HD 172555 is a white-hot A7V star located relatively close by, 95 light years from Earth in the direction of the constellation Pavo. Spectrographic evidence indicates a relatively recent collision between two planet-sized bodies that destroyed the smaller of the two, which had been at least the size of Moon, and … Meer weergeven HD172555 was first recognized in the 1980s as being unusually bright in the mid-infrared by the IRAS sky survey. Follow-up, ground-based observations by Schütz et al. and the Spitzer Space Telescope, … Meer weergeven • When worlds collide. Phil Plait, Discover website, Blogs / Bad Astronomy. August 10, 2009. NASA animation of what the collision may have looked like. Retrieved 2009-08-11 Meer weergeven • 2M1207b Meer weergeven • Lisse, C. M.; Chen, C. H.; Wyatt, M. C.; Morlok, A.; Song, I.; Bryden, G.; Sheehan, P. (June 16, 2009). • Chen, C. H.; Sargent, B. A; Bohac, … Meer weergeven WebWe present multiepoch infrared photometry and spectroscopy obtained with warm Spitzer, Subaru, and the Stratospheric Observatory for Infrared Astronomy to assess variability for the young (∼20 Myr) and dusty debris systems around HD 172555 and HD 113766A. No variations (within 0.5%) were found for the former at either 3.6 or 4.5 μm, while …
HD 172555 - Wikipedia
Web17 mei 2024 · Kiefer et al. reported the detection of infalling Ca ii absorption in HD 172555, a member of the β Pictoris Moving Group (βPMG). We obtained HST Space Telescope … WebINIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. list of movies coming out in 2023
Detection of scattered light from the hot dust in HD 172555 - arXiv
WebLanguage Label Description Also known as; English: HD 172555 Web26 aug. 2009 · NASA's Spitzer Space Telescope found evidence that a high-speed collision of this sort occurred a few thousand years ago around a young star, called HD 172555, … http://www.spitzer.caltech.edu/images/2716-ssc2009-16b-Signs-of-Blasted-Rock list of movies emma stone was in