GH
G. Holgado
astro-ph.SRastro-ph.GAastro-ph.IMastro-ph.EPastro-ph.HEphysics.gen-ph
On Valency
published · living versionsW_p5cm7cyy·v1 · currentpublished
Multiplicity of Massive stars in the Milky Way (M3W). II. The brightest single O stars: variability and systemic velocities
with J. Maíz Apellániz, E. Madero Fuentes, M. Pantaleoni González, A. Cifuentes Santos +7
1 version
W_pgxhv7hh·v1published
Preprints & journals
44 papers in the corpus · 2016–2026Spectral classification of OB-type stars using tree-based ensemble methods and evaluation of their explainability2609.18590v1 · J.E. Gonzales, S. Sim'on-D'iaz, S. Cuellar et al.2026 · 0 citationsarXiv
Results on young stellar clusters with the WEAVE LIFU2609.15211v1 · J. Ma'iz Apell'aniz, G. Holgado, C. Farina et al.2026 · 0 citationsarXiv
The IACOB project XVIII. Prevalence of short-period binaries among Galactic helium rich O-type stars2608.05421v1 · C. Mart'inez-Sebasti'an, R. Gamen, O. G. Benvenuto et al.2026 · 0 citationsarXiv
Multiplicity 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)
SpecFANN: Spectral Fitting via Artificial Neural Networks I. A deep learning based fastwind emulator and fitting suite2607.17348v1 · M. Abdul-Masih, C. Hawcroft, T. Lechien et al.2026 · 0 citationsarXiv
The IACOB project: XVII. Nitrogen abundances in Galactic O-type stars: further hints for separating binary-interaction products from effectively single stars2604.26606v2 · C. Mart'inez-Sebasti'an, G. Holgado, S. Sim'on-D'iaz et al.2026 · 0 citationsarXiv
Multiplicity of Massive stars in the Milky Way (M3W). I. Project description, UNWIND, application to GLS 11 448, and DIB catalog2604.02111v3 · J. Ma'iz Apell'aniz, R. C. Gamen, G. Holgado et al.2026 · 0 citationsarXiv
The IACOB project: XVI. Surface helium abundances in Galactic O-type stars: indications for identifying binary interaction products2601.20698v2 · S. Sim'on-D'iaz, G. Holgado, C. Mart'inez-Sebasti'an et al.2026 · 0 citationsarXiv
Binarity at LOw Metallicity (BLOeM): Projected rotational velocities2512.12102v2 · D. J. Lennon, S. R. Berlanas, A. Herrero et al.2025 · 6 citationsarXiv
An observational study of rotation and binarity of Galactic O-type runaway stars2510.21577v1 · M. Carretero-Castrillo, M. Rib'o, J. M. Paredes et al.2025 · 5 citationsarXiv
One century data of {\tau} CMa: a (2+1)+1 system with a short-period overcontact binary and an eccentric intermediate orbit with probably no apsidal motion2510.16202v1 · Sophie Rosu, Jes'us Ma'iz Apell'aniz, Luca Sciarini et al.2025 · 0 citationsarXiv
Predicting Stellar Parameters of Massive Stars from Light Curves with Machine Learning2509.12411v2 · Rachel C. Zhang, Kaze W. K. Wong, Gonzalo Holgado et al.2025 · 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)
The IACOB project XV. Updated calibrations of fundamental parameters of Galactic O-type stars2508.05233v3 · G. Holgado, S. Sim'on-D'iaz, A. Herrero2025 · 5 citationsA&A 703, A175 (2025)
MONOS: Multiplicity Of Northern O-type Spectroscopic systems. III. New orbits and Gaia TESS analysis for 10 SB2E systems2508.04272v1 · G. Holgado, J. Ma'iz Apell'aniz, R.C. Gamen2025 · 1 citationA&A 701, A246 (2025)
The OVz stars in NGC 346: distribution, stellar parameters and insights into low-metallicity effects2506.19190v1 · Leidy Arango, Julia Arias, Gonzalo Holgado et al.2025 · 0 citationsA&A 700, A44 (2025)
A magnetic field detection in the massive O-type bright giant 63 Oph2505.11374v2 · James A. Barron, Gregg A. Wade, Gonzalo Holgado et al.2025 · 0 citationsApJ, 991, 79 (2025)
Binarity at LOw Metallicity (BLOeM): Enhanced multiplicity of early B-type dwarfs and giants at 2503.21936v4 · J. I. Villasenor, H. Sana, L. Mahy et al.2025 · 14 citationsA&A 698, A41 (2025)
Spindown of massive main sequence stars in the Milky Way2502.12107v1 · K. Nathaniel, N. Langer, S. Sim'on-D'iaz et al.2025 · 5 citationsA&A 702, A197 (2025)
Binarity at LOw Metallicity (BLOeM): Multiplicity of early B-type supergiants in the Small Magellanic Cloud2502.12239v2 · N. Britavskiy, L. Mahy, D. J. Lennon et al.2025 · 2 citationsA&A 698, A40 (2025)
Binarity at Low Metallicity (BLOeM) -- Multiplicity properties of Oe and Be stars2502.02641v1 · J. Bodensteiner, T. Shenar, H. Sana et al.2025 · 2 citationsA&A 698, A38 (2025)
The IACOB project XIV. New clues on the location of the TAMS in the massive star domain2501.17984v2 · A. de Burgos, S. Sim'on-D'iaz, M. A. Urbaneja et al.2025 · 10 citationsA&A 695, A87 (2025)
A Non-Stop Aurora? The Intriguing Radio Emission from the Rapidly Rotating Magnetic Massive Star HR 59072501.10813v1 · Ayan Biswas, Barnali Das, James A. Barron et al.2025 · 1 citationarXiv
Multi-Epoch precise photometry from the ground: MUDEHaR, magnetic stars and everything around2412.20453v1 · G. Holgado, J. Ma'iz Apell'aniz, J. A. Caballero2024 · 0 citationsarXiv
The IACOB project XIII. Helium enrichment in O-type stars as a tracer of past binary interaction2412.14107v1 · C. Mart'inez-Sebasti'an, S. Sim'on-D'iaz, H. Jin et al.2024 · 11 citationsA&A 693, L10 (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)
The IACOB project: CVIII. Hunting for spectroscopic binaries in the O and B supergiant domain.The threat of pulsational variability2405.11209v1 · S. Sim'on-D'iaz, N. Britavskiy, N. Castro et al.2024 · 1 citationarXiv
Stellar variability in Gaia DR3. I. Three-band photometric dispersions for 145 million sources2304.14249v2 · J. Ma'iz Apell'aniz, G. Holgado, M. Pantaleoni Gonz'alez et al.2023 · 28 citationsA&A 677, A137 (2023)
The IACOB project VIII. Searching for empirical signatures of binarity in fast-rotating O-type stars2302.01349v2 · N. Britavskiy, S. Sim'on-D'iaz, G. Holgado et al.2023 · 25 citationsA&A 672, A22 (2023)
The IACOB project. VII. The rotational properties of Galactic massive O-type stars revisited2207.12776v1 · G. Holgado, S. Sim'on-D'iaz, A. Herrero et al.2022 · 59 citationsA&A 665, A150 (2022)
The Gaia-ESO Survey: The analysis of the hot-star spectra2202.08662v2 · R. Blomme, S. Daflon, M. Gebran et al.2022 · 19 citationsA&A 661, A120 (2022)
The GALANTE photometric survey of the northern Galactic plane: Project description and pipeline2106.09451v1 · J. Ma'iz Apell'aniz, E. J. Alfaro, R. H. Barb'a et al.2021 · 8 citationsarXiv
MONOS.II. Orbit review and analysis for 35 single-lined spectroscopic binary systems and candidates2106.08865v2 · E. Trigueros P'aez (1, R. H. Barb'a, I. Negueruela et al.2021 · 25 citationsA&A 655, A4 (2021)
Convective core sizes in rotating massive stars: I. Constraints from solar metallicity OB field stars2103.03672v1 · S. Martinet, G. Meynet, S. Ekstrom et al.2021 · 47 citationsA&A 648, A126 (2021)
Lucky spectroscopy, an equivalent technique to Lucky Imaging: II. Spatially-resolved intermediate-resolution blue-violet spectroscopy of 19 close massive binaries using the William Herschel Telescope2011.12250v1 · J. Ma'iz Apell'aniz, R. H. Barb'a, C. Farina et al.2020 · 20 citationsA&A 646, A11 (2021)
CARMENES input catalogue of M dwarfs V. Luminosities, colours, and spectral energy distributions2007.15077v1 · C. Cifuentes, J. A. Caballero, M. Cortes-Contreras et al.2020 · 168 citationsA&A 642, A115 (2020)
Variability of OB stars from TESS southern Sectors 1-13 and high-resolution IACOB and OWN spectroscopy2005.09658v2 · S. Burssens, S. Sim'on-D'iaz, D. M. Bowman et al.2020 · 110 citationsA&A 639, A81 (2020)
The IACOB project. VI. On the elusive detection of massive O-type stars close to the ZAMS2005.05446v3 · G. Holgado, S. Sim'on-D'iaz, L. Haemmerl'e et al.2020 · 2 citationsA&A 638, A157 (2020)
A giant exoplanet orbiting a very low-mass star challenges planet formation models1909.12174v1 · J. C. Morales, A. J. Mustill, I. Ribas et al.2019 · 132 citationsarXiv
High-resolution spectroscopy of Boyajian's star during optical dimming events1812.06837v1 · M. J. Mart'inez Gonz'alez, C. Gonz'alez-Fern'andez, A. Asensio Ramos et al.2018 · 3 citationsarXiv
The First Post-Kepler Brightness Dips of KIC 84628521801.00732v1 · Tabetha S. Boyajian, Roi Alonso, Alex Ammerman et al.2018 · 56 citationsarXivon Valency
The IACOB project. V. Spectroscopic parameters of the O-type stars in the modern grid of standards for spectral classification1711.10043v2 · G. Holgado (1, S. Sim'on-D'iaz (1, R.H.Barb'a et al.2017 · 2 citationsA&A 613, A65 (2018)
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)
Physical characterization of Galactic O-type stars targeted by the IACOB and OWN surveys1611.02634v1 · G. Holgado, S. Sim'on-D'iaz, R. H. Barb'a2016 · 0 citationsarXiv
Career total: at least 141 works. 44 are in this corpus.
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