[meteorite-list] FW: Seismic Data search for 6JUL09 meteor
Fries, Marc D
marc.d.fries at jpl.nasa.gov
Wed Jul 8 11:24:05 EDT 2009
So we¹ve got folks looking over the seismic data, an astronomer¹s take on
the still photo, a nice .kmz by Elton... This is turning into a real ³stone
soup² fireball event. I¹m diggin¹ it.
Cheers,
Marc Fries
On 7/9/09 11:08 AM, "Kelly Beatty" <jkellybeatty at comcast.net> wrote:
> folks...
>
> my take: this putative fall is unlikely to generate a seismic signal if
> pieces hit the ground at terminal free-fall velocity (several hundred mph
> for really large chunks, much less for smaller ones).
>
> meanwhile, I've analyzed Mike Hankey's photo. assuming the bolide was 1:10
> am local time and "falling from the sky", as reports indicate, then the
> meteor segment in the image he took was centered at AZ 73°, AL 63½°, and had
> a bearing toward the east-northeast horizon.
>
>
> clear skies,
> Kelly
>
> ****************
> J. Kelly Beatty
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> SKY & TELESCOPE
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