Works matching DE "STELLAR chromospheres"

Results: 109

On the 2800 MgII Radiation field in binary star envelopes.

Published in:

Astrophysics & Space Science, 2003, v. 286, n. 3/4, p. 515, doi. 10.1023/A:1026396931347

By:

Gurzadyan, G.A.

Publication type:

Article

Evaluating Mean Magnetic Field in Flare Loops.

Published in:

Solar Physics, 2009, v. 255, n. 1, p. 107, doi. 10.1007/s11207-009-9316-y

By:

Jiong Qiu;
Gary, Dale E.;
Fleishman, Gregory D.

Publication type:

Article

A filament eruption on the RS CVn-type star UX Ari.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2025, v. 695, p. 1, doi. 10.1051/0004-6361/202452857

By:

Cao, Dongtao;
Gu, Shenghong

Publication type:

Article

No Maunder Minimum phase in HD 4915.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 691, p. 1, doi. 10.1051/0004-6361/202452023

By:

Flores Trivigno, M.;
Buccino, A. P.;
González, E.;
Colombo, P. D.;
González, C.;
Jaque Arancibia, M.;
Ibañez Bustos, R. V.;
Saffe, C.;
Miquelarena, P.;
Alacoria, J.;
Collado, A.

Publication type:

Article

Coronal and chromospheric activity of Teegarden's star.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 691, p. 1, doi. 10.1051/0004-6361/202451697

By:

Fuhrmeister, B.;
Schmitt, J. H. M. M.;
Reiners, A.;
Czesla, S.;
Béjar, V. J. S.;
Caballero, J.;
Eislöffel, J.;
Henning, Th.;
Morales, J. C.;
Quirrenbach, A.;
Ribas, I.;
Robrade, J.;
Schneider, P. C.;
Zechmeister, M.

Publication type:

Article

Chemical abundances in nearby Sun-like stars and the history of the Milky Way disc.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202449820

By:

Gondoin, P.

Publication type:

Article

Stellar Population Astrophysics (SPA) with the TNG: Measurement of the He I 10 830 Å line in the open cluster Stock 2.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 687, p. 1, doi. 10.1051/0004-6361/202449476

By:

Jian, Mingjie;
Fu, Xiaoting;
Matsunaga, Noriyuki;
D'Orazi, Valentina;
Bragaglia, Angela;
Taniguchi, Daisuke;
Fang, Min;
Sanna, Nicoletta;
Lucatello, Sara;
Frasca, Antonio;
Alonso-Santiago, Javier;
Catanzaro, Giovanni;
Oliva, Ernesto

Publication type:

Article

A multi-wavelength view of the multiple activity cycles of ξ Eridani.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202245201

By:

Fuhrmeister, B.;
Coffaro, M.;
Stelzer, B.;
Mittag, M.;
Czesla, S.;
Schneider, P. C.

Publication type:

Article

A machine learning approach for correcting radial velocities using physical observables.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202245092

By:

Perger, M.;
Anglada-Escudé, G.;
Baroch, D.;
Lafarga, M.;
Ribas, I.;
Morales, J. C.;
Herrero, E.;
Amado, P. J.;
Barnes, J. R.;
Caballero, J. A.;
Jeffers, S. V.;
Quirrenbach, A.;
Reiners, A.

Publication type:

Article

Infrared He I 10830 Å, ultra-violet Ca II, and Mg II chromosphere emissions in the spectra of classical Cepheid X Cyg.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 671, p. 1, doi. 10.1051/0004-6361/202245384

By:

Andrievsky, S. M.;
Kovtyukh, V. V.;
Korotin, S. A.

Publication type:

Article

New members of the Lupus I cloud based on Gaia astrometry: Physical and accretion properties from X-shooter spectra.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 671, p. 1, doi. 10.1051/0004-6361/202245261

By:

Majidi, F. Z.;
Alcalá, J. M.;
Frasca, A.;
Desidera, S.;
Manara, C. F.;
Beccari, G.;
D'Orazi, V.;
Bayo, A.;
Biazzo, K.;
Claudi, R.;
Covino, E.;
Mantovan, G.;
Montalto, M.;
Nardiello, D.;
Piotto, G.;
Rigliaco, E.

Publication type:

Article

The CARMENES search for exoplanets around M dwarfs: Diagnostic capabilities of strong K I lines for photosphere and chromosphere.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2022, v. 657, p. 1, doi. 10.1051/0004-6361/202141733

By:

Fuhrmeister, B.;
Czesla, S.;
Nagel, E.;
Reiners, A.;
Schmitt, J. H. M. M.;
Jeffers, S. V.;
Caballero, J. A.;
Shulyak, D.;
Johnson, E. N.;
Zechmeister, M.;
Montes, D.;
López-Gallifa, Á.;
Ribas, I.;
Quirrenbach, A.;
Amado, P. J.;
Galadí-Enríquez, D.;
Hatzes, A. P.;
Kürster, M.;
Danielski, C.;
Béjar, V. J. S.

Publication type:

Article

The Radiation Environment of Exoplanet Atmospheres.

Published in:

Challenges (20781547), 2014, v. 5, n. 2, p. 351, doi. 10.3390/challe5020351

By:

Linsky, Jeffrey L.

Publication type:

Article

A Global Survey of EUV Coronal Power Spectra.

Published in:

Solar Physics, 2019, v. 294, n. 1, p. 1, doi. 10.1007/s11207-019-1399-5

By:

Battams, Karl;
Gallagher, Brendan M.;
Weigel, Robert S.

Publication type:

Article

Magnetic fields of chemically peculiar and related stars. I. Main results of 2014 and near-future prospects.

Published in:

Astrophysical Bulletin, 2015, v. 70, n. 2, p. 191, doi. 10.1134/S1990341315020054

By:

Romanyuk, I.

Publication type:

Article

Hα chromospheric activity of F-, G-, and K-type stars observed by the LAMOST medium-resolution spectroscopic survey.

Published in:

Astrophysics & Space Science, 2023, v. 368, n. 7, p. 1, doi. 10.1007/s10509-023-04219-w

By:

He, Han;
Zhang, Weitao;
Zhang, Haotong;
Wang, Song;
Luo, Ali;
Zhang, Jun

Publication type:

Article

X-ray stars observed in LAMOST spectral survey.

Published in:

Astrophysics & Space Science, 2018, v. 363, n. 5, p. 1, doi. 10.1007/s10509-018-3328-8

By:

Lu, Hong-peng;
Zhang, Li-yun;
Han, Xianming L.;
Shi, Jianrong

Publication type:

Article

Theoretical basal Ca II fluxes for late-type stars: results from magnetic wave models with time-dependent ionization and multi-level radiation treatments.

Published in:

Astrophysics & Space Science, 2018, v. 363, n. 3, p. 0, doi. 10.1007/s10509-018-3281-6

By:

Fawzy, Diaa E.;
Stȩpień, K.

Publication type:

Article

Small-scale Langmuir wave instability in preflare chromosphere of solar active region.

Published in:

Astrophysics & Space Science, 2014, v. 349, n. 2, p. 637, doi. 10.1007/s10509-013-1665-1

By:

Kryshtal, A.;
Gerasimenko, S.;
Voitsekhovska, A.

Publication type:

Article

Magnetic activity optimal tracers: from radio to X-ray; the relevance of UV astronomy.

Published in:

Astrophysics & Space Science, 2008, v. 320, n. 1-3, p. 115, doi. 10.1007/s10509-008-9821-8

By:

Pagano, Isabella

Publication type:

Article

Chromospheric Activity and Orbital Solution of Six New Late-type Spectroscopic Binary Systems.

Published in:

Astrophysics & Space Science, 2006, v. 304, n. 1-4, p. 59, doi. 10.1007/s10509-006-9074-3

By:

Gálvez, M. C.;
Montes, D.;
Fernández-Figueroa, M. J.;
López-Santiago, J.

Publication type:

Article

LU Vel (GJ 375): A M3.5Ve Flare and Double-Lined Spectroscopic Binary.

Published in:

Astrophysics & Space Science, 2006, v. 304, n. 1-4, p. 367, doi. 10.1007/s10509-006-9163-3

By:

Montes, D.;
Gálvez, M. C.;
Fernández-Figueroa, M. J.;
Crespo-Chacón, I.

Publication type:

Article

Late-type X-ray Emitting Binaries in the Solar Neighborhood and in Star Forming Regions.

Published in:

Astrophysics & Space Science, 2006, v. 304, n. 1-4, p. 17, doi. 10.1007/s10509-006-9095-y

By:

Frasca, Antonio;
Marilli, Ettore;
Guillout, Patrick;
Ferrero, Rubens Freire;
Covino, Elvira;
Alcalá, Juan M.

Publication type:

Article

Key problems in cool-star astrophysics.

Published in:

Astrophysics & Space Science, 2006, v. 303, n. 1-4, p. 17, doi. 10.1007/s10509-005-9018-3

By:

Pagano, Isabella;
Ayres, Thomas;
Lanzafame, Alessandro;
Linsky, Jeffrey;
Montesinos, Benjamín;
Marcello-Rodonò

Publication type:

Article

Evolutionary status of UV Piscium and its comparison with other short period RS CVn binaries.

Published in:

Astrophysics & Space Science, 2005, v. 298, n. 3, p. 461, doi. 10.1007/s10509-005-5836-6

By:

Rao, P. Vivekananda;
Pendharkar, Jayant K.

Publication type:

Article

Self-Collimated Stationary Disk Winds.

Published in:

Astrophysics & Space Science, 2004, v. 292, n. 1-4, p. 479, doi. 10.1023/B:ASTR.0000045053.99877.8b

By:

Ferreira, Jonathan;
Casse, Fabien

Publication type:

Article

The roundchroms of contact binaries.

Published in:

Astrophysics & Space Science, 2003, v. 288, n. 4, p. 531, doi. 10.1023/B:ASTR.0000005091.56507.e7

By:

Gurzadyan, G.A.

Publication type:

Article

The GAPS programme at TNG: XXVI. Magnetic activity in M stars: spectroscopic monitoring of AD Leonis.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 642, p. 1, doi. 10.1051/0004-6361/202038011

By:

Di Maio, C.;
Argiroffi, C.;
Micela, G.;
Benatti, S.;
Lanza, A. F.;
Scandariato, G.;
Maldonado, J.;
Maggio, A.;
Affer, L.;
Claudi, R.

Publication type:

Article

The CARMENES search for exoplanets around M dwarfs: Variability of the He I line at 10 830 Å.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 640, p. 1, doi. 10.1051/0004-6361/202038279

By:

Fuhrmeister, B.;
Czesla, S.;
Hildebrandt, L.;
Nagel, E.;
Schmitt, J. H. M. M.;
Jeffers, S. V.;
Caballero, J. A.;
Hintz, D.;
Johnson, E. N.;
Schöfer, P.;
Zechmeister, M.;
Reiners, A.;
Ribas, I.;
Amado, P. J.;
Quirrenbach, A.;
Nortmann, L.;
Bauer, F. F.;
Béjar, V. J. S.;
Cortés-Contreras, M.;
Dreizler, S.

Publication type:

Article

Is the primary CoRoT target HD 43587 under a Maunder minimum phase?

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 640, p. 1, doi. 10.1051/0004-6361/201937219

By:

Ferreira, R. R.;
Barbosa, R.;
Castro, M.;
Guerrero, G.;
de Almeida, L.;
Boumier, P.;
do Nascimento, J.-D.

Publication type:

Article

Chromospheric activity in bright contact binary stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 635, p. 1, doi. 10.1051/0004-6361/201937214

By:

Mitnyan, T.;
Szalai, T.;
Bódi, A.;
Kriskovics, L.;
Vida, K.;
Cseh, B.;
Hanyecz, O.;
Ordasi, A.;
Pál, A.;
Vinkó, J.

Publication type:

Article

The Hubble PanCET program: an extensive search for metallic ions in the exosphere of GJ 436 b.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 629, p. 1, doi. 10.1051/0004-6361/201935663

By:

dos Santos, L. A.;
Ehrenreich, D.;
Bourrier, V.;
Lecavelier des Etangs, A.;
López-Morales, M.;
Sing, D. K.;
Ballester, G.;
Ben-Jaffel, L.;
Buchhave, L. A.;
García Muñoz, A.;
Henry, G. W.;
Kataria, T.;
Lavie, B.;
Lavvas, P.;
Lewis, N. K.;
Mikal-Evans, T.;
Sanz-Forcada, J.;
Wakeford, H.

Publication type:

Article

Temporal changes of the flare activity of Proxima Centauri.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 626, p. 1, doi. 10.1051/0004-6361/201834258

By:

Pavlenko, Ya. V.;
Suárez Mascareño, A.;
Zapatero Osorio, M. R.;
Rebolo, R.;
Lodieu, N.;
Béjar, V. J. S.;
González Hernández, J. I.;
Mohorian, M.

Publication type:

Article

The CARMENES search for exoplanets around M dwarfs: Chromospheric modeling of M 2–3 V stars with PHOENIX.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 623, p. N.PAG, doi. 10.1051/0004-6361/201834788

By:

Hintz, D.;
Fuhrmeister, B.;
Czesla, S.;
Schmitt, J. H. M. M.;
Johnson, E. N.;
Schweitzer, A.;
Caballero, J. A.;
Zechmeister, M.;
Jeffers, S. V.;
Reiners, A.;
Ribas, I.;
Amado, P. J.;
Quirrenbach, A.;
Anglada-Escudé, G.;
Bauer, F. F.;
Béjar, V. J. S.;
Cortés-Contreras, M.;
Dreizler, S.;
Galadí-Enríquez, D.;
Guenther, E. W.

Publication type:

Article

The CARMENES search for exoplanets around M dwarfs: Period search in Hα, Na I D, and Ca II IRT lines.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 623, p. N.PAG, doi. 10.1051/0004-6361/201834483

By:

Fuhrmeister, B.;
Czesla, S.;
Schmitt, J. H. M. M.;
Johnson, E. N.;
Schöfer, P.;
Jeffers, S. V.;
Caballero, J. A.;
Zechmeister, M.;
Reiners, A.;
Ribas, I.;
Amado, P. J.;
Quirrenbach, A.;
Bauer, F.;
Béjar, V. J. S.;
Cortés-Contreras, M.;
Díez Alonso, E.;
Dreizler, S.;
Galadí-Enríquez, D.;
Guenther, E. W.;
Kaminski, A.

Publication type:

Article

Chromospheric observations and magnetic configuration of a supergranular structure.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 621, p. N.PAG, doi. 10.1051/0004-6361/201833246

By:

Robustini, Carolina;
Esteban Pozuelo, Sara;
Leenaarts, Jorrit;
de la Cruz Rodríguez, Jaime

Publication type:

Article

Magnetic field variations associated with umbral flashes and penumbral waves.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 619, p. N.PAG, doi. 10.1051/0004-6361/201832955

By:

Joshi, Jayant;
de la Cruz Rodríguez, Jaime

Publication type:

Article

Observations of solar chromospheric heating at sub-arcsec spatial resolution.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 617, p. N.PAG, doi. 10.1051/0004-6361/201833276

By:

Smitha, H. N.;
Chitta, L. P.;
Wiegelmann, T.;
Solanki, S. K.

Publication type:

Article

Spectroscopic EUV observations of impulsive solar energetic particle event sources.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 617, p. N.PAG, doi. 10.1051/0004-6361/201833120

By:

Bučík, R.;
Fludra, A.;
Gómez-Herrero, R.;
Innes, D. E.;
Kellett, B.;
Kumar, R.;
Mackovjak, Š.

Publication type:

Article

Temporal evolution of arch filaments as seen in He I 10 830 Å.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 617, p. N.PAG, doi. 10.1051/0004-6361/201832684

By:

González Manrique, S. J.;
Kuckein, C.;
Collados, M.;
Denker, C.;
Solanki, S. K.;
Gömöry, P.;
Verma, M.;
Balthasar, H.;
Lagg, A.;
Diercke, A.

Publication type:

Article

The CARMENES search for exoplanets around M dwarfs: Wing asymmetries of Hα, Na I D, and He I lines.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 615, p. 1, doi. 10.1051/0004-6361/201732204

By:

Fuhrmeister, B.;
Czesla, S.;
Schmitt, J. H. M. M.;
Jeffers, S. V.;
Caballero, J. A.;
Zechmeister, M.;
Reiners, A.;
Ribas, I.;
Amado, P. J.;
Quirrenbach, A.;
Béjar, V. J. S.;
Galadí-Enríquez, D.;
Guenther, E. W.;
Kürster, M.;
Montes, D.;
Seifert, W.

Publication type:

Article

The chromosphere above a δ-sunspot in the presence of fan-shaped jets.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 609, p. 1, doi. 10.1051/0004-6361/201731504

By:

Robustini, Carolina;
Leenaarts, Jorrit;
de la Cruz Rodríguez, Jaime

Publication type:

Article

Stellar rotation periods determined from simultaneously measured Ca II H&K and Ca II IRT lines.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 607, p. 1, doi. 10.1051/0004-6361/201630262

By:

Mittag, M.;
Hempelmann, A.;
Schmitt, J. H. M. M.;
Fuhrmeister, B.;
González-Pérez, J. N.;
Schröder, K.-P.

Publication type:

Article

Three-dimensional hydrodynamical CO<sup>5</sup>BOLD model atmospheres of red giant stars: VI. First chromosphere model of a late-type giant.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 606, p. 1, doi. 10.1051/0004-6361/201730405

By:

Wedemeyer, Sven;
Kučinskas, Arūnas;
Klevas, Jonas;
Ludwig, Hans-Günter

Publication type:

Article

An extensive VLT/X-shooter library of photospheric templates of pre-main sequence stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 605, p. 1, doi. 10.1051/0004-6361/201730807

By:

Manara, C. F.;
Frasca, A.;
Alcalá, J. M.;
Natta, A.;
Stelzer, B.;
Testi, L.

Publication type:

Article

X-shooter spectroscopy of young stellar objects in Lupus: Atmospheric parameters, membership, and activity diagnostics.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 602, p. 1, doi. 10.1051/0004-6361/201630108

By:

Frasca, A.;
Biazzo, K.;
Alcalá, J. M.;
Manara, C. F.;
Stelzer, B.;
Antoniucci, S.

Publication type:

Article

The effect of ISM absorption on stellar activity measurements and its relevance for exoplanet studies.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 601, p. 1, doi. 10.1051/0004-6361/201630339

By:

Fossati, L.;
Marcelja, S. E.;
Staab, D.;
Cubillos, P. E.;
France, K.;
Haswell, C. A.;
Ingrassia, S.;
Jenkins, J. S.;
Koskinen, T.;
Lanza, A. F.;
Redfield, S.;
Youngblood, A.;
Pelzmann, G.

Publication type:

Article

Further evidence for a sub-year magnetic chromospheric activity cycle and activity phase jumps in the planet host τ Boötis.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 600, p. 1, doi. 10.1051/0004-6361/201629429

By:

Schmitt, J. H. M. M.;
Mittag, M.

Publication type:

Article

Four-month chromospheric and coronal activity cycle in τ Boötis.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 600, p. 1, doi. 10.1051/0004-6361/201629156

By:

Mittag, M.;
Robrade, J.;
Schmitt, J. H. M. M.;
Hempelmann, A.;
González-Pérez, J. N.;
Schröder, K.-P.

Publication type:

Article

Fine structure of the age-chromospheric activity relation in solar-type stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2016, v. 595, p. 1, doi. 10.1051/0004-6361/201628825

By:

Lorenzo-Oliveira, D.;
Porto De Mello, G. F.;
Dutra-Ferreira, L.;
Ribas, I.

Publication type:

Article