…speaking of SiTian… The latest issue of Research in Astronomy and Astrophysics (vol. 25 #4) is a special Issue: Pathfinder of the SiTian Project – Progress of Mini SiTian Huang, Y. Liu, J. Wu, H. et al. The Mini-SiTian Array: A… Read More »Note, Papers: SI on SiTian
In Experimental Astronomy (all-digital, no physical issues) vol. 59, #3: Xiang, W. Jia, P. Li, Z. An Optimization Framework for Wide-Field Small Aperture Telescope Arrays Used in Sky Surveys 32 s10686-025-10004-0 Covering the sky requires more than one telescope: in… Read More »Note, Paper: Better Net-Tels
…see Day 1, Day 2 Now, in Day 3, we get into the telescopes (and one antenna) for both detection and tracking: Session 4: Near-Earth Object (NEO) DiscoveryThe Pan-STARRS Search for Near-Earth Objects: 10+ Years old and going strong… Read More »2025 Planetary Defense Conference, Day 3
Early-2025 activity on the mountaintop was largely removing ComCam, and integrating the final LSSTCam onto the telescope. Per my last update, that camera change has happened; time for another post. As observing is getting closer and closer, so too will… Read More »Vera Rubin Update (LATE-April 2025)
…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…
In two weeks: the Rubin Science Assembly: Science Preparation Seminar on the Solar System, Apr 24: rubinobservatory.org/events/rubin-science-assembly-science-preparation-seminar-on-solar-system This online presentation will be a demonstration and tutorial on the ‘nearby’ (relatively) science with the survey telescope. Given the sheer number of… Read More »Rubin Solar System Science Seminar
…and speaking of good publicity: The Vera Rubin Observatory staff describe good installation of its LSSTCam onto the telescope. This major event (all large parts are now integrated) was well-documented, as one might expect. Coverage of the assembly, and even… Read More »Vera Rubin Update (Apr 2025)
I wrote previously (twice and thrice) on the Japanese COIAS Program (Come On! Impacting ASteroids) and its connection to the manga/TV show Asteroid in Love (Japanese: Koisuru Asteroido, abbreviated Koi As). More recognition: comet C/2015 K7 is now named COIAS.… Read More »…COIAS Continued Continued…
Euclid is a major, international, cross-disciplinary mission. On its face, it is an ESA space telescope to untangle the mysteries of dark matter and the history of the cosmos, by: 1) measuring the distortions of distant galaxies, galaxies which shine… Read More »No (?) Paper: Euclid Q1 Dump
In the Astronomical Journal for March Volume 169 Number 3: Li, J. Shi, J. Ma, Y. et al. Hydrogen Cyanide in Comet C/2022 E3 (ZTF) from 3.4 mm Wave Spectra article 126 ada7e7Wu, L. Zhang, Q. Lainey, V. et al. A… Read More »Note, Paper: Astronomi-kill Journal