Results 91 to 100 of about 7,215 (204)

The evolution of stars in the Taurus-Auriga T association

, 2007
In a recent study, individual parallaxes were determined for many stars of the Taurus-Auriga T association that are members of the same moving group. We use these new parallaxes to re-address the issue of the relationship between classical T Tauri stars (
Bertout, C., Cabrit, S., Siess, L.
core   +2 more sources

Haro 5-2: A New Pre-main-sequence Quadruple Stellar System

The Astronomical Journal
We have discovered that the H α emission-line star Haro 5-2, located in the 3–6 Myr old Ori OB1b association, is a young quadruple system. The system has a 2+2 configuration, with an outer separation of 2.″6 and with resolved subarcsecond inner binary ...
Bo Reipurth, C. Briceño, T. R. Geballe, C. Baranec, S. Mikkola, A. M. Cody, M. S. Connelley, C. Flores, B. A. Skiff, J. D. Armstrong, N. M. Law, R. Riddle   +11 more
doaj   +1 more source

Cool, warm and hot outflows from CTTS: The FUV view of DG Tau

EPJ Web of Conferences, 2014
Classical T Tauri stars (CTTSs) drive strong outflows with temperatures from about 103 K up to a few 106 K. These outflows regulate the angular momentum balance and are therefore tightly related to the accretion process.
Schneider P. C., Eislöffel J., Güdel M., Günther H.M., Herczeg G., Robrade J., Schmitt J.H.M.M.   +6 more
doaj   +1 more source

Variability of Southern T Tauri Stars. II. The Spectral Variability of the Classical T Tauri Star TW Hydrae [PDF]

, 2002
S. H. P. Alencar, Celso Batalha
openalex   +1 more source

Chandra Resolves the T Tauri Binary System RW Aur

, 2014
RW Aur is a multiple T Tauri system consisting of an early-K type primary (A) and a K5 companion (B) at a separation of 1.4 arcsec. RW Aur A drives a bipolar optical jet that is well-characterized optically.
Guedel, Manuel, Skinner, Stephen L.
core   +1 more source

Stochastic accretion of the Earth. [PDF]

Nat Astron, 2022
Sossi PA, Stotz IL, Jacobson SA, Morbidelli A, O'Neill HSC.   +4 more
europepmc   +1 more source

A Spectroastrometric Study of the Low-velocity Wind from DG Tau A

The Astrophysical Journal
We obtained high-spectral resolution spectra (Δ v ∼ 2.5 km s ^−1 ) for DG Tau A from 4800 Å to 7500 Å using Subaru High Dispersion Spectrograph for the first time. The low-velocity components (LVCs, ∣ v ∣ < 100 km s ^−1 ) were observed in the [O I ] 5577,
Yu-Ru Chou, Michihiro Takami, Shin-Ping Lai, Emma Whelan, Noah B. Otten, Min Fang, Akito Tajitsu, Masaaki Otsuka, Hsien Shang, Chun-Fan Liu, Jennifer Karr, Aisling Murphy   +11 more
doaj   +1 more source

Effects of Radiation in Accretion Regions of Classical T Tauri Stars: Pre-heating of accretion column in non-LTE regime [PDF]

, 2019
S. Colombo, L. Ibgui, S. Orlando, R. Rodrı́guez, G. Espinosa, M. González, C. Stehlé, L. de Sá, C. Argiroffi, R. Bonito, G. Pérès   +10 more
openalex   +1 more source

Spectroscopic characterization of X-ray emitting young stars associated with the Sh 2-296 nebula

, 2015
We studied a sample of stars associated with the Sh 2-296 nebula, part of the reflection nebulae complex in the region of Canis Major (CMa R1). Our sample corresponds to optical counterparts of X-ray sources detected from observations with the XMM-Newton
Fernandes, B., Gregorio-Hetem, J., Montmerle, T., Rojas, G.   +3 more
core   +2 more sources

Measuring the Spot Variability of T Tauri Stars Using Near-infrared Atomic Fe and Molecular OH Lines

The Astrophysical Journal
As part of the Young Exoplanets Spectroscopic Survey, this study explores the spot variability of 13 T Tauri Stars (TTSs) in the near-infrared H band, using spectra from the Immersion GRating INfrared Spectrometer.
Shih-Yun Tang, Christopher M. Johns-Krull, L. Prato, Asa G. Stahl   +3 more
doaj   +1 more source