BV
Beatriz Villarroel
astro-ph.IMastro-ph.HEastro-ph.EPastro-ph.GAastro-ph.SRastro-ph.COphysics.pop-phphysics.space-phNuclear testingphysics.data-an
On Valency
published · living versionsW_nbf2f935·v1 · currentpublished
Launching the VASCO citizen science project
with Kristiaan Pelckmans, Enrique Solano, Mikael Laaksoharju, Abel Souza +23
1 version
W_maac5r66·v1published
Preprints & journals
35 papers in the corpus · 2011–2026Earth-Projected Clustering of Historical Optical Transients in the Palomar Observatory Sky Survey-I (POSS-I)2609.09461v2 · Stephen Bruehl, Beatriz Villarroel, Hichem Guergouri et al.2026 · 0 citationsarXiv
Modelling Palomar Transients: Constraints from Reflection Geometry and Orbital Altitude2609.05105v1 · Beatriz Villarroel, Alina Streblyanska, Hichem Guergouri et al.2026 · 0 citationsarXiv
Microscopy assessment of two multiple-transient candidates2608.26371v1 · Jun Yang, Beatriz Villarroel2026 · 0 citationsarXiv
Multi-band optical photometric variability of the blazar OJ 287 from 2015 to 20252607.07201v1 · Alok C. Gupta, Karan Dogra, Mark Kidger et al.2026 · 0 citationsarXiv
Machine Learning Supports Existence of Previously Unrecognized Transient Astronomical Phenomena in Historical Observatory Images2604.18799v2 · Stephen Bruehl, Brian Doherty, Alina Streblyanska et al.2026 · 0 citationsarXiv
A Response to paper Critical Evaluation of Studies Alleging Evidence for Technosignatures in the POSS1-E Photographic Plates by Watters et al. (2026)2602.15171v2 · Beatriz Villarroel, Alina Streblyanska, Stephen Bruehl et al.2026 · 0 citationsarXiv
Transients in the Palomar Observatory Sky Survey (POSS-I) may be associated with nuclear testing and reports of unidentified anomalous phenomena.41115916 · Bruehl, Stephen, Villarroel, Beatriz2025 · 6 citationsScientific reports. 2025;15(1):34125
A Cost-Effective Search for Extraterrestrial Probes in the Solar System2510.17907v1 · Beatriz Villarroel, Wesley A. Watters, Alina Streblyanska et al.2025 · 1 citationarXiv
On the Image Profiles of Transients in the Palomar Sky Survey2507.15896v1 · Beatriz Villarroel, Enrique Solano, Geoffrey W. Marcy2025 · 0 citationsarXiv
The New Science of Unidentified Aerospace-Undersea Phenomena (UAP)2502.06794v2 · Kevin H. Knuth, Philippe Ailleris, Hussein Ali Agrama et al.2025 · 8 citationsarXiv
A Civilian Astronomer's Guide to UAP Research2411.02401v1 · Beatriz Villarroel, Kevin Krisciunas2024 · 1 citationarXiv
A bright triple transient that vanished within 50 minutes2310.09035v1 · Enrique Solano, Geoffrey W. Marcy, Beatriz Villarroel et al.2023 · 3 citationsarXiv
Astronomical Anomalies: Their Role in the Quest for Extraterrestrial Life2310.14895v1 · Beatriz Villarroel, Geoffrey W. Marcy2023 · 0 citationsPublished in "EdgeScience Magazine 49" on 15 March 2022 by the Society for Scientific Exploration
Multi-band Optical Variability of the TeV Blazar PG 1553+113 in 20192212.09016v1 · Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze et al.2022 · 6 citationsarXiv
Discovering vanishing objects in POSS I red images using the Virtual Observatory2206.00907v1 · E. Solano, B. Villarroel, C. Rodrigo2022 · 9 citationsarXiv
Long Term Multi-band Near Infra-Red Variability of the Blazar OJ 287 during 2007--20212205.03618v1 · Alok C. Gupta, Pankaj Kushwaha, L. Carrasco et al.2022 · 19 citationsarXiv
Is there a background population of high-albedo objects in geosynchronous orbits around Earth?2204.06091v1 · Beatriz Villarroel, Enrique Solano, Hichem Guergouri et al.2022 · 5 citationsarXiv
A glint in the eye: photographic plate archive searches for non-terrestrial artefacts2110.15217v2 · Beatriz Villarroel, Lars Mattsson, Hichem Guergouri et al.2021 · 18 citationsarXiv
Exploring nine simultaneously occurring transients on April 12th 19502106.11780v1 · Beatriz Villarroel, Geoffrey W. Marcy, Stefan Geier et al.2021 · 20 citationsScientific Reports volume 11, Article number: 12794 (2021)
Evaluation of investigational paradigms for the discovery of non-canonical astrophysical phenomena2011.10086v1 · Caitlyn A. K. Singam, Jacob Haqq-Misra, Amedeo Balbi et al.2020 · 4 citationsarXiv
Launching the VASCO citizen science project2009.10813v4 · Beatriz Villarroel, Kristiaan Pelckmans, Enrique Solano et al.2020 · 2 citationsUniverse, 2022, vol. 8, issue 11, p. 561on Valency
Examining supernova events in Type 1 active galactic nuclei2005.02052v1 · Beatriz Villarroel, Inigo Imaz, Elisabeta Lusso et al.2020 · 1 citationarXiv
Gaia-DR2 extended kinematical maps. Part II: Dynamics in the Galactic disk explaining radial and vertical velocities2001.05455v1 · M. Lopez-Corredoira, F. Garzon, H.-F. Wang et al.2020 · 36 citationsA&A 634, A66 (2020)
The Vanishing & Appearing Sources during a Century of Observations project: I. USNO objects missing in modern sky surveys and follow-up observations of a "missing star"1911.05068v2 · Beatriz Villarroel, Johan Soodla, S'ebastien Comer'on et al.2019 · 26 citationsarXiv
Small-scale clustering of nano-dust grains in supersonic turbulence1910.07289v1 · Lars Mattsson, Johan. P. U. Fynbo, Beatriz. Villarroel2019 · 10 citationsarXiv
Clustering and dynamic decoupling of dust grains in turbulent molecular clouds1811.01082v1 · Lars Mattsson, Akshay Bhatnagar, Fred A. Gent et al.2018 · 26 citationsarXiv
A First Transients Survey with JWST: the FLARE project1710.07005v2 · Lifan Wang, D. Baade, E. Baron et al.2017 · 12 citationsarXiv
AGN luminosity and stellar age -- two missing ingredients for AGN unification as seen with iPTF supernovae1701.08647v1 · Beatriz Villarroel, Anders Nyholm, Torgny Karlsson et al.2017 · 19 citationsarXiv
Multiband optical variability of the blazar OJ 287 during its outbursts in 2015 -- 20161611.07561v1 · Alok C. Gupta, A. Agarwal, A. Mishra et al.2016 · 47 citationsMNRAS 465, 4423 (2017)
Data-driven dissection of emission-line regions in Seyfert galaxies1608.07112v1 · Beatriz Villarroel, Andreas J. Korn2016 · 1 citationA&A 596, A20 (2016)
Our Sky now and then searches for lost stars and impossible effects as probes of advanced extra-terrestrial civilisations1606.08992v1 · Beatriz Villarroel, Inigo Imaz, Josefine Bergstedt2016 · 21 citations2016, The Astronomical Journal, 152, 76on Valency
The different neighbours around Type-1 and Type-2 active galactic nuclei1411.6735v1 · Beatriz Villarroel, Andreas J. Korn2014 · 47 citationsNature Physics 10, 417-420, 2014
AGN environments: is the viewing angle sufficient to explain the difference between broad-line and narrow-line AGN? -- A low-redshift study of close AGN neighbours. Paper I1211.0528v1 · Beatriz Villarroel, Andreas Korn, Yoshiki Matsuoka2012 · 1 citationarXiv
In The Neighbourhood of Tame Monsters: A study of galaxies near low-redshift quasars1204.0092v2 · Beatriz Villarroel2012 · 2 citationsarXiv
A study of galaxies near low-redshift quasars1107.2598v1 · Beatriz Villarroel2011 · 0 citationsarXiv
Career total: at least 58 works. 35 are in this corpus.
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