Just posted on the ol’ arXiv, more engineering than science: Earth and Planetary Astrophysics > arxiv.org/abs/2601.02533Hibberd, A. Eubanks, T. M. Catching 3I/ATLAS Using a Solar OberthSubmitted on 5 Jan 2026 Not only is our object of interest ATLAS from another… Read More »3I High-Speed Flyby Try?
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)
It’s January, time for the big AAS (American Astronomical Society) meeting. This year, it’s in mild and sunny Phoenix, AZ, January 4-8. https://aas.org/meetings/aas247 Of course, the big meeting is themed around… nothing, it’s a general meeting. There’s a separate DPS… Read More »AAS Winter 2026 Meeting, One
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
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
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
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
More comety goodness coming: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2512.12819[Submitted on 14 Dec 2025]Serra-Ricart, M. Licandro, J. Alarcon, M. R. Pre-perihelion detection of a wobbling high-latitude jet in the interstellar comet 3I/ATLAS One feature of comets is jetting- emission… Read More »Interstellar Jet Presented (ATLAS)
Hot on the heels of the last apparent comet discovery: http://www.cbat.eps.harvard.edu/iau/cbet/005600/CBET005648.txt We have multiple reports of an object with a coma and/or tail- therefore indicating activity, therefore indicating a comet. Except this “comet” orbits, to the precision of our measurements… Read More »*NEW* : Main-Belt Comet P/2025 W4 (Pan-STARRS)
Quick blurb in Astronomers’ Telegram: www.astronomerstelegram.org/?read=17538Jehin, E. Hmiddouch, S. Aravind, K. et al. TRAPPIST bright comets production rates: 3I/ATLAS, 24P/Schaumasse, C/2025 T1 (ATLAS), C/2025 K1 (ATLAS) and C/2025 R2 (SWAN)on 10 Dec 2025: 22:50 UT Besides covering multiple comets, coverage of interstellar… Read More »ATLAS Slight-Aperture Brightnesses