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(meteorobs) Re: IT IS INTERESTING!
It is interesting to research short-period comets, on possible meteoric
storms:
1. 73P/Schwassmann-Wachmann 3
2. 21P/Giacobini-Zinner
3. 7P/Pons-Winnecke
4. 26P/Grigg-Skjellerup
5. 15P/Finlay
6. 46P/Wirtanen
7. 103P/Hartley 2
8. P/2000 G1 Linear
9. 45P/Honda-Mrkos-Pajdusakova
Sergey Shanov
RUSSIA
> Sergey Shanov just commented on the possibility of
> SW3id-meteors:
>
> >IT IS INTERESTING!
>
> YES, definitely it is!
>
> >The considered, that with this comet is bound
> feeble meteoric shower Tau
> >Herculid, usually observable in the beginning of
> June. However, after 1930,
>
> One problem is that the annual activity appears to
> be very very weak, and the
> evidence for the annual activity is quite weak.
> The comet and also its dust trails are very much
> subject to perturbations,
> which spreads the area of possible radiants, in
> any case the name
> HERCULIDS is very confusing, since the predicted
> radiants of dust trail
> encounters happening in the years 1936 1984, 2001,
> 2011, 2017 and 2022 are
> scattered across a vast portion of the sky in the
> Boo/Cvn area, as also
> indicated in Sergey's posting. Therefore one
> should perhaps avoid
> the expression Tau Herculids for the SW3-ids.
>
> >In 1995, during the previous returning to the Sun
> 73P/Schwassmann-Wachmann 3
> >has undergone some flashouts and fragmented, with
> than the probable raise of
> >activity meteoric shower can be bound.
>
> Photgraphic work on the comet by Michael Jaeger
> indicates that considerable
> amounts of dust may have been ejected in 1995. I
> did some dust trail modelling
> of this comet. We encounter the 1995 dust trail on
> 2022-05-31.20 UT,
> but unfortunately I found no earlier passages
> close to this trail.
>
> There are more encounters with dust trails, which
> have been released at
> other (probably more normal) returns of the comet,
> in 2011 and 2017. There
> is SOME chance that we witness some activity THIS
> YEAR (2001-05-30.41 UT)
> from a radiant at 219/37 deg when we encounter the
> 1941 dust trail.
>
> We are just trying to prepare a
> three-author-paper for WGN on the possible
> SW3-ids.
> Rainer Arlt will comment on the evidence for
> previous activity based on archive
> visual and video data, Michael Jaeger's
> high-quality comet photographs from 1990,
> 1995 and 2001 give insight into the anatomy of a
> comet fragmentation during last
> decade. I will present the dust trail data
> mentioned and discuss the chances for
> seeing SW3-ids in the coming decades.
>
> Hartwig Luethen
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