News

Contacts
Room 2.013
Argelander-Institut für Astronomie
Auf dem Hügel 71
D-53121 Bonn
Germany

Email:
rjstancl{-at-}astro.uni-bonn.de
Tel:
+49 228 737834





Funded by:
2017
Jul. 2017 Congratulations to Elvijs on getting the next two papers from his Ph.D. published. They are on How much mass and angular momentum can the progenitors of carbon-enriched stars accrete? and Rotational mixing in carbon-enhanced metal-poor stars with s-process enrichment.
Jun. 2017 Our paper on Partial mixing and the formation of 13C pockets in AGB stars: effects on the s-process elements is accepted for publication in MNRAS.
Richard gives an invited talk on the s process at the Felsenkeller workshop.
May 2017 Our paper on whether the helium-enriched main-sequence donor scenario hide enough hydrogen to explain Type Ia supernovae? is accepted for publication in MNRAS Letters.
Richard attends the Stellar Hydro Days IV workshop, in Victoria, Canada.
2016
Dec. 2016 Our paper on determining stellar masses using oxygen isotopes is accepted for publication in A&A.
Simon Jeffery (Armagh) and Rob Izzard (Cambridge) visit the group.
Nov. 2016 Richard attends the Galactic Archaeology and Stellar Physics meeting in Canberra.
Richard does a 4-night observing run for the GALAH survey, using the AAT.
Aug. 2016 Our i-process paper is accepted for publication in ApJ.
Congratulations to Melanie on winning a poster prize at First Stars V in Heidelberg!
Carlo, Elvijs and Richard attend the Torino Workshop in Budapest
Jul. 2016 The group invades Cambridge for the Binaries in Cambridge meeting. Elvijs wins a prize for his poster -- congratulations!
Jun. 2016 Richard attends Nuclei in the Cosmos XIV and presents Melanie's i-process work.
May. 2016 The first paper from Elvijs' Ph.D. is accepted for publication in A&A. Congratulations, Elvijs!
Elvijs attends the 6th Les Houches School in Numerical Physics.
Apr. 2016 Our paper on the progenitor of 2012cg is accepted for publication in MNRAS.
2015
Dec. 2015 The second paper in the CUSP series, on comparing stellar tracks, is accepted for publication in A&A.
Our paper on the origin of CEMP-r/s stars is accepted for publication in A&A.
Nov. 2015 Congratulations to Carlo on being awarded an Alexander von Humboldt fellowship.
Michael Fuchs submits his Masters thesis. Well done!
Richard gives seminars on carbon-enhanced metal-poor stars in Onsala and Lund, Sweden.
Sep. 2015 Richard attends the Astronomische Gesellschaft annual meeting in Kiel, and presents a talk in the Chemical Oddballs splinter session.
Paper Did the progenitor of SN2011dh have a binary companion? accepted for publication in MNRAS.
Paper on The interaction of core-collapse supernova ejecta with a companion star accepted for publication in A&A.
Paper on Early ultraviolet signatures from the interaction of Type Ia supernova ejecta with a stellar companion accepted for publication in MNRAS.
Aug. 2015 Masters student Melanie Hampel submits her thesis. Hers is the first Masters thesis from the group -- congratulations, Melanie!
Richard attends the IAU General Assembly in Honolulu, Hawaii. He presents an invited talk on stellar evolution codes in Focus Meeting 17.
Jul. 2015 Paper on Modelling the observed properties of carbon-enhanced metal-poor stars using binary population synthesis accepted for publication in A&A.
Paper on Evolution and nucleosynthesis of helium-rich asymptotic giant branch models accepted for publication in MNRAS.
Jun. 2015 Paper on Pre-explosion companion stars in Type Iax supernovae accepted for publication in ApJ.
May 2015 Richard attends the MIAPP workshop "The New Milky Way" and leads a chalk-and-talk session on "How do we know what abundances stars should have?".
Apr. 2015 Paper on Diagnostics of Stellar Modelling from Spectroscopy and Photometry of Globular Clusters accepted for publication in MNRAS.
Jan. 2015 Paper on calibrating convective overshooting with eclipsing binaries accepted for publication in A&A.
2014
Dec. 2014 Congratulations to Carlo on successfully defending his Ph.D. thesis!
Paper on Constraints on single-degenerate Chandrasekhar mass progenitors of Type Iax supernovae accepted for publication in A&A.
Nov. 2014 Carlo Abate joins the group. He will be working on binary population synthesis of CEMP systems.
Oct. 2014 Paper on the Numerical Treatment and Dependence of Thermohaline Mixing in Red Giants accepted for publication in MNRAS.
Paper on Carbon-Enhanced Metal-Poor Star Frequencies in the Galaxy: Corrections for the Effect of Evolutionary Status on Carbon Abundances accepted for publication in ApJ.
Sep. 2014 Richard gives an invited talk at "Binary stars: their evolution and environments", Ulaanbaatar, Mongolia.
Jul. 2014 Richard attends "Why Galaxies Care about AGB Stars III" in Vienna.
We host the 568th Wilhelm and Else Heraeus Seminar "Nucleosynthesis in Asymptotic Giant Branch stars" in Bad Honnef.
Elvijs attends Nuclei in the Cosmos XII in Debrecen
Apr. 2014 Our paper on Seven New Carbon-Enhanced Metal-Poor RR Lyrae Stars is accepted for publication in ApJ.
2013
Dec. 2013 Paper on molecular opacities in AGB models accepted for publication in MNRAS.
Oct. 2013 Ph.D. student Elvijs Matrozis joins the group. He will be working on mixing processes in the secondaries of CEMP systems.
Jul. 2013 Paper on abundances in CEMP RR Lyrae stars accepted for publication in MNRAS
Richard attends the Lorentz Centre workshop "Steps Towards a New Generation of Stellar Models"
Jun. 2013 Richard visits Monash University and attends the KASC-6 meeting in Sydney.
Nature paper on on sodium in globular cluster stars is published.
Apr. 2013 Paper on s-process abundances in two CEMP stars accepted for publication in ApJ
Mar. 2013 Paper on helium-3 abundances in planetary nebulae accepted for publication in MNRAS.
Catherine Kennedy taking WiFeS data of potential CEMP RR-Lyrae stars at Siding Spring
Richard attends the 10th Russbach Workshop on nuclear astrophysics.
Feb. 2013 Paper on Detection of a magnetic field in three old and inactive solar-like planet-hosting stars accepted to A&A.
Nov. 2012 Richard receives his Sofja Kovalevskaja Award at the award ceremony in Berlin.
Ap.J. Letter on cyanogen in globular cluster NGC 1851 accepted.
Oct. 2012 Moved to Bonn and officially started my new position!