Results 61 to 70 of about 206 (176)

Captured at millimeter wavelengths: a flare from the classical T Tauri star DQ Tauri [PDF]

Astronomy & Astrophysics, 2008
For several hours on 2008 April 19 the T Tauri spectroscopic binary DQ Tau was observed to brighten, reaching a maximum detected flux of 468 mJy and likely making it (briefly) the brightest object at 3 mm in the Taurus star-forming region. We present the light curve of a rarely before observed millimeter flare originating in the region around a pre ...
Salter, D. M., Hogerheijde, M. R., Blake, G. A.   +2 more
openaire   +3 more sources

Variable X-Ray Emission of the Planet Hosting T Tauri Star CI Tau

The Astronomical Journal
We report results of Chandra X-ray observations of CI Tau, a young magnetically active classical T Tauri star for which previous studies have reported periodic variability attributed to a massive planet in a short-period orbit.
Stephen L. Skinner, Manuel Güdel
doaj   +1 more source

Observational clues to the physics at the magnetosphere in young stellar objects

EPJ Web of Conferences, 2014
Classical T Tauri stars offer an excellent laboratory to study the accretion process and star-disk interaction, which define the transfer of mass and angular momentum in the system. The interaction takes place very close to the star, in a region of about
Alencar Silvia H. P.
doaj   +1 more source

Magnetospheric accretion on the fully convective classical T Tauri star DN Tau [PDF]

Monthly Notices of the Royal Astronomical Society, 2013
We report here results of spectropolarimetric observations of the classical T Tauri star DN Tau carried out (at 2 epochs) with ESPaDOnS at the Canada-France-Hawaii Telescope within the `Magnetic Protostars and Planets' programme. We infer that DN Tau, with a photospheric temperature of 3,950+-50 K, a luminosity of 0.8+-0.2 Lsun and a rotation period of
Donati, JF, Gregory, SG, Alencar, SHP, Hussain, G, Bouvier, J, Jardine, MM, Menard, F, Dougados, C, Romanova, MM, collaboration, the MaPP   +9 more
openaire   +5 more sources

ACROSS LANGUAGE BORDERS: WRITING INTEGRATION AND BELONGING IN KINDERTRANSPORT DIARIES

German Life and Letters, Volume 79, Issue 2, Page 129-147, April 2026.
ABSTRACT The diaries of six Kindertransport refugees who fled Nazi persecution in Germany and Austria to Britain in 1938 and 1939 offer unique insights into how language use reflects negotiations of identity and belonging. Moving beyond traditional concepts of bilingualism, a translingual framework reveals how these young refugees navigated between ...
Monja Stahlberger
wiley   +1 more source

Large‐scale reproductive loss in sheep due to Border disease virus infection, New South Wales, Australia

Australian Veterinary Journal, Volume 104, Issue 3, Page 137-149, March 2026.
Border disease viruses (BDV) and bovine viral diarrhoea viruses (BVDV) are members of the Pestivirus genus in the family Flaviviridae. While BVDV is one of the most significant endemic viral infections of cattle in Australia, BDV infection is generally considered to be uncommon in Australian sheep.
K Parrish, ZB Spiers, MS Hazelton, KH Walker, E Duggan, W Graham, DS Finlaison, PD Kirkland   +7 more
wiley   +1 more source

Photosynthesis under far‐red light—evolutionary adaptations and bioengineering of light‐harvesting complexes

FEBS Letters, Volume 600, Issue 2, Page 164-187, January 2026.
Phototrophs evolved light‐harvesting systems adapted for efficient photon capture in habitats enriched in far‐red radiation. A subset of eukaryotic pigment‐binding proteins can absorb far‐red photons via low‐energy chlorophyll states known as red forms.
Antonello Amelii, Edoardo Andrea Cutolo, Daniele Montepietra, Claudia Battarra, Roberto Caferri, Stefano Capaldi, Zeno Guardini, Luca Dall'Osto, Roberto Bassi   +8 more
wiley   +1 more source

The circumstellar environment of the young, low-mass dipper star JH 223

Astronomy & Astrophysics
Context. Studies of magnetospheric accretion and magnetic field topology in T Tauri stars have advanced over the years, but their applications to fully convective, very-low-mass T Tauri stars remain relatively unexplored. Aims.
Freitas T. P., Bouvier J., Zaire B., Alencar S. H. P., Sousa A. P., Rebull L., Bayo A., Frasca A., Alonso-Santiago J., Grankin K., Contreras Peña C., Cody A. M., Hillenbrand L. A., Carmona A.   +13 more
doaj   +1 more source

Lyα Scattering Models Trace Accretion and Outflow Kinematics in T Tauri Systems

The Astrophysical Journal, 2023
T Tauri stars produce broad Ly α emission lines that contribute ∼88% of the total UV flux incident on the inner circumstellar disks. Ly α photons are generated at the accretion shocks and in the protostellar chromospheres and must travel through ...
Nicole Arulanantham, Max Gronke, Eleonora Fiorellino, Jorge Filipe Gameiro, Antonio Frasca, Joel Green, Seok-Jun Chang, Rik A. B. Claes, Catherine C. Espaillat, Kevin France, Gregory J. Herczeg, Carlo F. Manara, Laura Venuti, Péter Ábrahám, Richard Alexander, Jerome Bouvier, Justyn Campbell-White, Jochen Eislöffel, William J. Fischer, Ágnes Kóspál, Miguel Vioque   +20 more
doaj   +1 more source

Ferroelectric HZO Thin Films for FEFETs: Crystal Structure‐Device Performance Relationship

Advanced Electronic Materials, Volume 12, Issue 1, 7 January 2026.
Crystal Structure of HZO Thin Films Methods of Thin Film Deposition 1T‐FeFET Design Influence on Ferroelectric Properties FeFET Applications Recent Advances and Challenges ORTHORHOMBIC HEARTBEAT. Abstract The rapid development of hafnium zirconium oxide (HZO) thin films has established ferroelectric field‐effect transistors (FeFETs) as strong ...
Harsha Ragini Aturi, Ramana Murthy Gajula, Deepshikha Rathore   +2 more
wiley   +1 more source