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Results 1 - 39 of 39

Barium stars as tracers of s-process nucleosynthesis in AGB stars I. 28 stars with independently derived AGB mass. (arXiv:2201.13379v1 [astro-ph.SR])
- Volume 17, Issue 5 - article #1
- B. Cseh, B. Világos, M. P. Roriz, C. B. Pereira, V. D'Orazi, A. I. Karakas, B. Soós, N. A. Drake, S. Junqueira, M. Lugaro
- http://arxiv.org/abs/2201.13379
Galactic Chemical Evolution of Radioactive Isotopes with an s-process Contribution. (arXiv:2110.11126v1 [astro-ph.GA])
- Volume 16, Issue 43 - article #3
- T. C. L. Trueman, B. Côté, A. Yagüe López, J. den Hartogh, M. Pignatari, B. Soós, A. I. Karakas, M. Lugaro
- http://arxiv.org/abs/2110.11126
Heavy elements in barium stars. (arXiv:2108.08132v1 [astro-ph.SR])
- Volume 16, Issue 34 - article #1
- M. P. Roriz, M. Lugaro, C. B. Pereira, C. Sneden, S. Junqueira, A. I. Karakas, N. A. Drake
- http://arxiv.org/abs/2108.08132
The GALAH Survey: Non-LTE departure coefficients for large spectroscopic surveys. (arXiv:2008.09582v1 [astro-ph.SR])
- Volume 15, Issue 35 - article #8
- A. M. Amarsi, K. Lind, Y. Osorio, T. Nordlander, M. Bergemann, H. Reggiani, E. X. Wang, S. Buder, M. Asplund, P. S. Barklem, A. Wehrhahn, Á. Skúladóttir, C. Kobayashi, A. I. Karakas, X. D. Gao, J. Bland-Hawthorn, G. M. De Silva, J. Kos, G. F. Lewis, S. L. Martell, S. Sharma, J. D. Simpson, D. B. Zucker, K. Čotar, J. Horner, the GALAH collaboration
- http://arxiv.org/abs/2008.09582
The s process in AGB stars as constrained by a large sample of Barium stars. (arXiv:1810.01788v1 [astro-ph.SR])
- Volume 13, Issue 40 - article #8
- B. Cseh, M. Lugaro, V. D'Orazi, D. B. de Castro, C. B. Pereira, A. I. Karakas, L. Molnár, E. Plachy, R. Szabó, M. Pignatari, S. Cristallo
- http://arxiv.org/abs/1810.01788
Discovery of a Metal-poor, Luminous Post-AGB Star that Failed the Third Dredge-up. (arXiv:1710.04368v1 [astro-ph.SR])
- Volume 12, Issue 41 - article #2
- D. Kamath, H. Van Winckel, P. R. Wood, M. Asplund, M., A. I. Karakas, J. C. Lattanzio
- http://arxiv.org/abs/1710.04368
The chemical compositions of solar twins in the open cluster M67. (arXiv:1608.03788v1 [astro-ph.SR])
- Volume 11, Issue 34 - article #8
- F. Liu, M. Asplund, D. Yong, J. Melendez, I. Ramirez, A. I. Karakas, M. Carlos, A. F. Marino
- http://arxiv.org/abs/1608.03788
On Potassium and Other Abundance Anomalies of Red Giants in NGC 2419
- Volume 11, Issue 9 - article #13
- C. Iliadis, A. I. Karakas, N. Prantzos, J. C. Lattanzio, and C. L. Doherty
- The Astrophysical Journal - Volume: 818, Issue: 1
- View article PDF (1.54 MB)
Post-AGB stars in the Magellanic Clouds and neutron-capture processes in AGB stars
- Volume 10, Issue 34 - article #6
- M. Lugaro, S. W. Campbell, H. Van Winckel, K. De Smedt, A. I. Karakas, F. Käppeler
- arXiv.org - Astrophysics - Volume: 2015, Issue: 18 Sep
- arXiv:1509.03518 [pdf, ps, other]
Modelling the observed properties of carbon-enhanced metal-poor stars using binary population synthesis
- Volume 10, Issue 26 - article #5
- C. Abate, O. R. Pols, R.J. Stancliffe, R. G. Izzard, A. I. Karakas, T. C. Beers, Y. S. Lee
- arXiv.org - Astrophysics - Volume: 2015, Issue: 24 Jul
- arXiv:1507.04969 [pdf, other]
Carbon-enhanced metal-poor stars: a window on AGB nucleosynthesis and binary evolution. II. Statistical analysis of a sample of 67 CEMP-$s$ stars
- Volume 10, Issue 25 - article #17
- C. Abate, O. R. Pols, R. G. Izzard, A. I. Karakas
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Jul
- arXiv:1507.04662 [pdf, other]
Iron and s-elements abundance variations in NGC 5286: comparison with ‘anomalous' globular clusters and Milky Way satellites
- Volume 10, Issue 18 - article #24
- A. F. Marino, A. P. Milone, A. I. Karakas, L. Casagrande, D. Yong, L. Shingles, G. Da Costa, J. E. Norris, P. B. Stetson, K. Lind, M. Asplund, R. Collet, H. Jerjen, L. Sbordone, A. Aparicio, and S. Cassisi
- Monthly Notices of the Royal Astronomical Society - Volume: 450, Issue: 1
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
The Large Magellanic Cloud as a laboratory for Hot Bottom Burning in massive Asymptotic Giant Branch stars
- Volume 10, Issue 16 - article #17
- P. Ventura, A. I. Karakas, F. Dell'Agli, M. L. Boyer, D. A. García-Hernández, M. Di Criscienzo, R. Schneider
- arXiv.org - Astrophysics - Volume: 2015, Issue: 24 Apr
- arXiv:1504.06098 [pdf, other]
Witnessing the Emergence of a Carbon Star
- Volume 10, Issue 15 - article #16
- L. Guzman-Ramirez, E. Lagadec, R. Wesson, A. A. Zijlstra, A. Muller, D. Jones, H. M. J. Boffin, G. C. Sloan, M. P. Redman, A. Smette, A. I. Karakas, Lars-Ake Nyman
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Apr
- arXiv:1504.03349 [pdf, other]
Carbon-enhanced metal-poor stars: a window on AGB nucleosynthesis and binary evolution. I. Detailed analysis of 15 binary stars with known orbital periods
- Volume 10, Issue 9 - article #2
- C. Abate, O.R. Pols, A. I. Karakas, R.G. Izzard
- arXiv.org - Astrophysics - Volume: 2015, Issue: 6 Mar
- arXiv:1502.07759 [pdf, other]
Iron and s-elements abundance variations in NGC5286: comparison with anomalous globular clusters and Milky Way satellites
- Volume 10, Issue 8 - article #4
- A. F. Marino, A. P. Milone, A. I. Karakas, L. Casagrande, D. Yong, L. Shingles, G. Da Costa, J. E. Norris, P.B. Stetson, K. Lind, M. Asplund, R. Collet, H. Jerjen, L. Sbordone, A. Aparicio, S. Cassisi
- arXiv.org - Astrophysics - Volume: 2015, Issue: 27 Feb
- arXiv:1502.07438 [pdf, ps, other]
Evolution and nucleosynthesis of asymptotic giant branch stellar models of low metallicity
- Volume 9, Issue 23 - article #37
- C. K. Fishlock, A. I. Karakas, M. Lugaro, D. Yong
- arXiv.org - Astrophysics - Volume: 2014, Issue: 31 Oct
- arXiv:1410.7457 [pdf, other]
The lead discrepancy in intrinsically s-process enriched post-AGB stars in the Magellanic Clouds
- Volume 9, Issue 16 - article #23
- K. De Smedt, H. Van Winckel, D. Kamath, A. I. Karakas, L. Siess, S. Goriely and P. Wood
- Astronomy and Astrophysics - Volume: 563, Issue: March 2014
- http://dx.doi.org/10.1051/0004-6361/201323212
  Abstract Full HTML PDF (768.8 KB) References NASA ADS Abstract Service
Hot bottom burning and s-process nucleosynthesis in massive AGB stars at the beginning of the thermally-pulsing phase
- Volume 8, Issue 29 - article #23
- D. A. GarcÃa-HernÃ¡ndez, O. Zamora, A. YagÃ¼e, S. Uttenthaler, A. I. Karakas, M. Lugaro, P. Ventura and D. L. Lambert
- Astronomy and Astrophysics - Volume: 555, Issue: July 2013
- http://dx.doi.org/10.1051/0004-6361/201321818
  Abstract Full HTML PDF (1.248 MB) References Online Material NASA ADS Abstract Service
Hot bottom burning and s-process nucleosynthesis in massive AGB stars at the beginning of the thermally-pulsing phase
- Volume 8, Issue 24 - article #7
- D. A. Garcia-Hernandez, O. Zamora, A. Yagüe, S. Uttenthaler, A. I. Karakas, M. Lugaro, P. Ventura, D. L. Lambert
- arXiv.org - Astrophysics - Volume: 2013, Issue: 14 Jun
- arXiv:1306.2134 [pdf, ps, other]
LTE or non-LTE, that is the question - The NLTE chemical evolution of strontium in extremely metal-poor stars
- Volume 8, Issue 11 - article #8
- C. J. Hansen, M. Bergemann, G. Cescutti, P. FranÃ§ois, A. Arcones, A. I. Karakas, K. Lind and C. Chiappini
- Astronomy and Astrophysics - Volume: 551, Issue: March 2013
- http://dx.doi.org/10.1051/0004-6361/201220584
  Abstract Full HTML PDF (522.2 KB) References NASA ADS Abstract Service
Nucleosynthesis in massive AGB stars with delayed superwinds: implications for the abundance anomalies in Globular Clusters
- Volume 8, Issue 2 - article #11
- D. A. Garcia-Hernandez, A. I. Karakas, M. Lugaro
- arXiv.org - Astrophysics - Volume: 2013, Issue: 11 Jan
- arXiv:1301.1492 [pdf, ps, other]
Short-lived radioactivity in the early Solar System: the Super-AGB star hypothesis
- Volume 7, Issue 35 - article #12
- Maria Lugaro, Carolyn L. Doherty, Amanda. I. Karakas, Sarah T. Maddison, Kurt Liffman, D. A. García-Hernández, Lionel Siess, John C. Lattanzio
- arXiv.org - Astrophysics - Volume: 2012, Issue: 31 Aug
- arXiv:1208.5816 [pdf]
Evolution and Nucleosynthesis of Asymptotic Giant Branch Stars in Three Magellanic Cloud Clusters
- Volume 7, Issue 15 - article #29
- D. Kamath, A. I. Karakas, and P. R. Wood
- The Astrophysical Journal - Volume: 746, Issue: 1
- Abstract References Full text PDF (1.04 MB) View as HTML
The chemical evolution of globular clusters – II. Metals and fluorine
- Volume 7, Issue 2 - article #26
- P. Sánchez-Blázquez, A. Marcolini, B. K. Gibson, A. I. Karakas, K. Pilkington and F. Calura
- Monthly Notices of the Royal Astronomical Society - Volume: 419, Issue: 2
- Abstract Full Article (HTML)PDF(2209K)References Request Permissions
Evolution and Nucleosynthesis of AGB stars in Three Magellanic Cloud Clusters
- Volume 6, Issue 45 - article #6
- D. Kamath, A. I. Karakas, P. R. Wood
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Nov
- arXiv:1111.1722 [pdf, ps, other]
Double white dwarf mergers and elemental surface abundances in extreme helium and R Coronae Borealis stars
- Volume 6, Issue 27 - article #28
- C. S. Jeffery, A. I. Karakas and H. Saio
- Monthly Notices of the Royal Astronomical Society - Volume: 414, Issue: 4
- Abstract Full Article (HTML)PDF(820K)References Request Permissions
Evolution and nucleosynthesis of extremely metal-poor and metal-free low- and intermediate-mass stars - II. s-process nucleosynthesis during the core He flash
- Volume 6, Issue 6 - article #26
- S. W. Campbell, M. Lugaro and A. I. Karakas
- Astronomy and Astrophysics - Volume: 522, Issue: November 2010
- Full HTML | PDF (446.7 KB) | PS (208.5 KB) | References | NASA ADS Abstract Service
Quantifying the uncertainties of chemical evolution studies. II. Stellar yields
- Volume 5, Issue 27 - article #19
- D. Romano, A. I. Karakas, M. Tosi, F. Matteucci
- arXiv.org - Astrophysics - Volume: 2010, Issue: 2 Jul
- arXiv:1006.5863 [pdf, ps, other]
Updated stellar yields from asymptotic giant branch models
- Volume 5, Issue 20 - article #68
- A. I. Karakas
- Monthly Notices of the Royal Astronomical Society - Volume: 403, Issue: 3
- Abstract | References | Full Text: HTML, PDF (Size: 1200K) | Supporting information
  Save Article
Two distinct sequences of blue straggler stars in the globular cluster M30
- Volume 5, Issue 2 - article #15
- F. R. Ferraro (1), G. Beccari (2), E. Dalessandro (1), B. Lanzoni (1), A. Sills (3), R. T. Rood (4), F. Fusi Pecci (5), A. I. Karakas (6), P. Miocchi (1), S. Bovinelli (1) ((1) Department of Astronomy, University of Bologna, Italy, (2) ESA, Space Science Department, The Netherlands, (3) McMaster University, Department of Physics and Astronomy, Canada, (4) Astronomy Department, University of Virginia, USA, (5) INAF, Osservatorio Astronomico di Bologna, Italy, (6) Research School of Astronomy and Astrophysics, Mt Stromlo Observatory, Australia)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 8 Jan
- arXiv:1001.1096 [pdf, other]
Two distinct sequences of blue straggler stars in the globular cluster M 30
- Volume 4, Issue 52 - article #21
- F. R. Ferraro, G. Beccari, E. Dalessandro, B. Lanzoni, A. Sills, R. T. Rood, F. Fusi Pecci, A. I. Karakas, P. Miocchi & S. Bovinelli
- Nature - Volume: 462, Issue: 7276
- First paragraph | Full Text | PDF (359K) | Supplementary information
Rb-rich Asymptotic Giant Branch stars in the Magellanic Clouds
- Volume 4, Issue 39 - article #12
- D. A. Garcia-Hernandez, A. Manchado, D. L. Lambert, B. Plez, P. Garcia-Lario, F. D'Antona, M. Lugaro, A. I. Karakas, M. van Raai
- arXiv.org - Astrophysics - Volume: 2009, Issue: 25 Sep
- arXiv:0909.4391 [ps, pdf, other]
The chemical evolution of globular clusters – I. Reactive elements and non-metals
- Volume 4, Issue 18 - article #19
- A. Marcolini, B. K. Gibson, A. I. Karakas, P. Sánchez-Blázquez
- Monthly Notices of the Royal Astronomical Society - Volume: 395, Issue: 2
- Abstract | References | Full Text: HTML, PDF (Size: 6627K)
  Save Article
Population nucleosynthesis in single and binary stars - I. Model
- Volume 3, Issue 36 - article #20
- R. G. Izzard, L. M. Dray, A. I. Karakas, M. Lugaro, and C. A. Tout
- Astronomy and Astrophysics - Volume: 460, Issue: 2
- Abstract | Full HTML | PDF file (3.29 MB) | PS file (2.90 MB) | References | Online Material
Fluorine in carbon-enhanced metal-poor stars: a binary scenario
- Volume 3, Issue 23 - article #22
- M. Lugaro, S. E. de Mink, R. G. Izzard, S. W. Campbell, A. I. Karakas, S. Cristallo, O. R. Pols, J. C. Lattanzio, O. Straniero, R. Gallino, and T. C. Beers
- Astronomy and Astrophysics - Volume: 484, Issue: 3
- Abstract | PDF file (140.0 KB) | PS file (120.3 KB)
Fluorine in carbon-enhanced metal-poor stars: a binary scenario
- Volume 3, Issue 19 - article #8
- M. Lugaro, S. E. de Mink, R. G. Izzard, S. W. Campbell, A. I. Karakas, S. Cristallo, O. R. Pols, J. C. Lattanzio, O. Straniero, R. Gallino, T. C. Beers
- arXiv.org - Astrophysics - Volume: 2008, Issue: 8 May
- arXiv:0805.1121 [ps, pdf, other]
Reaction rate uncertainties and $mathsf}$Al in AGB silicon carbide stardust
- Volume 3, Issue 3 - article #25
- M. A. van Raai, M. Lugaro, A. I. Karakas, and C. Iliadis
- Astronomy and Astrophysics - Volume: 478, Issue: 2
- Abstract | PDF file (320.5 KB) | PS file (1.547 MB)
The Uncertainties in the ²²Ne+α-Capture Reaction Rates and the Production of the Heavy Magnesium Isotopes in Asymptotic Giant Branch Stars of Intermediate Mass
- Volume 1, Issue 17 - article #4
- A. I. Karakas, M. A. Lugaro, M. Wiescher, J. Görres, and C. Ugalde
- The Astrophysical Journal - Volume643, Issue 1
- ABSTRACT, FULL TEXT, PDF (600 kB), PS

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