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ATLAS Gas and Scatterer Scan

Catching up with arXiv.org‘s posts: Earth and Planetary Astrophysics >  arxiv.org/abs/2601.06759Lisse, C. M. Bach, Y. P. Bryan, S. A. et al.  SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025: Detection of Increased Post-Perihelion Activity, Refractory Coma Dust, and New… Read More »ATLAS Gas and Scatterer Scan

AAS Winter 2026 Meeting, Two(sday)

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Again, the American Astronomical Society’s big meeting is about to go on (Jan 4-8), in Phoenix, AZ. https://aas.org/meetings/aas247 Highlights from (effective) day 2, Jan 6: https://submissions.mirasmart.com/AAS247/Itinerary/EventsAAG.aspx See also: Day 1 (ish) Tuesday, January 6 203 – High-Altitude Balloon Astronomy: Instruments,… Read More »AAS Winter 2026 Meeting, Two(sday)

3I Sizeable-Wire Findings

Just in (literally) from Astronomers’ Telegram: www.astronomerstelegram.org/?read=17571Manna, A. Pal, S. Baug, T. Detection of comet 3I/ATLAS in radio wavelength during closest approach to Earth using uGMRTATel #17571 on 2 Jan 2026; 05:10 UT The uGMRT is the upgraded Giant Metrewave… Read More »3I Sizeable-Wire Findings

3I’s Silent Sliding Findings

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Revisiting arXiv.org’s “archives”: Astrophysics > Instrumentation and Methods for Astrophysics  arxiv.org/abs/2512.19763[Submitted on 20 Dec 2025]Jacobson-Bell, B. Croft, S. White, E. et al.  Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz Spoiler alert: “We report a… Read More »3I’s Silent Sliding Findings

Gemini Spies 3I Volatiles

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Courtesy of our friends Astronomers’ Telegram: https://www.astronomerstelegram.org/?read=17561Bolin, B. Wong, I. Abron, L-M. et al.  Gemini post-perihelion visible photometry and spectroscopy of interstellar comet 3I/ATLASATel #17561 24 Dec 2025; 20:36 UT The Gemini North telescope in Hawaii turned to our interstellar… Read More »Gemini Spies 3I Volatiles

3I Kite-Like Sight Cite

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Another quick report on quick phenomenon, courtesy of Astronomers’ Telegram: www.astronomerstelegram.org/?read=17551Serra-Ricart, M. Licandro,J. Alarcon, M. R. Post-perihelion Sunward Tail Detected on Interstellar Comet 3I/ATLAS: A Geometric Projection of the Dust TailATel #17551; 19 Dec 2025; 11:54 UT Comets have not just one tail,… Read More »3I Kite-Like Sight Cite