Works matching O stars

Results: 790

Nitrogen line spectroscopy in O-stars III. The earliest O-stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 543, n. 2, p. A95-1, doi. 10.1051/0004-6361/201218955

By:

Rivero González, J. G.;
Puls, J.;
Massey, P.;
Najarro, F.

Publication type:

Article

Nitrogen line spectroscopy in O-stars III. The earliest O-stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 543, n. 1, p. 1, doi. 10.1051/0004-6361/201218955

By:

Rivero González, J. G.;
Puls, J.;
Massey, P.;
Najarro, F.

Publication type:

Article

Light variations due to the line-driven wind instability and wind blanketing in O stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 617, p. N.PAG, doi. 10.1051/0004-6361/201731614

By:

Krtička, J.;
Feldmeier, A.

Publication type:

Article

Carbon line formation and spectroscopy in O-type stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 615, p. 1, doi. 10.1051/0004-6361/201731839

By:

Carneiro, L. P.;
Puls, J.;
Hoffmann, T. L.

Publication type:

Article

Optical-NIR dust extinction towards Galactic O stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 613, p. 1, doi. 10.1051/0004-6361/201732050

By:

Maíz Apellániz, J.;
Barbá, R. H.

Publication type:

Article

Dense molecular globulettes and the dust arc toward the runaway O star AE Aurigae (HD34078).

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 570, p. 1, doi. 10.1051/0004-6361/201423466

By:

Gratier, P.;
Pety, J.;
Boissé, P.;
Cabrit, S.;
Lesaffre, P.;
Gerin, M.;
des Forêts, G. Pineau

Publication type:

Article

ESTIMATING GAIA'S PERFORMANCE FOR O STARS IN THE OUTER GALACTIC PLANE USING HERSCHEL DATA.

Published in:

EAS Publications Series, 2014, v. 67/68, p. 397, doi. 10.1051/eas/1567085

By:

Rygl, K. L. J.;
Molinari, S.;
Prusti, T.;
Antoja, T.;
Elia, D.;
de Bruijne, J.

Publication type:

Article

Seismic models of O and B stars with Kurucz's opacity data.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 565, p. 1, doi. 10.1051/0004-6361/201220507

By:

Cugier, H.

Publication type:

Article

Rotating massive O stars with non-spherical 2D winds.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 564, p. 1, doi. 10.1051/0004-6361/201323031

By:

Müller, Patrick E.;
Vink, Jorick S.

Publication type:

Article

A Magnetized Disk around an O Star in W75N. A VLBI Map of the OH Maser.

Published in:

Astronomy Reports, 2001, v. 45, n. 12, p. 942, doi. 10.1134/1.1426124

By:

Slysh, V. I.;
Val’tts, I. E.;
Migenes, V.

Publication type:

Article

New Runaway O-stars Based on Data from HIPPARCOS.

Published in:

Astrophysics, 2004, v. 47, n. 2, p. 155, doi. 10.1023/B:ASYS.0000031830.18416.a5

By:

Mdzinarishvili, T. G.

Publication type:

Article

Fast Line-Profile Variability in the Spectra of O Stars.

Published in:

Astronomy Letters, 2003, v. 29, n. 3, p. 175, doi. 10.1134/1.1558157

By:

Kholtygin, A. F.;
Monin, D. N.;
Surkov, A. E.;
Fabrika, S. N.

Publication type:

Article

A new method for an objective, χ<sup>2</sup>-based spectroscopic analysis of early-type stars First results from its application to single and binary B- and late O-type stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 565, p. 1, doi. 10.1051/0004-6361/201323167

By:

Irrgang, A.;
Przybilla, N.;
Heber, U.;
Böck, M.;
Hanke, M.;
Nieva, M.-F.;
Butler, K.

Publication type:

Article

X1908+075: A Late O-Type Supergiant with a Neutron Star Companion.

Published in:

Astrophysics & Space Science, 2006, v. 304, n. 1-4, p. 295, doi. 10.1007/s10509-006-9135-7

By:

Morel, Thierry;
Grosdidier, Yves

Publication type:

Article

Magnetic characterization and variability study of the magnetic SPB star o Lupi.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 622, p. N.PAG, doi. 10.1051/0004-6361/201731913

By:

Buysschaert, B.;
Neiner, C.;
Martin, A. J.;
Oksala, M. E.;
Aerts, C.;
Tkachenko, A.;
Alecian, E.

Publication type:

Article

Nitrogen line spectroscopy of O-stars: II. Surface nitrogen abundances for O-stars in the Large Magellanic Cloud.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 537, p. 1, doi. 10.1051/0004-6361/201117790

By:

González, J. G. Rivero;
Puls, J.;
Najarro, F.;
Brott, I.

Publication type:

Article

Possible Overionization of C II, N II, and O II Ions in the Atmospheres of Early B- and Late O-Type Stars.

Published in:

Astrophysics, 2013, v. 56, n. 4, p. 472, doi. 10.1007/s10511-013-9301-x

By:

Lyubimkov, L. S.

Publication type:

Article

Structure of the Magnetic Field of Massive O Stars HD 37022, HD 191612, HD 149438.

Published in:

Astrophysical Bulletin, 2024, v. 79, n. 2, p. 260, doi. 10.1134/S1990341324600595

By:

Glagolevskij, Yu. V.

Publication type:

Article

Controlled Synthesis and Ti-O Bond Stability of Star-Shaped Biodegradable Polyesters via Titanate-Initiated ROP of Cyclic Esters at Ambient Temperature.

Published in:

Macromolecular Chemistry & Physics, 2012, v. 213, n. 14, p. 1499, doi. 10.1002/macp.201200073

By:

Fan, Jun-Bing;
Long, Feng;
Aldred, Matthew P.;
Li, Ya-Jing;
Liang, Zhi-Wu;
Zhu, Ming-Qiang

Publication type:

Article

Is the Pollock's paradigm of X-ray emission for O stars correct?

Published in:

Astronomische Nachrichten, 2017, v. 338, n. 8, p. 959, doi. 10.1002/asna.201713393

By:

Ryspaeva, E. B.;
Kholtygin, A. F.

Publication type:

Article

Substructures in the Keplerian disc around the O-type (proto-)star G17.64+0.16.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 627, p. 1, doi. 10.1051/0004-6361/201935633e

By:

Maud, L. T.;
Cesaroni, R.;
Kumar, M. S. N.;
Rivilla, V. M.;
Ginsburg, A.;
Klaassen, P. D.;
Harsono, D.;
Sánchez-Monge, Á.;
Ahmadi, A.;
Allen, V.;
Beltrán, M. T.;
Beuther, H.;
Galván-Madrid, R.;
Goddi, C.;
Hoare, M. G.;
Hogerheijde, M. R.;
Johnston, K. G.;
Kuiper, R.;
Moscadelli, L.;
Peters, T.

Publication type:

Article

Exploring circumstellar effects on the lithium and calcium abundances in massive Galactic O-rich AGB stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 623, p. N.PAG, doi. 10.1051/0004-6361/201834611

By:

Pérez-Mesa, V.;
Zamora, O.;
García-Hernández, D. A.;
Osorio, Y.;
Masseron, T.;
Plez, B.;
Manchado, A.;
Karakas, A. I.;
Lugaro, M.

Publication type:

Article

Surface abundances of CNO in Galactic O-stars: a pilot study with FASTWIND.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 623, p. N.PAG, doi. 10.1051/0004-6361/201833738

By:

Carneiro, L. P.;
Puls, J.;
Hoffmann, T. L.;
Holgado, G.;
Simón-Díaz, S.

Publication type:

Article

The IACOB project V. Spectroscopic parameters of the O-type stars in the modern grid of standards for spectral classification.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 613, p. 1, doi. 10.1051/0004-6361/201731543

By:

Holgado, G.;
Simón-Díaz, S.;
Barbá, R. H.;
Puls, J.;
Herrero, A.;
Castro, N.;
Garcia, M.;
Maíz Apellániz, J.;
Negueruela, I.;
Sabín-Sanjulián, C.

Publication type:

Article

Spectroscopic and physical parameters of Galactic O-type stars III. Mass discrepancy and rotational mixing.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 613, p. 1, doi. 10.1051/0004-6361/201731361

By:

Markova, N.;
Puls, J.;
Langer, N.

Publication type:

Article

Chasing discs around O-type (proto)stars: Evidence from ALMA observations.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 602, p. 1, doi. 10.1051/0004-6361/201630184

By:

Cesaroni, R.;
Sánchez-Monge, Á.;
Beltrán, M. T.;
Johnston, K. G.;
Maud, L. T.;
Moscadelli, L.;
Mottram, J. C.;
Ahmadi, A.;
Allen, V.;
Beuther, H.;
Csengeri, T.;
Etoka, S.;
Fuller, G. A.;
Galli, D.;
Galván-Madrid, R.;
Goddi, C.;
Henning, T.;
Hoare, M. G.;
Klaassen, P. D.;
Kuiper, R.

Publication type:

Article

IV. New predictions for high-degree non-radial mode instability domains in massive stars and their connection with macroturbulent broadening.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 597, p. 1, doi. 10.1051/0004-6361/201628856

By:

Godart, M.;
Simón-Díaz, S.;
Herrero, A.;
Dupret, M. A.;
Grötsch-Noels, A.;
Salmon, S. J. A. J.;
Ventura, P.

Publication type:

Article

The IACOB project.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 597, p. 1, doi. 10.1051/0004-6361/201628541

By:

Simón-Díaz, S.;
Godart, M.;
Castro, N.;
Herrero, A.;
Aerts, C.;
Puls, J.;
Telting, J.;
Grassitelli, L.

Publication type:

Article

A spectroscopic investigation of the O-type star population in four Cygnus OB associations.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 577, p. 1, doi. 10.1051/0004-6361/201321985

By:

Mahy, L.;
Rauw, G.;
De Becker, M.;
Eenens, P.;
Flores, C. A.

Publication type:

Article

The MiMeS survey of magnetism in massive stars: CNO surface abundances of Galactic O stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 575, p. 1, doi. 10.1051/0004-6361/201425173

By:

Martins, F.;
Hervé, A.;
Bouret, J.-C.;
Marcolino, W.;
Wade, G. A.;
Neiner, C.;
Alecian, E.;
Grunhut, J.;
Petit, V.

Publication type:

Article

Hot ammonia around young O-type stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 573, p. 1, doi. 10.1051/0004-6361/201424832

By:

Goddi, C.;
Zhang, Q.;
Moscadelli, L.

Publication type:

Article

The Na-O anticorrelation in horizontal branch stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 573, p. 1, doi. 10.1051/0004-6361/201424393

By:

Gratton, R. G.;
Lucatello, S.;
Sollima, A.;
Carretta, E.;
Bragaglia, A.;
Momany, Y.;
D'Orazi, V.;
Salaris, M.;
Cassisi, S.;
Stetson, P. B.

Publication type:

Article

On helium-dominated stellar evolution: the mysterious role of the O(He)-type stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 566, p. 1, doi. 10.1051/0004-6361/201423498

By:

Reindl, N.;
Rauch, T.;
Werner, K.;
Kruk, J. W.;
Todt, H.

Publication type:

Article

Circumstellar effects on the Rb abundances in O-rich AGB stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 564, p. 1, doi. 10.1051/0004-6361/201423626

By:

Zamora, O.;
García-Hernández, D. A.;
Plez, B.;
Manchado, A.

Publication type:

Article

The VLT-FLAMES Tarantula Survey XIII: On the nature of O Vz stars in 30 Doradus.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 564, p. 1, doi. 10.1051/0004-6361/201322798

By:

Sabín-Sanjulián, C.;
Simón-Díaz, S.;
Herrero, A.;
Walborn, N. R.;
Puls, J.;
Maíz Apellániz, J.;
Evans, C. J.;
Brott, I.;
de Koter, A.;
Garcia, M.;
Markova, N.;
Najarro, F.;
Ramírez-Agudelo, O. H.;
Sana, H.;
Taylor, W. D.;
Vink, J. S.

Publication type:

Article

The Na-O anticorrelation in horizontal branch stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 563, p. 1, doi. 10.1051/0004-6361/201323101

By:

Gratton, R. G.;
Lucatello, S.;
Sollima, A.;
Carretta, E.;
Bragaglia, A.;
Momany, Y.;
D'Orazi, V.;
Cassisi, S.;
Salaris, M.

Publication type:

Article

Spectroscopic and physical parameters of Galactic O-type stars: II. Observational constraints on projected rotational and extra broadening velocities as a function of fundamental parameters and stellar evolution.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 562, p. 1, doi. 10.1051/0004-6361/201322661

By:

Markova, N.;
Puls, J.;
Simón-Díaz, S.;
Herrero, A.;
Markov, H.;
Langer, N.

Publication type:

Article

The young stellar population of IC 1613 III. New O-type stars unveiled by GTC-OSIRIS.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 551, p. 1, doi. 10.1051/0004-6361/201219977

By:

Garcia, M.;
Herrero, A.

Publication type:

Article

A spectroscopic investigation of the O-type star population in four Cygnus OB associations: I. Determination of the binary fraction.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 550, p. 1, doi. 10.1051/0004-6361/201219425

By:

Mahy, L.;
Rauw, G.;
De Becker, M.;
Eenens, P.;
Flores, C. A.

Publication type:

Article

The VLT-FLAMES Tarantula Survey: VIII. Multiplicity properties of the O-type star population.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 550, p. 1, doi. 10.1051/0004-6361/201219621

By:

Sana, H.;
de Koter, A.;
de Mink, S. E.;
Dunstall, P. R.;
Evans, C. J.;
Hénault-Brunet, V.;
Maíz Apellániz, J.;
Ramírez-Agudelo, O. H.;
Taylor, W. D.;
Walborn, N. R.;
Clark, N. R.;
Crowther, P. A.;
Herrero, A.;
Gieles, M.;
Langer, N.;
Lennon, D. J.;
Vink, J. S.

Publication type:

Article

The nature of the high Galactic latitude O-star HD 93521: new results from X-ray and optical spectroscopy.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 546, n. 1, p. 1, doi. 10.1051/0004-6361/201219865

By:

Rauw, G.;
Morel, T.;
Palate, M.

Publication type:

Article

O-star mass-loss rates at low metallicity.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 543, n. 1, p. 1, doi. 10.1051/0004-6361/201219439

By:

Lucy, L. B.

Publication type:

Article

The Na-O anticorrelation in horizontal branch stars II. NGC 1851.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 539, p. 1, doi. 10.1051/0004-6361/201118491

By:

Gratton, R. G.;
Lucatello, S.;
Carretta, E.;
Bragaglia, A.;
D'Orazi, V.;
AlMomany, Y.;
Sollima, A.;
Salaris, M.;
Cassisi, S.

Publication type:

Article

A quantitative study of O stars in NGC 2244 and the Monoceros OB2 association*.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 538, p. 1, doi. 10.1051/0004-6361/201117458

By:

Martins, F.;
Mahy, L.;
Hillier, D. J.;
Rauw, G.

Publication type:

Article

Observational effects of magnetism in O stars: surface nitrogen abundances.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 538, p. 1, doi. 10.1051/0004-6361/201118039

By:

Martins, F.;
Escolano, C.;
Wade, G. A.;
Donati, J. F.;
Bouret, J. C.

Publication type:

Article

DISCOVERY OF RADIAL VELOCITY VARIABLE POST-AGB STARS FROM THE MUCHFUSS PROJECT.

Published in:

EAS Publications Series, 2015, v. 71/72, p. 135, doi. 10.1051/eas/1571028

By:

Reindl, N.;
Geier, S.;
Kupfer, T.;
Schaffenroth, V.;
Heber, U.;
Barlow, B. N.;
Østensen, R. H.

Publication type:

Article

DIFFUSE IONIZED GAS IN SPIRAL GALAXIES AND THE DISK-HALO INTERACTION.

Published in:

EAS Publications Series, 2012, v. 56, p. 213, doi. 10.1051/eas/1256034

By:

Reynolds, R. J.;
Haffner, L. M.;
Madsen, G. J.;
Wood, K.;
Hill, A. S.

Publication type:

Article

A comprehensive empirical investigation of Galactic fast-rotating O-type stars.

Published in:

Proceedings of the International Astronomical Union, 2024, v. 18, n. S361, p. 236, doi. 10.1017/S1743921322003283

By:

Britavskiy, N.;
Holgado, G.;
Simón-Díaz, S.;
Maíz Apellániz, J.;
Pantaleoni González, M.;
Nazé, Y.;
Burssens, S.;
Eldridge, J. J.

Publication type:

Article

Fundamental Properties of O and B Stars with Optical Interferometry.

Published in:

Proceedings of the International Astronomical Union, 2024, v. 18, n. S361, p. 382, doi. 10.1017/S1743921322002642

By:

Gordon, Kathryn D.;
Gies, Douglas R.;
Schaefer, Gail H.

Publication type:

Article

New self-consistent wind parameters to fit optical spectra of O-type stars.

Published in:

Proceedings of the International Astronomical Union, 2024, v. 18, n. S361, p. 190, doi. 10.1017/S1743921322002605

By:

Gormaz-Matamala, Alex Camilo

Publication type:

Article