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The Real-Time Evolution of Sakurai's Star (V4334 Sgr) and other (V)LTP Objects

Published online by Cambridge University Press:  15 December 2006

P.A.M. van Hoof ,
M. Bryce ,
A. Evans ,
S.P.S. Eyres ,
M. Hajduk ,
F. Herwig ,
F. Kerber ,
S. Kimeswenger ,
J.A. López  and
M. Matsuura
...Show all authors
P.A.M. van Hoof
Affiliation:
Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
M. Bryce
Affiliation:
Jodrell Bank Observatory, University of Manchester, Macclesfield, Cheshire SK11 9DL, UK
A. Evans
Affiliation:
Department of Physics, Keele University, Staffordshire ST5 5BG, UK
S.P.S. Eyres
Affiliation:
Centre for Astrophysics, University of Central Lancashire, Preston PRI 2HE, UK
M. Hajduk
Affiliation:
Univ. of Manchester, School of Physics & Astronomy, P.O. Box 88, Manchester M60 1QD, UK Centrum Astronomii UMK, ul. Gagarina 11, PL-87-100 Toruń, Poland
F. Herwig
Affiliation:
LANL, Theoretical Astrophysics Group T-6, MS B227, Los Alamos, NM 87545, USA
F. Kerber
Affiliation:
European Southern Observatory, Karl-Schwarzschild-Strasse 2, 85478 Garching, Germany
S. Kimeswenger
Affiliation:
Inst. für Astro– & Teilchenphysik, Univ. Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria
J.A. López
Affiliation:
Instituto de Astronomía UNAM, Apdo. Postal 77, 22800 Ensenada, BC, Mexico
M. Matsuura
Affiliation:
Univ. of Manchester, School of Physics & Astronomy, P.O. Box 88, Manchester M60 1QD, UK APS Division, Dept. of Physics & Astronomy, Queen's University Belfast, BT7 1NN, UK ARC, National Astronomical Observatory of Japan, Mitaka, Tokyo 181-8588, Japan
D.L. Pollacco
Affiliation:
APS Division, Dept. of Physics & Astronomy, Queen's University Belfast, BT7 1NN, UK
G.C. Van de Steene
Affiliation:
Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
A.A. Zijlstra
Affiliation:
Univ. of Manchester, School of Physics & Astronomy, P.O. Box 88, Manchester M60 1QD, UK
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Abstract

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We report on the progress of our on-going campaign to monitor the evolution of the VLTP objects V4334 Sgr and V605 Aql, as well as the suspected (V)LTP object CK Vul. V4334 Sgr does not show signs of increased ionization compared to our previous observations in 2004. We obtained the first radio detection of V605 Aql, indicating a strong increase in radio flux since 1987. We also present the first radio detection of CK Vul and discuss the expansion of the material ejected during the 1670 event.

Keywords

stars: AGB and post-AGBstars: evolutioncircumstellar matterstars: windsoutflows
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S234: Planetary Nebulae in our Galaxy and Beyond , April 2006 , pp. 75 - 78
Copyright
© 2006 International Astronomical Union