Heavy elements in planetary nebulae

A theorist's gold mine

Amanda I. Karakas, Maria Lugaro

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

Abstract

Observations of planetary nebulae have revealed a wealth of information about the composition of heavy elements synthesized by the slow neutron capture process (the s process). In some of these nebulae the abundances of neutron-capture elements are enriched by factors of 10 to 30 times the solar value, indicating that these elements were produced in the progenitor star while it was on the asymptotic giant branch (AGB). In this proceedings we summarize results of our recent full s-process network predictions covering a wide range of progenitor masses and metallicities. We compare our model predictions to observations and show how this can provide important insights into nucleosynthesis processes occurring deep within AGB stars.

Original languageEnglish
Title of host publicationPlanetary Nebulae: An Eye to the Future
Subtitle of host publicationProceedings of the 283rd Symposium of the International Astronomical Union held in Puerto de la Cruz, Tenerife, Spain July 25–29, 2011
EditorsArturo Manchado, Letizia Stanghellini, Detlef Schonberner
Place of PublicationCambridge UK
PublisherInternational Astronomical Union
Pages127-130
Number of pages4
Volume7
EditionS283
ISBN (Print)9781107019836
DOIs
Publication statusPublished - 2012
EventInternational Astronomical Union Symposium 2011: Planetary Nebulae: An Eye to the Future - Conference Centre, Puerto de la Cruz, Spain
Duration: 25 Jul 201129 Jul 2011
Conference number: 283
https://web.archive.org/web/20130107164516/http://www.iac.es/congreso/iaus283

Publication series

NameProceedings of the International Astronomical Union
NumberS283
Volume7
ISSN (Print)17439213
ISSN (Electronic)17439221

Conference

ConferenceInternational Astronomical Union Symposium 2011
Abbreviated titleIAUS 2011
CountrySpain
CityPuerto de la Cruz
Period25/07/1129/07/11
Internet address

Keywords

  • abundances
  • Nuclear reactions
  • nucleosynthesis
  • planetary nebulae: general
  • stars: abundances
  • stars: AGB and post-AGB

Cite this

Karakas, A. I., & Lugaro, M. (2012). Heavy elements in planetary nebulae: A theorist's gold mine. In A. Manchado, L. Stanghellini, & D. Schonberner (Eds.), Planetary Nebulae: An Eye to the Future: Proceedings of the 283rd Symposium of the International Astronomical Union held in Puerto de la Cruz, Tenerife, Spain July 25–29, 2011 (S283 ed., Vol. 7, pp. 127-130). (Proceedings of the International Astronomical Union; Vol. 7, No. S283). Cambridge UK: International Astronomical Union. https://doi.org/10.1017/S1743921312010824
Karakas, Amanda I. ; Lugaro, Maria. / Heavy elements in planetary nebulae : A theorist's gold mine. Planetary Nebulae: An Eye to the Future: Proceedings of the 283rd Symposium of the International Astronomical Union held in Puerto de la Cruz, Tenerife, Spain July 25–29, 2011. editor / Arturo Manchado ; Letizia Stanghellini ; Detlef Schonberner. Vol. 7 S283. ed. Cambridge UK : International Astronomical Union, 2012. pp. 127-130 (Proceedings of the International Astronomical Union; S283).
@inproceedings{42b6a78ed89b44a795b0903ea012b9b9,
title = "Heavy elements in planetary nebulae: A theorist's gold mine",
abstract = "Observations of planetary nebulae have revealed a wealth of information about the composition of heavy elements synthesized by the slow neutron capture process (the s process). In some of these nebulae the abundances of neutron-capture elements are enriched by factors of 10 to 30 times the solar value, indicating that these elements were produced in the progenitor star while it was on the asymptotic giant branch (AGB). In this proceedings we summarize results of our recent full s-process network predictions covering a wide range of progenitor masses and metallicities. We compare our model predictions to observations and show how this can provide important insights into nucleosynthesis processes occurring deep within AGB stars.",
keywords = "abundances, Nuclear reactions, nucleosynthesis, planetary nebulae: general, stars: abundances, stars: AGB and post-AGB",
author = "Karakas, {Amanda I.} and Maria Lugaro",
year = "2012",
doi = "10.1017/S1743921312010824",
language = "English",
isbn = "9781107019836",
volume = "7",
series = "Proceedings of the International Astronomical Union",
publisher = "International Astronomical Union",
number = "S283",
pages = "127--130",
editor = "Arturo Manchado and Letizia Stanghellini and Detlef Schonberner",
booktitle = "Planetary Nebulae: An Eye to the Future",
edition = "S283",

}

Karakas, AI & Lugaro, M 2012, Heavy elements in planetary nebulae: A theorist's gold mine. in A Manchado, L Stanghellini & D Schonberner (eds), Planetary Nebulae: An Eye to the Future: Proceedings of the 283rd Symposium of the International Astronomical Union held in Puerto de la Cruz, Tenerife, Spain July 25–29, 2011. S283 edn, vol. 7, Proceedings of the International Astronomical Union, no. S283, vol. 7, International Astronomical Union, Cambridge UK, pp. 127-130, International Astronomical Union Symposium 2011, Puerto de la Cruz, Spain, 25/07/11. https://doi.org/10.1017/S1743921312010824

Heavy elements in planetary nebulae : A theorist's gold mine. / Karakas, Amanda I.; Lugaro, Maria.

Planetary Nebulae: An Eye to the Future: Proceedings of the 283rd Symposium of the International Astronomical Union held in Puerto de la Cruz, Tenerife, Spain July 25–29, 2011. ed. / Arturo Manchado; Letizia Stanghellini; Detlef Schonberner. Vol. 7 S283. ed. Cambridge UK : International Astronomical Union, 2012. p. 127-130 (Proceedings of the International Astronomical Union; Vol. 7, No. S283).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

TY - GEN

T1 - Heavy elements in planetary nebulae

T2 - A theorist's gold mine

AU - Karakas, Amanda I.

AU - Lugaro, Maria

PY - 2012

Y1 - 2012

N2 - Observations of planetary nebulae have revealed a wealth of information about the composition of heavy elements synthesized by the slow neutron capture process (the s process). In some of these nebulae the abundances of neutron-capture elements are enriched by factors of 10 to 30 times the solar value, indicating that these elements were produced in the progenitor star while it was on the asymptotic giant branch (AGB). In this proceedings we summarize results of our recent full s-process network predictions covering a wide range of progenitor masses and metallicities. We compare our model predictions to observations and show how this can provide important insights into nucleosynthesis processes occurring deep within AGB stars.

AB - Observations of planetary nebulae have revealed a wealth of information about the composition of heavy elements synthesized by the slow neutron capture process (the s process). In some of these nebulae the abundances of neutron-capture elements are enriched by factors of 10 to 30 times the solar value, indicating that these elements were produced in the progenitor star while it was on the asymptotic giant branch (AGB). In this proceedings we summarize results of our recent full s-process network predictions covering a wide range of progenitor masses and metallicities. We compare our model predictions to observations and show how this can provide important insights into nucleosynthesis processes occurring deep within AGB stars.

KW - abundances

KW - Nuclear reactions

KW - nucleosynthesis

KW - planetary nebulae: general

KW - stars: abundances

KW - stars: AGB and post-AGB

UR - http://www.scopus.com/inward/record.url?scp=84865721010&partnerID=8YFLogxK

U2 - 10.1017/S1743921312010824

DO - 10.1017/S1743921312010824

M3 - Conference Paper

SN - 9781107019836

VL - 7

T3 - Proceedings of the International Astronomical Union

SP - 127

EP - 130

BT - Planetary Nebulae: An Eye to the Future

A2 - Manchado, Arturo

A2 - Stanghellini, Letizia

A2 - Schonberner, Detlef

PB - International Astronomical Union

CY - Cambridge UK

ER -

Karakas AI, Lugaro M. Heavy elements in planetary nebulae: A theorist's gold mine. In Manchado A, Stanghellini L, Schonberner D, editors, Planetary Nebulae: An Eye to the Future: Proceedings of the 283rd Symposium of the International Astronomical Union held in Puerto de la Cruz, Tenerife, Spain July 25–29, 2011. S283 ed. Vol. 7. Cambridge UK: International Astronomical Union. 2012. p. 127-130. (Proceedings of the International Astronomical Union; S283). https://doi.org/10.1017/S1743921312010824