GG
G. Gräfener
astro-ph.SRastro-ph.GAastro-ph.HEastro-phastro-ph.COastro-ph.IMExtraterrestrial Environmentphysics.gen-phStars, Celestial
On Valency
published · living versionsW_9yujjhqw·v1 · currentpublished
Properties of OB star-black hole systems derived from detailed binary evolution models
with N. Langer, C. Schürmann, K. Stoll, P. Marchant +36
1 version
W_xpxy4pkm·v1published
W_xqevda5t·v1published
W_5sugux6p·v1published
Preprints & journals
65 papers in the corpus · 2003–2026Multiplicity of Massive Stars at Low Metallicity: Early Results from the BLOeM Campaign2607.27395v1 · T. Shenar, J. Bodensteiner, M. Abdul-Masih et al.2026 · 0 citationsThe Messenger (ESO), Vol. 196, pp. 15-19 (2026)
Evolution of wide O star binaries through their LBV stage. Population synthesis with mass-ejection-driven orbital evolution2603.14840v2 · Xiao-Tian Xu, Philipp Podsiadlowski, Norbert Langer et al.2026 · 0 citationsarXiv
A high fraction of close massive binary stars at low metallicity2509.12488v1 · H. Sana, T. Shenar, J. Bodensteiner et al.2025 · 26 citationsNature Astronomy (2025)
Binarity at LOw Metallicity (BLOeM): a spectroscopic VLT monitoring survey of massive stars in the SMC2407.14593v3 · T. Shenar, J. Bodensteiner, H. Sana et al.2024 · 37 citationsA&A 690, A289 (2024)
Extinction towards the cluster R136 in the Large Magellanic Cloud: An extinction law from the near-infrared to the ultraviolet2303.09374v1 · Sarah A. Brands, Alex de Koter, Joachim M. Bestenlehner et al.2023 · 6 citationsA&A 673, A132 (2023)
Reverse Algols and hydrogen-rich Wolf-Rayet stars from very massive binaries2302.04491v1 · K. Sen (1, N. Langer (1, D. Pauli et al.2023 · 19 citationsA&A 672, A198 (2023)
Thermonuclear and Electron-Capture Supernovae from Stripped-Envelope Stars2201.00871v2 · Savvas Chanlaridis, John Antoniadis, David R. Aguilera-Dena et al.2022 · 15 citationsA&A 668, A106 (2022)
Stripped-Envelope Stars in Different Metallicity Environments I. Evolutionary Phases, Classification and Populations2112.06948v2 · David R. Aguilera-Dena, Norbert Langer, John Antoniadis et al.2021 · 29 citationsA&A 661, A60 (2022)
The Tarantula Massive Binary Monitoring V. R 144: a wind-eclipsing binary with a total mass > 140 Msun2104.03323v3 · T. Shenar, H. Sana, P. Marchant et al.2021 · 28 citationsA&A 650, A147 (2021)
Physics and evolution of the most massive stars in 30 Dor. Mass loss, envelope inflation, and a variable upper stellar mass limit2101.03837v1 · Gotz Grafener2021 · 33 citationsA&A 647, A13 (2021)
Wind-envelope interaction as the origin of the slow cyclic brightness variations of luminous blue variables2012.00023v2 · Luca Grassitelli, Norbert Langer, Jonathan Mackey et al.2020 · 50 citationsA&A 647, A99 (2021)
The R136 star cluster dissected with Hubble Space Telescope/STIS. II. Physical properties of the most massive stars in R1362009.05136v1 · Joachim M. Bestenlehner, Paul A. Crowther, Saida M. Caballero-Nieves et al.2020 · 107 citationsarXiv
X-rays observations of a super-Chandrasekhar object reveal an ONeMg and a CO white dwarf merger product embedded in a putative SN Iax remnant2008.10612v2 · Lidia M. Oskinova, Vasilii V. Gvaramadze, Goetz Graefener et al.2020 · 36 citationsarXiv
VLT/X-shooter spectroscopy of massive young stellar objects in the 30 Doradus region of the Large Magellanic Cloud2002.02690v1 · M.L. van Gelder, L. Kaper, J. Japelj et al.2020 · 13 citationsA&A 636, A54 (2020)
WR 72: a born-again planetary nebula with hydrogen-poor knots1912.11051v1 · V.V. Gvaramadze, A.Y. Kniazev, G. Graefener et al.2019 · 10 citationsarXiv
Properties of OB star-black hole systems derived from detailed binary evolution models1912.09826v2 · N. Langer, C. Schurmann, K. Stoll et al.2019 · 110 citationsA&A 638, A39 (2020)on Valency
The Tarantula Massive Binary Monitoring: III. Atmosphere analysis of double-lined spectroscopic systems1912.08107v1 · L. Mahy, H. Sana, M. Abdul-Masih et al.2019 · 67 citationsarXiv
The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters1904.04687v1 · W.-R. Hamann, G. Grafener, A. Liermann et al.2019 · 121 citationsA&A 625, A57 (2019)
The delay of shock breakout due to circumstellar material seen in most Type II Supernovae1809.06379v1 · F. Forster, T.J. Moriya, J.C. Maureira et al.2018 · 164 citationsNature Astronomy, 2018
Response to Comment on "An excess of massive stars in the local 30 Doradus starburst".30049852 · Schneider, Fabian R N, Sana, Hugues, Evans, Christopher J et al.2018 · 79 citationsScience (New York, N.Y.). 2018;361(6400)
The VLT-FLAMES Tarantula Survey. XXIX. Massive star formation in the local 30 Doradus starburst1807.03821v1 · F.R.N. Schneider, O.H. Ram'irez-Agudelo, F. Tramper et al.2018 · 103 citationsA&A 618, A73 (2018)
Subsonic structure and optically thick winds from Wolf--Rayet stars1803.03033v1 · Luca Grassitelli, Norbert Langer, Nathan J. Grin et al.2018 · 44 citationsarXiv
Type IIP supernova light curves affected by the acceleration of red supergiant winds1802.07752v2 · Takashi J. Moriya, Francisco Forster, Sung-Chul Yoon et al.2018 · 82 citationsMonthly Notices of the Royal Astronomical Society, Volume 476, Issue 2, p.2840-2851 (2018)
An excess of massive stars in the local 30 Doradus starburst.29302009 · Schneider, F R N, Sana, H, Evans, C J et al.2018 · 253 citationsScience (New York, N.Y.). 2018;359(6371):69-71
On the optically-thick winds of Wolf-Rayet stars1710.04543v1 · G. Grafener, S.P. Owocki, L. Grassitelli et al.2017 · 45 citationsA&A 608, A34 (2017)
Immediate dense circumstellar environment of supernova progenitors caused by wind acceleration: its effect on supernova light curves1703.03084v2 · Takashi J. Moriya, Sung-Chul Yoon, Gotz Grafener et al.2017 · 89 citationsMonthly Notices of the Royal Astronomical Society: Letters, vol. 469, issue 1, pp. L108-L112 (2017)
The VLT-FLAMES Tarantula Survey XXVI: Properties of the O-dwarf population in 30 Doradus1702.04773v1 · C. Sab'in-Sanjuli'an, S. Sim'on-D'iaz, A. Herrero et al.2017 · 63 citationsA&A 601, A79 (2017)
The VLT-FLAMES Tarantula Survey XXIV. Stellar properties of the O-type giants and supergiants in 30 Doradus1701.04758v3 · O.H. Ram'irez-Agudelo, H. Sana, A. de Koter et al.2017 · 89 citationsA&A 600, A81 (2017)
The Tarantula Massive Binary Monitoring project: II. A first SB2 orbital and spectroscopic analysis for the Wolf-Rayet binary R1451610.07614v1 · T. Shenar, N. D. Richardson, D. P. Sablowski et al.2016 · 58 citationsarXiv
The R136 star cluster dissected with Hubble Space Telescope/STIS. I. Far-ultraviolet spectroscopic census and the origin of HeII 1640 in young star clusters1603.04994v1 · Paul A. Crowther, S.M. Caballero-Nieves, K.A. Bostroem et al.2016 · 234 citationsMNRAS 458, 624-659 (2016)on Valency
Two bi-stability jumps in theoretical wind models for massive stars and the implications for Luminous Blue Variable supernovae1602.05868v1 · Blagovest Petrov, Jorick S. Vink, Gotz Grafener2016 · 68 citationsarXiv
Light-travel-time diagnostics in early Supernova spectra: substantial mass loss of the IIb progenitor of SN 2013cu through a superwind1510.00013v1 · G. Grafener, J. S. Vink2015 · 49 citationsarXiv
Discovery of the massive overcontact binary VFTS 352: Evidence for enhanced internal mixing1509.08940v1 · L.A. Almeida, H. Sana, S.E. de Mink et al.2015 · 71 citationsarXiv
The VLT-FLAMES Tarantula Survey XXI. Stellar spin rates of O-type spectroscopic binaries1507.02286v1 · O.H. Ram'irez-Agudelo, H. Sana, S.E. de Mink et al.2015 · 97 citationsA&A 580, A92 (2015)
Massive stars on the verge of exploding: the properties of oxygen sequence Wolf-Rayet stars1507.00839v1 · F. Tramper, S.M. Straal, D. Sanyal et al.2015 · 71 citationsA&A 581, A110 (2015)on Valency
Narrow He II emission in star-forming galaxies at low metallicity. Stellar wind emission from a population of Very Massive Stars1505.02994v2 · G. Grafener, J.S. Vink2015 · 57 citationsA&A 578, L2 (2015)
The evolution of rotating very massive stars with LMC composition1501.03794v1 · K. Kohler, N. Langer, A. de Koter et al.2015 · 172 citationsarXiv
The VLT-FLAMES Tarantula Survey XVII. Physical and wind properties of massive stars at the top of the main sequence1407.1837v1 · Joachim M. Bestenlehner, Gotz Grafener, Jorick S. Vink et al.2014 · 1 citationA&A 570, A38 (2014)
The VLT-FLAMES Tarantula Survey XVI. The optical+NIR extinction laws in 30 Doradus and the photometric determination of the effective temperatures of OB stars1402.3062v3 · J. Ma'iz Apell'aniz, C. J. Evans, R. H. Barb'a et al.2014 · 128 citationsarXiv
The Wolf-Rayet stars in the Large Magellanic Cloud: A comprehensive analysis of the WN class1401.5474v2 · R. Hainich, U. Ruhling, H. Todt et al.2014 · 215 citationsAstronomy & Astrophysics, Volume 565, A27, 62 pp. (2014)
On the nature of the WO3 star DR1 in IC 16131312.1555v1 · F. Tramper, G. Grafener, O.E. Hartoog et al.2013 · 0 citationsarXiv
On the nature of WO stars: a quantitative analysis of the WO3 star DR1 in IC 16131310.2849v1 · F. Tramper, G. Grafener, O.E. Hartoog et al.2013 · 24 citationsarXiv
Rotational properties of the O-type star population in the Tarantula region1309.7250v1 · O.H. Ram'irez-Agudelo, S. Sim'on-D'iaz, H. Sana et al.2013 · 0 citationsarXiv
Stellar mass-loss near the Eddington limit. Tracing the sub-photospheric layers of classical Wolf-Rayet stars1309.6236v2 · G. Grafener, J.S. Vink2013 · 50 citationsarXiv
The VLT-FLAMES Tarantula Survey XII. Rotational velocities of the single O-type stars1309.2929v1 · O.H. Ram'irez-Agudelo, S. Sim'on-D'iaz, H. Sana et al.2013 · 258 citationsarXiv
The VLT-FLAMES Tarantula Survey - XI. A census of the hot luminous stars and their feedback in 30 Doradus1308.3412v1 · E. I. Doran, P. A. Crowther, A. de Koter et al.2013 · 166 citationsarXivon Valency
Rotating Wolf-Rayet stars in a post RSG/LBV phase. An evolutionary channel towards long-duration GRBs?1210.1153v2 · G. Grafener, J. S. Vink, T. J. Harries et al.2012 · 42 citationsarXiv
On the nature and detectability of Type Ib/c supernova progenitors1207.3683v1 · S.-C. Yoon, G. Graefener, J. S. Vink et al.2012 · 97 citationsarXiv
The transition mass-loss rate: Calibrating the role of line-driven winds in massive star evolution1205.0394v1 · Jorick S. Vink, Gotz Grafener2012 · 91 citationsarXiv
The VLT-FLAMES Tarantula Survey IV: Candidates for isolated high-mass star formation in 30 Doradus1204.3628v2 · E. Bressert, N. Bastian, C. J. Evans et al.2012 · 68 citationsarXiv
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