I've received some interest in this event, so we'll go ahead and calculate a strewn field for it. It will be up on the GA web page soon.
Cheers, Marc Fries On Mar 13, 2013, at 10:24 AM, Marc Fries wrote: > Greetings, ladies and gents > > Thanks to Rob Matson and Jake Schaefer, we've located three additional > video captures of the 09 March fireball over western Ontario. Thanks also to > Dr. Peter Brown at the U. of Western Ontario, whose superb team also analyzed > the event and shared their calculated terminus point with us. Jake > interrogated additional seismometers, and all of these data sources agree > that the fireball terminus was over Michigan near the town of Tecumseh. Radar > signatures appear at that site, and their various characteristics are > reasonably consistent with meteorites. We had identified one in particular as > "interesting" early on, but I was spoofed by some unusual radar returns over > Lake Erie. Those returns are now identified as weather phenomena, and this > event did NOT occur over the lake. They're unusual in that they are > apparently small clouds with significant internal turbulence, and are not the > sort of thing I was expecting to see at night over a cold landmass. But now > that we've seen them I won't be fooled by them again. > The radar returns over the actual fireball terminus are reasonably > convincing - they appear in a straight line that follows the prevailing > winds, appear at the right time and place, etc. But they are quite weak, to > the point that if they are meteorites then they amount to a very small total > mass. We've posted this information on the GA web page but have not done the > dark flight modeling. If anyone wants to go search this event let me know and > I'll perform the strewn field estimation. > > Cheers, > Marc Fries > Galactic Analytics LLC ______________________________________________ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
