journal, 2022 Very young ( t ≲ 10 Myr) stars possess strong magnetic fields that channel ionized gas from the interiors of their circumstellar disks to the surface of the star.
Hunter Campbell +23 more
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