The details on our interstellar friend keep filling in, now that we have tracking over a nonnegligible observing arc: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2509.05181[Submitted on 5 Sep 2025]Gray, Z. Bagnulo, S. Borisov, G. et al. Extreme Negative Polarisation… Read More »ATLAS Keeps Tabs on ATLAS…
The observation/publication cycle is getting into a groove: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2509.02813[Submitted on 4 Sep 2025]Frincke, T. T. Yaginuma, A. Noonan, J. W. et al. Near-Discovery SOAR Photometry of the Third Interstellar Object: 3I/ATLAS arxiv.org/abs/2509.03361[Submitted on 4… Read More »3I/ATLAS Tracking
The joint Europlanet and AAS–DPS meeting, for this Tuesday (see also Day 1): https://www.epsc-dps2025.eu/ https://meetingorganizer.copernicus.org/EPSC-DPS2025/meetingprogramme Tuesday, 9 Sep SB10 Observing and modelling meteors in planetary atmospheres Cosmic dust in the heliosphere- Veerle Sterken CE4 Europlanet General Assembly TP8… Read More »2025 Joint EPSC-DPS Meeting, II
The characterization (and digitalization) continues: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2509.01647[Submitted on 1 Sep 2025]Salazar Manzano, L. E. Lin, H. W. Taylor, A. G. et al. Onset of CN Emission in 3I/ATLAS: Evidence for Strong Carbon-Chain Depletion And now,… Read More »3I Cyanide Tri-Described
Wow, good issue of Astronomical Journal for Sep (vol. 170 #3): Peña-Asensio, E. Ferrari, F. Meteoroid Stream Identification with HDBSCAN Unsupervised Clustering Algorithm 140 adec8cJewitt, D. Li, J. Jaeger, M. et al. Down But Not Out: The Case of Long-period… Read More »Note, Paper: Hotshot Spots
Astrophysics > Solar and Stellar Astrophysics arxiv.org/abs/2508.18382[Submitted on 25 Aug 2025]Rahatgaonkar, R. Carvajal, J. P. Puzia, T. H. et al. VLT observations of interstellar comet 3I/ATLAS II. From quiescence to glow: Dramatic rise of Ni I emission and incipient CN outgassing at large… Read More »3I Cyanide Described
The comet chronicling continues: Astrophysics > Instrumentation and Methods for Astrophysics arxiv.org/abs/2508.16825[Submitted on 22 Aug 2025)Davenport, J. R. A. Sheikh, S. Z. Croft, S. et al. Technosignature Searches of Interstellar Objects Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2508.18209[Submitted on 25… Read More »3I Hypothesized, Rovib-Characterized
We’ve gone a little while without ATLAS matters: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2508.15768[Submitted on 22 Aug 2025]Eubanks, T. M. Bills, B. G. Hibberd, A. et al. 3I/ATLAS (C/2025 N1): Direct Spacecraft Exploration of a Possible Relic of Planetary… Read More »3I + SPHEREx = Identified
The journal Acta Astronautica for Sep 2025 (vol. 234) has: Hosonuma, T. Miyabara, T. Ozaki, N. et al. Autonomous optical navigation for DESTINY*: Enhancing misalignment robustness in flyby observations with a rotating… Pgs. 117 .2025.04.023Li, Y-H. Lien, W-C. Liu, S-W. Development… Read More »Note, Paper: Whip, Slip, and Flip
Not very dramatic news, but worth a post. An observer claims Color Indices of 3I/ATLAS, and a possible Type Identification: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2508.08829Beniyama, J. Simultaneous visible spectrophotometry of interstellar object 3I/ATLAS with Seimei/TriCCS Using the Seimei… Read More »3I CI; TI?