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?
In case you had been assuming, assume no more. Science is about data and evidence: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2508.04675[Submitted on 6 Aug 2025]Water Detection in the Interstellar Object 3I/ATLASXing, Z. Oset, S. Noonan, J. et al. ATLAS… Read More »3I Dehydrating
The submissions continue: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2508.00808[Submitted on 1 Aug 2025]Santana-Ros, T. Ivanova, O. Mykhailova, S. et al. Temporal Evolution of the Third Interstellar Comet 3I/ATLAS: Spin, Color, Spectra and Dust Activity arxiv.org/abs/2508.02499[Submitted on 4 Aug 2025]Martinez-Palomera, J. Tuson,… Read More »3I Files (…cont’d…)
The parsing continues: arxiv.org: 2507.21967Jul 29 Feinstein, A. D. Noonan, J. W. Seligman, D. Z. Precovery Observations of 3I/ATLAS from TESS Suggest Possible Distant Activity The TESS program, with word out on ATLAS, then went through their “old” data. It… Read More »3I/ATLAS Back Access
Two arXiv papers I had reported on previously have been updated. Nothing Earth-shattering, but: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2507.02757v3[Submitted on 3 Jul 2025 (v1), last revised 24 Jul 2025 (this version, v3)]Seligman, D. Z. Micheli, M. Farnocchia, D.… Read More »3I/ATLAS Rehash