RG
R. de Grijs
astro-ph.GAastro-ph.SRastro-phphysics.hist-phastro-ph.COastro-ph.IMastro-ph.EPastro-ph.HEAlgorithmsBinary systems
On Valency
published · living versionsW_pfyqn86g·v1 · currentpublished
A Neutron Star with a Massive Progenitor in Westerlund 1
with M. P. Muno, J. S. Clark, P. A. Crowther, S. M. Dougherty +7
1 version
Preprints & journals
279 papers in the corpus · 1997–2026Transients and Stellar Activity as Revealed by Ultraviolet Diagnostic Tracers2610.19313v1 · Richard de Grijs, Martin A. Barstow, Deepak Chahal et al.2026 · 0 citationsarXiv
Investigating the Young Stellar Populations and Hierarchies in Nearby Galaxies with the UVIT. III. Evidence for a Largest Scale of Correlated Stellar Structures and a Non-universal Fractal Dimension2609.01065v1 · Gairola Shashank, Smitha Subramanian, Shyam H. Menon et al.2026 · 0 citationsarXiv
Star Clusters in the Ultraviolet2607.08917v1 · Annapurni Subramaniam, Samyaday Choudhury, Richard de Grijs et al.2026 · 0 citationsarXiv
The GALAH Survey: Neutron-Capture Elemental Abundances for 350,000 Gaia-RVS spectra and the Chemodynamics of Accreted Structures2606.04567v2 · Pradosh Barun Das, Daniel B. Zucker, Aldo Mura-Guzm'an et al.2026 · 0 citationsMon. Not. R. Astron. Soc. 550, 1-24 (2026)
Fifty years of primordial helium abundances: A statistical reanalysis2606.03192v1 · Nabil Husain, Richard de Grijs, Giuseppe Bono2026 · 0 citationsarXiv
Mars in the Australian Press, 1875-1899. 2. Circulation and Attribution2603.22905v1 · Richard de Grijs2026 · 0 citationsarXiv
Mars excitement in Australian newspapers, 1877-1899: Humour and the public negotiation of astronomical knowledge2603.22906v1 · Richard de Grijs2026 · 0 citationsJournal of Astronomy in Culture, 3, 1 (2026)
Mars in the Australian Press, 1875-1899. 1. Interpretation, Authority and Planetary Science2603.23563v1 · Richard de Grijs2026 · 0 citationsarXiv
Searching for and characterizing halo substructures with the GALAH DR4 survey2602.19647v1 · Iryna Kushniruk, Kristopher Youakim, Karin Lind et al.2026 · 0 citationsA&A 709, A69 (2026)
Marking Noon: The Time Balls and Time Flaps of the Netherlands2602.19364v1 · Richard de Grijs2026 · 0 citationsarXiv
Dutch Colonial Time: Time Signals in Paramaribo and the Dutch Caribbean2602.19365v1 · Richard de Grijs2026 · 0 citationsarXiv
Searching for White Dwarf Candidates Formed Through Binary evolution in Star Clusters2602.16550v1 · Huahui Yan, Li Wang, David R. Miller et al.2026 · 3 citationsarXiv
The MALATANG survey: Dense gas distribution on sub-kiloparsec scales across the disk of M822506.20479v2 · Jian-Fa Wang, Yu Gao, Qing-Hua Tan et al.2025 · 1 citationA&A 700, A72 (2025)
UVIT Study of the Magellanic Clouds (U-SMAC). III. Hierarchical Star Formation in the Small Magellanic Cloud Regulated by Turbulence2506.08951v1 · Sipra Hota, Richard de Grijs, Annapurni Subramaniam2025 · 1 citationarXiv
The VMC Survey -- LIV. Anomalous Cepheids in the Magellanic Clouds Period-Luminosity relations in the near-infrared bands2506.08208v1 · Teresa Sicignano, Vincenzo Ripepi, Marina Rejkuba et al.2025 · 3 citationsA&A 699, A370 (2025)
Optical spectroscopic signatures of the red giant evolutionary state2506.02889v1 · Ella Xi Wang, Melissa Ness, Thomas Nordlander et al.2025 · 1 citationarXiv
Photometric activity cycles in fast-rotating stars: Revisiting the reality of stellar activity cycle branches2505.02375v2 · Deepak Chahal, Devika Kamath, Richard de Grijs et al.2025 · 5 citationsMonthly Notices of the Royal Astronomical Society, staf754, 2025
The VMC survey -- LIII. Data release #7. Complete survey data and data from additional programmes2504.20694v1 · M.-R. L. Cioni, N. J. G. Cross, V. Ripepi et al.2025 · 4 citationsA&A 699, A300 (2025)
The VMC survey -- LIV. The internal kinematics of the LMC with new VISTA observations2503.13039v2 · S. Vijayasree, F. Niederhofer, M.-R. L. Cioni et al.2025 · 8 citationsA&A 700, A279 (2025)
The HASHTAG project II. Giant molecular cloud properties across the M31 disc2503.12513v1 · Yikai Deng, Zongnan Li, Zhiyuan Li et al.2025 · 4 citationsarXiv
The VMC Survey : LI. Classifying extragalactic sources using a probabilistic random forest supervised machine learning algorithm2501.08196v1 · Clara M. Pennock, Jacco Th. van Loon, Maria-Rosa L. Cioni et al.2025 · 3 citationsarXiv
The GALAH survey: Improving chemical abundances using star clusters2501.06140v2 · Janez Kos, Sven Buder, Kevin L. Beeson et al.2025 · 8 citationsA&A 703, A104 (2025)
An automated method to detect and characterise semi-resolved star clusters2410.14186v1 · Amy E. Miller, Zachary Slepian, Elizabeth A. Lada et al.2024 · 0 citationsarXiv
The GALAH Survey: Stellar parameters and abundances for 800,000 Gaia RVS spectra using GALAH DR4 and The Cannon2410.12272v2 · Pradosh Barun Das, Daniel B. Zucker, Gayandhi M. De Silva et al.2024 · 8 citationsMNRAS 538, 605-621 (2025)
The GALAH Survey: Data Release 42409.19858v2 · S. Buder, J. Kos, E. X. Wang et al.2024 · 91 citationsarXiv
All roads lead to (New) Rome: Byzantine astronomy and geography in a rapidly changing world2407.16285v1 · Richard de Grijs2024 · 0 citationsarXiv
The GALAH survey: Tracing the Milky Way's formation and evolution through RR Lyrae stars2405.04580v1 · Valentina D'Orazi, Nicholas Storm, Andrew R. Casey et al.2024 · 22 citationsarXiv
New quasars behind the Magellanic Clouds. II. Spectroscopic confirmation of 136 near-infrared selected candidates2404.18175v1 · Valentin D. Ivanov, Maria-Rosa L. Cioni, Michel Dennefeld et al.2024 · 0 citationsarXiv
The Origin of Young Stellar Populations in NGC 1783: Accretion of External Stars2404.08047v1 · Li Wang, Licai Deng, Xiaoying Pang et al.2024 · 3 citationsarXiv
The GALAH survey: Elemental abundances in open clusters using joint effective temperature and surface gravity photometric priors2402.07748v1 · Kevin L. Beeson, Janez Kos, Richard de Grijs et al.2024 · 8 citationsarXiv
The VMC Survey -- L. Type II Cepheids in the Magellanic Clouds2401.12770v1 · Teresa Sicignano, Vincenzo Ripepi, Marcella Marconi et al.2024 · 1 citationarXiv
Extended main sequences in star clusters.41467028 · Li, Chengyuan, Milone, Antonino P, Sun, Weijia et al.2025 · 4 citationsFundamental research. 2025;5(6):2474-2488
The role of tidal interactions in the formation of slowly rotating early-type stars in young star clusters2309.01975v1 · Chenyu He, Chengyuan Li, Weijia Sun et al.2023 · 13 citationsarXiv
Unravelling the Period Gap using LAMOST Chromospheric Activity Indices2308.10539v1 · Deepak Chahal, Devika Kamath, Richard de Grijs et al.2023 · 4 citationsarXiv
Kinematics of stellar substructures in the Small Magellanic Cloud2304.14368v1 · Dalal El Youssoufi, Maria-Rosa L. Cioni, Nikolay Kacharov et al.2023 · 8 citationsarXiv
The Cosmology of David Bohm: Scientific and Theological Significance2303.04303v1 · Richard de Grijs, Doru Costache2023 · 2 citationsarXiv
Early Star Charts of the Dutch East India Company2302.12992v1 · Richard de Grijs2023 · 1 citationarXiv
Precise Empirical Determination of Metallicity Dependence of Near-infrared Period-Luminosity Relations for RR Lyrae Variables2302.05455v1 · Anupam Bhardwaj, Marcella Marconi, Marina Rejkuba et al.2023 · 18 citationsarXiv
Astronomical tent observatories, relics of a bygone era2302.02198v1 · Richard de Grijs2023 · 1 citationarXiv
Roger of Hereford: the twelfth-century astronomer who put Hereford on the map, literally2301.06610v1 · Richard de Grijs2023 · 0 citationsThe Local Historian [journal of the British Association for Local History], vol.53 no.2 (April 2023), pages 98-111
Hubble Space Telescope survey of Magellanic Cloud star clusters. Photometry and astrometry of 113 clusters and early results2212.07978v1 · A. P. Milone, G. Cordoni, A. F. Marino et al.2022 · 66 citationsA&A 672, A161 (2023)
Gravitational Conundrum: Confusing Clock-Rate Measurements on the "First Fleet" from England to Australia2211.11441v1 · Richard de Grijs2022 · 1 citationarXiv
The role of binarity and stellar rotation in the split main sequence of NGC 24222208.10843v1 · Chenyu He, Weijia Sun, Chengyuan Li et al.2022 · 16 citationsarXiv
Double Mode Cepheids from the Zwicky Transient Facility Survey2208.03080v1 · Vishwangi Shah, Xiaodian Chen, Richard de Grijs2022 · 1 citationarXiv
Search for OB associations in {\sl Gaia} early Data Release 32206.12935v1 · Alexander A. Chemel, Richard de Grijs, Elena V. Glushkova et al.2022 · 12 citationsarXiv
Statistics of BY Draconis Chromospheric Variable Stars2206.05505v1 · Deepak Chahal, Richard de Grijs, Devika Kamath et al.2022 · 14 citationsarXiv
The intrinsic reddening of the Magellanic Clouds as traced by background galaxies -- III. The Large Magellanic Cloud2205.04406v2 · Cameron P. M. Bell, Maria-Rosa L. Cioni, Angus H. Wright et al.2022 · 8 citationsarXiv
The VMC survey -- XLVI. Stellar proper motions in the centre of the Large Magellanic Cloud2203.14369v1 · F. Niederhofer, M.-R. L. Cioni, T. Schmidt et al.2022 · 26 citationsarXiv
The VMC Survey -- XLVIII. Classical Cepheids unveil the 3D geometry of the LMC2203.01780v1 · V. Ripepi, L. Chemin, R. Molinaro et al.2022 · 42 citationsarXiv
The VMC survey -- XLVII. Turbulence-Controlled Hierarchical Star Formation in the Large Magellanic Cloud2202.09267v1 · Amy E. Miller, Maria-Rosa L. Cioni, Richard de Grijs et al.2022 · 12 citationsarXiv
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