…see Day 1 The last post was the first day of a big, multi-day conference: lots of pleasantries and generalities. Here now we get into some real meat of the matter. Session 1: Hypothetical Threat Exercise Technical SessionThe international… Read More »2025 Planetary Defense Conference, Day 2
Time for this month’s Astronomy and Astrophysics (April, vol. 696): Jo, H. Ishiguro, M. Richardson, D. C. et al. The surface dynamics and geophysical environment of asteroid (3200) Phaethon A34 202453408 Moreno, F. Jehin, E. Dust shells and dark linear… Read More »Note, Paper: A and A Shapes
…see first, second, and third posts… The COIAS program (centered around the Subaru Telescope and its HSC instrument) aims to discover asteroids swept up by the wide field of the HSC. That it does, certainly: the effort has a few… Read More »…Continuing (Comets) COIAS…
Articles of note in MNRAS (Monthly Notices of the Royal Astronomical Society) for April: Volume 538, Issue 2 – Volume 538, Issue 3 Mariblanca-Escalona, I. Lara, L. M. Moreno, F. et al. Activity of comet 7P/Pons–Winnecke during the 2021 apparition… Read More »Note, Paper: Not Blind Curves
Two papers to report in the May issue of New Astronomy (vol. 116): Agbogidi, B. R. Vincent, A. E. Afere, B. A. E. et al. Equilibrium points in the perturbed rotating mass dipole system with oblateness art. 102344 .2024.102344Wang, N.… Read More »Note, Paper: Slew Astronomy
Wow, asteroids made a Nature-family journal, and not Nature Astronomy. In Scientific Reports vol. 15 #1: Shimizu, Y. Miyamoto, H. Michel, P. Diverse evolutionary pathways of spheroidal asteroids driven by rotation rate Art. 10284 s41598-025-94574-1 Not only are there fast-rotator… Read More »Note, Paper: Nature of Rotators
The April Meteoritics & Planetary Science (vol. 60, #4) is finally here: Larsen, K. Krot, A. N. Wielandt, D. et al. Type B–type C CAI in a CR chondrite: Evidence for multiple melting events, gas–melt interaction, and oxygen-isotope exchange Page… Read More »Note, Paper: Hot Rock Copy
Good old Icarus; what’s in 1 May (vol. 431)? Micca Longo, G. Suttle, M. D. Longo, S. A numerical model for the atmospheric entry of hydrated, phyllosilicate-rich micrometeorites Article 116490 .2025.116490Baker, D. A. McMahon, J. W. Boulder-induced spin variability in… Read More »Note, Paper: Icarus Big (or Not)
No foolin’- let’s keep up with Astronomical Journal, for April (vol. 169, #4)- both Open Access: Tang, Y. Jiang, Y. Feng, Y. et al. Transformer-based Approach for Accurate Asteroid Spectra Taxonomy and Albedo Estimation 201 adb710 Wilson, T. C. Silber,… Read More »Note, Paper: Ace the Tests
Interesting, to say the least, issue of RNAA (Research Notes Of The AAS) for March vol. 9 #3 (all of these papers are OPEN): Dvorak, R. Cuntz, M. On the Stability of Retrograde Orbits Between Jupiter and Saturn 46 … Read More »Note, Paper: Identified Flying Objects