(meteorobs) Fwd: {MPML} Meteoroid from afar (?)

[meteoreye at comcast.net]

For some reason it didn't come out right, that's 282 +/-53 km/sec.

-------------- Original message -------------- 
From: meteoreye at comcast.net 

> >From the quoted papaer: 
> 
> "Given the distance between the track and the radi- 
> ant and the track length, one can estimate the geocen- 
> tric velocity of the meteors. We obtain a velocity esti- 
> mate of 28253 km/s for a 110 km intrusion height into 
> the Earth’s atmosphere and an average magnitude of 8.2. 
> Note that the estimates of the velocity and brightness of 
> meteors so obtained agree with spectroscopic data. 
> 
> -------------- Original message -------------- 
> From: Francisco Ocaña 
> 
> > And the method of determining the velocity of the meteors of the FOVAR 
> > camera? They also recorded hypervelocity meteors that way! 
> > 
> > Thanks to everybody for the information! 
> > 
> > Paco 
> > 
> > Marco Langbroek escribió: 
> > 
> > >It falls or stands with the velocity determination. 
> > > 
> > >In this case, that velocity is not determined by triangulation, but an 
> estimate 
> > >from the Dopler shift of the spectrum, which is somewhat an unusual method. 
> > > 
> > >They get 300 km/s from that, or 5 times the speed of a Perseid. Hmmm.... 
> > > 
> > >- Marco 
> > > 
> > > 
> > > 
> > 
> > 
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