The June issue of Astronomical Journal (vol. 169 #6) brings us: B. T. Bolin, C. Fremling, M. Belyakov, et al. Keck and Gemini Characterization of Hayabusa2# Rendezvous Target 1998 KY26 303 adccbe(The DES Collaboration) Photometry of Outer Solar System Objects… Read More »Note, Paper: Eyes on Target
Commissioning of the Vera Rubin Observatory (Simonyi Telescope, LSSTCam, etc.) continues apace. Aside from glitches with a few CCDs in the detector array, and the Camera cooling system, things are looking good. How good? An outside review panel has surveyed… Read More »Vera Rubin Update: First Look Event
Space Science Reviews comes through again. Now up (vol. 221) is a detailed (!) paper on the two optical imaging instruments (“cameras”) of the Psyche mission: Bell, J.F., Ravine, M.A., Caplinger, M.A. et al. The Psyche Multispectral Imager Investigation: Characterizing… Read More »Note, Paper: Psyche’s Eyes Fly
Time for another survey for IRTF (and Keck Observatory) participants. The NASA IRTF (InfraRed Telescope Facility) is the leading source for asteroid follow-up observations, determining spectra and mineralogies for more small bodies than any other. Staff are interested in: -budgets-observing… Read More »IRTF/Keck User Survey
Commissioning of systems on the Vera Rubin Observatory continues. Tuning of the active optics systems (NOT adaptive optics) continues. This past week, both Alpha Centauri and Earth’s natural satellite became visible. These bright objects served as crude calibrators, allowing tests… Read More »Vera Rubin Update (Mid-May 2025)
Tonight, May 16 is the International Day of Light. Organized by UNESCO, SPIE, and IEEE Photonics, we celebrate light and all its wonders it brings to our lives. https://www.unesco.org/en/days/lighthttps://spie.org/community-support/international-day-of-light/idl-resourceshttps://www.dayoflight.org/https://www.lightday.org/about Let’s see… we use telescopes to study celestial objects of all sorts. Those telescopes… Read More »Day of Light, Tonight
…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
In the Astrophysical Journal Letters issue for May 1 (vol. 984 #1) : Bolin, B. T. Hanuš, J. Denneau, L. et al. The Discovery and Characterization of Earth-crossing Asteroid 2024 YR4 L25 adc910 It’s here: the paper summing up… Read More »2024 YR4: Spill, You
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)