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(meteorobs) New Bright Comet Alert!
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To: <meteorobs@atmob.org>
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Subject: (meteorobs) New Bright Comet Alert!
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From: "Bruce McCurdy" <bmccurdy@telusplanetdot net>
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Date: Tue, 13 Apr 2004 17:36:50 -0600
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Delivered-To: meteorobs-mhonarc2@galaxy.atmob.org
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Delivered-To: meteorobs@atmob.org
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Reply-To: meteorobs@atmob.org
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Sender: owner-meteorobs@atmob.org
From another list. regards, Bruce
> >X-Sender: jbortle@aol.com
> >X-Apparently-To: amastro@yahoogroups.com
> >Subject: [amastro] Re: New near-Sun comet
> >Although Bill Bradfield's new bright comet could potentially become
> >visible from mid-northern latitudes toward the end of the month,
> >there is already a fly in the ointment.
> >
> >Based on the preliminary orbital elements and reported magnitudes,
> >the comet seems to be an intrinsically faint one. Some years ago I
> >published a study of the post-perihelion survival of comets with
> >small perihelion distances. The study demonstrated that there was a
> >very definite relationship between perihelion distance, intrinsic
> >brightness, and a comet's post-T survival or non-survival.
> >
> >As things stand right now, Comet Bradfield's brightness seems to
> >place it below the survival threshold. If this is so, we may well
> >actually be able to witness its demise via SOHO images as it rounds
> >the Sun next week.
> >
> >John Bortle
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