Re: (meteorobs) Re: Radiant Diameters

• To: meteorobs@latrade.com
• Subject: Re: (meteorobs) Re: Radiant Diameters
• From: Malcolm Currie <mjc@ast.star.rl.acdot uk>
• Date: Wed, 29 Apr 1998 15:02:49 +0100 (BST)
• In-Reply-To: <Pine.LNX.3.90.980429104320.31418C-100000@stad.dsldot nl>
• Reply-To: meteorobs@latrade.com
• Sender: owner-meteorobs

GZ> > By any chance does anyone have the radiant diameters for the following three
GZ> > meteor showers? I can't seem to find their diameters being listed anywhere?
GZ> > 
GZ> > The Pi-Puppids

The IMO Calendar says 5 degrees.  That may be nominal. As Marco says,
the data are sparse.  My recollection of the 1977 display was more
like 3 degrees.

ML> The Draconids are known to have a very thight radiant of less than one 
ML> degree (!), actually in the order of 12'. That resulted from mono-station 
ML> photographic results on the 1946 Draconid storm

Isn't this like the Quadrantids, where the radiant shrinks as the ZHR
increases?  Again the IMO Calendar has 5 degrees.

Malcolm

• (meteorobs) Re: Radiant Diameters
• From: Marco Langbroek <marcolan@stad.dsldot nl>

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