(meteorobs) Swift Sees 5th Magn. GRB!

meteoreye at comcast.net meteoreye at comcast.net
Thu Mar 20 15:24:18 EDT 2008


Just to clarify, the brightness was +5.6 not -5
Wayne

-------------- Original message -------------- 
From: <stange34 at sbcglobal.net> 

> The Sentinel system would have detected it being -5Mag (IF) there had been 
> some motion to it. Sentinel does not normally detect a stationary light 
> burst. 
> 
> My second backup system(HandyAvi) ,would have detected it because it does 
> not rely on motion solely....failed because I had forgot to start it after 
> setting it up that night. My fault. 
> 
> That system normally captures light bursts etc., and records many hundreds 
> of megabytes each night(mostly from airplanes) which I delete at each time 
> of the new nights setup. 
> 
> I should not have missed that.....but it was an accident. 
> 
> Larry 
> Yuba City Sentinel 
> 
> ----- Original Message ----- 
> From: "George Gliba" 
> To: "Global Meteor Observing Forum" 
> Sent: 2008/03/20 10:25 
> Subject: Re: (meteorobs) Swift Sees 5th Magn. GRB! 
> 
> 
> > Thomas Ashcraft wrote: 
> >> Hi George, 
> >> 
> >> For what it's worth I can contribute a negative observation. Maybe it 
> >> will still has value to the GRB team? 
> >> 
> >> My Sentinel visual camera system was in operation but is not sensitive 
> >> enough to capture +5 mag events. Nothing seen. 
> >> My radio system was also in operation but my radiospectrograph saw 
> >> nothing special during that particular minute, just small space dust 
> >> paricles. 
> >> I posted the radio chart, which is down the page below the meteor movies. 
> >> 
> >> Please forward the page reference if it has any use. 
> >> 
> >> http://www.heliotown.com/Fireballs_March_19_2008_Ashcraft.html 
> >> 
> >> Thomas Ashcraft 
> >> New Mexico 
> >> 
> >> 
> >> 
> >> George Gliba wrote: 
> >> 
> >>> Fellow Observers, 
> >>> 
> >>> Last night the NASA SWIFT spacecraft saw the most extrinsically 
> >>> luminous 
> >>> Gamma-ray Burst ever known..... 
> >>> may have seen it. Perhaps some meteor observers saw it or it was seen 
> >>> with a video 
> >>> camera. The time was 6:10 to 6:13 UT March 19, in Bootes. 
> >>> 
> >>> GWG 
> >>> 
> >>> 
> >>> 
> >> 
> >> _______________________________________________ 
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> >> http://lists.meteorobs.org/mailman/listinfo/meteorobs 
> >> 
> > Thomas, 
> > 
> > What is the limiting magnitude of the video? 
> > 
> > Thanks, 
> > GWG 
> > 
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