Works matching O stars

Results: 798

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

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

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

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

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

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

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

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

Properties of O dwarf stars in 30 Doradus.

Published in:

Proceedings of the International Astronomical Union, 2016, v. 12, n. S329, p. 228, doi. 10.1017/S1743921317002800

By:

Sabín-Sanjulíán, Carolina

Publication type:

Article

New runaway O-type stars in the first Gaia Data Release.

Published in:

Proceedings of the International Astronomical Union, 2016, v. 12, n. S329, p. 136, doi. 10.1017/S1743921317001831

By:

Maíz Apellániz, Jesús;
Barbá, Rodolfo H.;
Simón-Díaz, Sergio;
Negueruela, Ignacio;
Trigueros Páez, Emilio

Publication type:

Article

Multiple, short-lived “stellar prominences” on O stars: the supergiant λ Cephei.

Published in:

Proceedings of the International Astronomical Union, 2014, v. 9, n. S307, p. 379, doi. 10.1017/S1743921314007169

By:

Henrichs, H. F.;
Sudnik, N.;
Meynet, Georges;
Georgy, Cyril;
Groh, José;
Stee, Philippe

Publication type:

Article

Constraining general massive-star physics by exploring the unique properties of magnetic O-stars: Rotation, macroturbulence & sub-surface convection.

Published in:

Proceedings of the International Astronomical Union, 2014, v. 9, n. S307, p. 353, doi. 10.1017/S1743921314007078

By:

Sundqvist, Jon O.;
Meynet, Georges;
Georgy, Cyril;
Groh, José;
Stee, Philippe

Publication type:

Article

The Role of Oxygen Abundances in Exoplanet Host Star C/O Ratios: A Case Study of 55 Cnc.

Published in:

Proceedings of the International Astronomical Union, 2013, v. 8, n. S299, p. 307, doi. 10.1017/S1743921313008727

By:

Teske, Johanna K.;
Cunha, Katia;
Smith, Verne V.;
Schuler, Simon C.;
Griffith, Caitlin A.

Publication type:

Article

Spectral analysis of the O(He)-type central stars of the planetary nebulae K 1-27 and LoTr 4.

Published in:

Proceedings of the International Astronomical Union, 2011, v. 7, n. S283, p. 482, doi. 10.1017/S1743921312012033

By:

Reindl, Nicole;
Ringat, Ellen;
Rauch, Thomas;
Werner, Klaus;
Kruk, Jeffrey. W.

Publication type:

Article

Magnetic fields in O-type stars measured with FORS 1 at the VLT.

Published in:

Proceedings of the International Astronomical Union, 2008, v. 4, n. S259, p. 381, doi. 10.1017/S1743921309030762

By:

Hubrig, Swetlana;
Schöller, M.;
Schnerr, R. S.;
Ilyin, I.;
Henrichs, H. F.;
Ignace, R.;
González, J. F.

Publication type:

Article

UCHII Regions and Newly Born O-type Stars.

Published in:

Proceedings of the International Astronomical Union, 2007, v. 3, n. S250, p. 285, doi. 10.1017/S1743921308020607

By:

Conti, Peter S.;
Rho, Jeonghee;
Furness, James;
Crowther, Paul A.

Publication type:

Article

X-ray Emission from O Stars.

Published in:

Proceedings of the International Astronomical Union, 2007, v. 3, n. S250, p. 17, doi. 10.1017/S1743921308020309

By:

Cohen, David H.

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

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

Stellar winds from hot low-mass stars.

Published in:

Astrophysics & Space Science, 2010, v. 329, n. 1/2, p. 151, doi. 10.1007/s10509-010-0344-8

By:

Hamann, W.-R.

Publication type:

Article

Water vapour masers in long-period variable stars: IV. Mira variables RCas, o Cet and R Leo.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2025, v. 699, p. 1, doi. 10.1051/0004-6361/202554822

By:

Brand, J.;
Engels, D.;
Zanichelli, A.;
Etoka, S.

Publication type:

Article

Empirical mass-loss rates and clumping properties of O-type stars in the Large Magellanic Cloud.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202348478

By:

Hawcroft, C.;
Mahy, L.;
Sana, H.;
Sundqvist, J. O.;
Abdul-Masih, M.;
Brands, S. A.;
Decin, L.;
de Koter, A.;
Puls, J.

Publication type:

Article

Unveiling very young O stars: Two Galactic O2V((f*))z in Westerlund 2.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 685, p. 1, doi. 10.1051/0004-6361/202449474

By:

Roman-Lopes, A.

Publication type:

Article

Multiplicity of northern bright O-type stars with optical long baseline interferometry: Results of the pilot survey.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202245364

By:

Lanthermann, C.;
Le Bouquin, J.-B.;
Sana, H.;
Mérand, A.;
Monnier, J. D.;
Perraut, K.;
Frost, A. J.;
Mahy, L.;
Gosset, E.;
De Becker, M.;
Kraus, S.;
Anugu, N.;
Davies, C. L.;
Ennis, J.;
Gardner, T.;
Labdon, A.;
Setterholm, B.;
ten Brummelaar, T.;
Schaefer, G. H.

Publication type:

Article

VIII. Searching for empirical signatures of binarity in fast-rotating O-type stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202245145

By:

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

Publication type:

Article

Quantitative spectroscopy of late O-type main-sequence stars with a hybrid non-LTE method.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 671, p. 1, doi. 10.1051/0004-6361/202244906

By:

Aschenbrenner, P.;
Przybilla, N.;
Butler, K.

Publication type:

Article

The Villafranca catalog of Galactic OB groups: II. From Gaia DR2 to EDR3 and ten new systems with O stars.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2022, v. 657, p. 1, doi. 10.1051/0004-6361/202142364

By:

Maíz Apellániz, J.;
Barbá, R. H.;
Fernández Aranda, R.;
Pantaleoni González, M.;
Crespo Bellido, P.;
Sota, A.;
Alfaro, E. J.

Publication type:

Article

Spectroscopic characterization of the known O-star population in Cygnus OB2: Evidence of multiple star-forming bursts.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 642, p. 1, doi. 10.1051/0004-6361/202039015

By:

Berlanas, S. R.;
Herrero, A.;
Comerón, F.;
Simón-Díaz, S.;
Lennon, D. J.;
Pasquali, A.;
Maíz Apellániz, J.;
Sota, A.;
Pellerín, A.

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