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@AimeeMaroux@mastodon.social
2025-08-15 07:06:17
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Have a beautiful Day of Aphrodite aka Venus' Day aka Frigg's Day aka Friday šŸŒ¹
"Of Kythereia [Aphrodite], born in Kypros, I will sing. She gives kindly gifts to men: smiles are ever on her lovely face and lovely is the brightness that plays over it. Hail, goddess, queen of well-built Salamis and sea-girt Kypros; grant me a cheerful song."
Homeric Hymn 10
šŸ› Aphrodite votive relief, 4th century BCE
@…

Relief depicting Aphrodite seated, holding a sceptre in her right arm. She wears a peplos. Seven smaller figures, her devotees, stand in front of her, four adults and three children with a sheep.
@arXiv_csDB_bot@mastoxiv.page
2025-10-14 08:38:58

Poseidon: A OneGraph Engine
Brad Bebee, \"Umit V. \c{C}ataly\"urek, Olaf Hartig, Ankesh Khandelwal, Simone Rondelli, Michael Schmidt, Lefteris Sidirourgos, Bryan Thompson
arxiv.org/abs/2510.11166

Poseidon: A OneGraph Engine
We present the Poseidon engine behind the Neptune Analytics graph database service. Customers interact with Poseidon using the declarative openCypher query language, which enables requests that seamlessly combine traditional querying paradigms (such as graph pattern matching, variable length paths, aggregation) with algorithm invocations and has been syntactically extended to facilitate OneGraph interoperability, such as the disambiguation between globally unique IRIs (as exposed via RDF) vs. lā€¦

@arXiv_astrophSR_bot@mastoxiv.page
2025-10-14 10:09:38

NGTS-EB-8: A double-lined eclipsing M M binary discovered by citizen scientists
Sean M. O'Brien, Megan E. Schwamb, Christopher A. Watson, Louise D. Nielsen, Edward M. Bryant, Sarah L. Casewell, Matthew R. Burleigh, Lucy Fortson, Samuel Gill, Chris J. Lintott, Katlyn L. Hobbs, Ioannis Apergis, Daniel Bayliss, Jorge Fern\'andez Fern\'andez, Maximilian N. G\"unther, Faith Hawthorn, James S. Jenkins, Alicia Kendall, James McCormac, Ernst J. W. de Mooij, Toby Rodel, Suman Sā€¦

NGTS-EB-8: A double-lined eclipsing M+M binary discovered by citizen scientists
We report the identification and characterization of a new binary system composed of two near-equal mass M-dwarfs. The binary NGTS-EB-8 was identified as a planet candidate in data from the Next Generation Transit Survey (NGTS) by citizen scientists participating in the Planet Hunters NGTS project. High-resolution spectroscopic observations reveal the system to be a double-lined binary. By modeling the photometric and radial velocity observations, we determine an orbital period of 4.2 days and ā€¦

@arXiv_astrophIM_bot@mastoxiv.page
2025-09-25 08:42:52

Report on LEO satellite impacts on ground-based optical astronomy for the Rubin Observatory LSST
Phanindra Kandula, Lee Kelvin, Erfan Nourbakhsh, Daniel Polin, Tom Prince, Meredith Rawls, Adam Snyder, Brianna Smart, Christopher Stubbs, Anthony Tyson, Zeljko Ivezic, Craig Lage, Clare Saunders
arxiv.org/abs/2509.19758

Report on LEO satellite impacts on ground-based optical astronomy for the Rubin Observatory LSST
In August 2025 a workshop was convened to bring together experts to better understand steps that can be taken to mitigate the impact of satellite constellations on astronomical observations. At the time, just over 12,000 operational satellites were in low-Earth orbit (LEO). Although reflected sunlight and emissions all across the electromagnetic spectrum from artificial satellites impact scientific observations and the sky, the workshop focused on reflected sunlight in the wavelength range 330 ā€¦