[BAA Comets] The enigma of Comet 29P/Schwassmann-Wachmann 1

Thu Dec 3 11:44:19 GMT 2015

Thanks Roger - Slightly strange - maybe one has to register/sign-in to go 
directly to the page.

One solution - Suggest people access the Icarus "Articles in Press" by going 
to:
http://www.sciencedirect.com/science/journal/aip/00191035

and the two papers are available as the 4th and 7th titles listed.

I should say that only the abstracts are visible if you are not a subscriber 
to ScienceDirect. The articles are yet to have corrections applied to the 
proofs and page numbers to be assigned in the normal way.

--------------

It may be of interest to members of this list that in the "Acknowledgements" 
sections of these papers, the following people have been specifically 
thanked:

Christian Buil
Roger Dymock
George Faillace
Martin C. Faulkes
Paul Feldman
Daniel W.E. Green
Peter Hill
Nick Howes
Brian G. Marsden (late)
Jason McPhate
Alain Maury
Herman Mikuz
J.P. Navarro Pina
Paul Roche
Darryl Sergison
Timothy B. Spahr
David Strange
Alison Tripp
Eric Watkins
Hal Weaver
Gareth V. Williams
Rich Williams
Jure Zakrajsek

The following organisations have been listed, involved in securing images 
using the Faulkes Telescopes:

Castell Alun High School;
Christ's Hospital School;
Colaiste Iognaid, Galway;
Concord College;
Glenlola Collegiate School;
Horbury Academy;
IES La Coma, Spain;
Liberton High School;
Nucleo Interactivo de Astronomia (NUCLIO), Portugal;
Observatory Science Centre Herstmonceux;
Paulet High School;
Radley College;
St. Bernard's High School;
St. David's Catholic College;
Shrewsbury School;
Shooters Hill Post16 Campus;
Sint Augustinus Instituut, Belgium;
Thomas Aveling School.

Data from 234 IAU observatory codes (listed in a table) were employed, of 
whom the following were stated as contributing >100 photometric 
measurements:

213 Ramón Naves, Montse Campas
442 Albert Sanchez
945 José Ramón Vidal
J38 Faustino Garcia
J47 Gustavo Muler
939 Julio Castellano
A77 François Kugel, Claudine Rinner, Alain Klotz
W96 Jean-François Soulier, Alain Maury
H45 P. Clay Sherrod
J70 A. Jimenez, José Pablo Navarro Pina
H47 Charles Bell
A32 Helmut Denzau
232 Esteban Reina
J97 Toni Climent
A24 Elia Cozzi
J76 Sensi Pastor, José Antonio de los Reyes
B96 Erik Bryssinck
585 Alexander Baransky, Klim Churyumov, Vasyl Ponomarenko
A02 Josep-Lluis Salto Gonzalez
379 S. Wakuda

So quite an effort all told. Observations analysed finished on 2014 
September 13, after which time a lot more data have been forthcoming for 
future study.
Richard

----- Original Message ----- 
From: "Roger Dymock" <roger.dymock at ntlworld.com>
To: "'BAA Comets discussion list'" <comets-disc at britastro.org>
Sent: Thursday, December 03, 2015 9:29 AM
Subject: Re: [BAA Comets] The enigma of Comet 29P/Schwassmann-Wachmann 1

> Hi Richard,
>
> Well done to you and your co-authors. Unfortunately the pages mentioned 
> don't appear to exist.
>
> Regards
>
> Roger Dymock
> Email: roger.dymock at ntlworld.com
> Tel: 023 92647986
> Skype: rogerdymock67 or
> Skype: rjvdymock
> Project Alcock http://www.britastro.org/projectalcock/
>
>
> -----Original Message-----
> From: Comets-disc [mailto:comets-disc-bounces at britastro.org] On Behalf Of 
> Richard Miles
> Sent: 02 December 2015 17:35
> To: BAA Comets Discussion List
> Subject: [BAA Comets] The enigma of Comet 29P/Schwassmann-Wachmann 1
>
> Back in 2007, after the dramatic outburst of Comet 17P/Holmes, I became
> convinced that liquids trapped beneath a crust on the nucleus underlie 
> that
> comet's bizarre behaviour. Shortly after, the then Comet Section director,
> Jonathan Shanklin pointed out to me that professional astronomers had not
> acknowledged the presence of liquids in comets, and more especially liquid
> water, and so I should expect some opposition to this idea.
>
> Some 8 years on, I have finally managed to accumulate enough evidence to
> show, amongst other things, that liquids underlie the outbursts of Comet
> 29P/Schwassmann-Wachmann 1 (and some other comets) and that several
> cryovolcanoes exist on its nucleus, which rotates once every 57 days. 
> These
> findings have been made possible thanks to the tens of thousands of
> observations reported to the Minor Planet Center since 2002 by hundreds of
> amateur astronomers worldwide, for which I am most grateful. Comet 
> 29P/SW-1
> looks to be a most strange body and I encourage observers to keep up a 
> close
> watch on the comet when it reappears from conjunction with the Sun next
> February.
>
>
> As of today, 'uncorrected proofs' of two papers on Comet 29P became
> available online via the journal, Icarus. They are:
>
> "Anatomy of outbursts and quiescent activity of comet
> 29P/Schwassmann-Wachmann"
> Authors: Richard Miles, George A. Faillace, Stefano Mottola, Herbert Raab,
> Paul Roche, Jean-François Soulier, Americo Watkins
>
> http://www.sciencedirect.com//article/pii/S0019103515005369
>
> and
>
> "Discrete sources of cryovolcanism on the nucleus of comet
> 29P/Schwassmann-Wachmann and their origin"
> Author: Richard Miles
>
> http://www.sciencedirect.com//article/pii/S0019103515005217
>
>
> One further paper is in the Elsevier/Icarus journal system which includes 
> a
> description of a new source of subsurface heating helping to power 
> outbursts
> of comets in general.
>
>
> Richard Miles
> Director, Asteroids and Remote Planets Section
> BAA
>
> P.S. Corrected proofs of the two papers were sent to Elsevier today.