'Post agb' presentation slideshows

The use of PNe precursors in the study of Diffuse Interstellar Bands

439 views • 30 slides

Dusty disks in evolved stars?

Dusty disks in evolved stars?. Post-AGB (Asymptotic Giant Branch) stars Planetary Nebulae (PNe). Mikako Matsuura NAOJ. What are post-AGB stars, planetary nebulae (PNe)?. Late stage of stellar evolution for low mass stars (1-8 Msun in main sequence).

394 views • 29 slides

Stellar Evolution as seen through the eyes of VLBI and masers

Stellar Evolution as seen through the eyes of VLBI and masers. P.J.Diamond. Jodrell Bank Observatory University of Manchester. Castel San Pietro Terme 19 September 2001. Horizontal Branch: Core suddenly collapses. L decreases abruptly, star is still He-burning with L~50 L o.

384 views • 24 slides

Common Envelope Evolution through Planetary Nebula Eyes Orsola De Marco

Common Envelope Evolution through Planetary Nebula Eyes Orsola De Marco American Museum of Natural History. Collaborators: H.E. Bond, M. Moe, M.-M. Mac Low, E. Sandquist, F. Herwig, R. Taam. Merging binaries. Simulations UKAFF. Outline.

364 views • 21 slides

R. D. Gehrz a and E. E. Becklin b a University of Minnesota

Infrared Spectroscopic Studies of the Physics and Chemistry of Stellar Evolution with the Stratospheric Observatory for Infrared Astronomy (SOFIA). R. D. Gehrz a and E. E. Becklin b a University of Minnesota b Universities Space Research Association.

252 views • 18 slides

A SEARCH FOR BINARIES IN PROTO-PNe

A SEARCH FOR BINARIES IN PROTO-PNe. (LOOKING FOR THE DIRECT EVIDENCE). Bruce J. Hrivnak (Valparaiso University, USA ). Motivation How to detect Radial velocity study Results Implications. APN4: (La Palma June 2007). 1. INTRODUCTION: Why search for binaries in PPNe?

295 views • 18 slides

R. D. Gehrz a and E. E. Becklin b a University of Minnesota

Infrared Spectroscopic Studies of the Physics and Chemistry of Stellar Evolution with the Stratospheric Observatory for Infrared Astronomy (SOFIA). R. D. Gehrz a and E. E. Becklin b a University of Minnesota b Universities Space Research Association.

187 views • 18 slides

Jinhua He ( ??? ) Yunnan Astronomical Observatory (YNAO) Collaborators ?

Jinhua He ( ??? ) Yunnan Astronomical Observatory (YNAO) Collaborators ? Prof . Ryszard Szczerba, Copernicus Astrnomical Center, Poland (NCAC) Dr. Tatsuhiko Hasegawa, ASIAA, Taipei Dr. Miroslaw Schmidt, Copernicus Astrnomical Center, Poland (NCAC).

314 views • 17 slides

Infrared Spectroscopy of Astrophysical Gas, Grains, and Ices with Sofia

Infrared Spectroscopy of Astrophysical Gas, Grains, and Ices with Sofia. R. D. Gehrz a and E. E. Becklin b a University of Minnesota b Universities Space Research Association http://www.sofia.usra.edu. Outline. SOFIA and the Chemical Evolution of the Universe

285 views • 17 slides

Radio and Infrared observations of Transition Objects

Radio and Infrared observations of Transition Objects. Luciano Cerrigone 1,2 , Joseph L. Hora 2 , Grazia Umana 1 , Corrado Trigilio 1 1 INAF, Catania Astrophysical Observatory, Italy 2 Harvard-Smithsonian Center for Astrophysics, USA.

293 views • 12 slides