19992020

Research output per year

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Research Output

2019

Discovery of s-process enhanced stars in the LAMOST survey

Norfolk, B., Casey, A., Karakas, A., Miles, M. T., Kemp, A., Schlaufman, K. C., Ness, M. K., Ho, A., Lattanzio, J. & Ji, A. P., 1 Dec 2019, In : Monthly Notices of the Royal Astronomical Society. 490, 2, p. 2219-2227 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Silicon and iron dust in gamma-ray burst host galaxy absorbers

Zafar, T., Heintz, K. E., Karakas, A., Lattanzio, J. & Ahmad, A., 1 Dec 2019, In : Monthly Notices of the Royal Astronomical Society. 490, 2, p. 2599-2605 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Tidal Interactions between Binary Stars Can Drive Lithium Production in Low-mass Red Giants

Casey, A. R., Ho, A. Y. Q., Ness, M., Hogg, D. W., Rix, H. W., Angelou, G. C., Hekker, S., Tout, C. A., Lattanzio, J. C., Karakas, A. I., Woods, T. E., Price-Whelan, A. M. & Schlaufman, K. C., 1 Aug 2019, In : The Astrophysical Journal. 880, 2, 11 p., 125.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)
2018

An abundance of rare isotopes in a planetary nebula

Karakas, A., 1 Dec 2018, In : Nature. 564, 7736, p. 353-354 2 p.

Research output: Contribution to journalComment / DebateOtherpeer-review

Open Access
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Astronomical detection of radioactive molecule 26AlF in the remnant of an ancient explosion

Kamiński, T., Tylenda, R., Menten, K. M., Karakas, A., Winters, J. M., Breier, A. A., Wong, K. T., Giesen, T. F. & Patel, N. A., 1 Oct 2018, In : Nature Astronomy. 2, 10, p. 778-783 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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6 Citations (Scopus)

Chemical Inhomogeneities in the Pleiades: Signatures of Rocky-forming Material in Stellar Atmospheres

Spina, L., Meléndez, J., Casey, A. R., Karakas, A. I. & Tucci-Maia, M., 20 Aug 2018, In : The Astrophysical Journal. 863, 2, 6 p., 179.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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4 Citations (Scopus)

Do meteoritic silicon carbide grains originate from asymptotic giant branch stars of super-solar metallicity?

Lugaro, M., Karakas, A. I., Peto, M. & Plachy, E., 15 Jan 2018, In : Geochimica et Cosmochimica Acta. 221, p. 6-20 15 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

Nucleosynthesis in primordial hypernovae

Grimmett, J. J., Heger, A., Karakas, A. I. & Müller, B., 1 Sep 2018, In : Monthly Notices of the Royal Astronomical Society. 479, 1, p. 495-516 22 p.

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

On the discovery of K-enhanced and possibly Mg-depleted stars throughout the Milky Way

Kemp, A. J., Casey, A. R., Miles, M. T., Norfolk, B. J., Lattanzio, J. C., Karakas, A. I., Schlaufman, K. C., Ho, A. Y. Q., Tout, C. A., Ness, M. & Ji, A. P., 1 Jan 2018, In : Monthly Notices of the Royal Astronomical Society. 480, 1, p. 1384-1392 9 p.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Thermohaline Mixing in Extremely Metal-poor Stars

Henkel, K., Karakas, A. I., Casey, A. R., Church, R. P. & Lattanzio, J. C., 10 Aug 2018, In : The Astrophysical Journal Letters. 863, 1, 6 p., L5.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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1 Citation (Scopus)

The R-Process Alliance: Discovery of the First Metal-poor Star with a Combined r- and s-process Element Signature

Gull, M., Frebel, A., Cain, M. G., Placco, V. M., Ji, A. P., Abate, C., Ezzeddine, R., Karakas, A. I., Hansen, T. T., Sakari, C., Holmbeck, E. M., Santucci, R. M., Casey, A. R. & Beers, T. C., 1 Aug 2018, In : The Astrophysical Journal. 862, 2, 15 p., 174.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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4 Citations (Scopus)

The temporal evolution of neutron-capture elements in the Galactic discs

Spina, L., Meléndez, J., Karakas, A., dos Santos, L., Bedell, M., Asplund, M., Ramírez, I., Yong, D., Alves-Brito, A., Bean, J. L. & Dreizler, S., Feb 2018, In : Monthly Notices of the Royal Astronomical Society. 474, 2, p. 2580-2593 14 p.

Research output: Contribution to journalArticleResearchpeer-review

30 Citations (Scopus)

X-shooting GRBs at high redshift: Probing dust production history

Zafar, T., Møller, P., Watson, D., Lattanzio, J., Hopkins, A. M., Karakas, A., Fynbo, J. P. U., Tanvir, N. R., Selsing, J., Jakobsson, P., Heintz, K. E., Kann, D. A., Groves, B., Kulkarni, V., Covino, S., D'Elia, V., Japelj, J., Corre, D. & Vergani, S., 11 Oct 2018, In : Monthly Notices of the Royal Astronomical Society. 480, 1, p. 108-118 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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10 Citations (Scopus)
2017

A Chemical Signature from Fast-rotating Low-metallicity Massive Stars: ROA 276 in ω Centauri

Yong, D., Norris, J. E., Costa, G. S. D., Stanford, L. M., Karakas, A. I., Shingles, L. J., Hirschi, R. & Pignatari, M., 16 Mar 2017, In : The Astrophysical Journal. 837, 2, 8 p., 176.

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

A phenomenological modification of thermohaline mixing in globular cluster red giants

Jackson, K., Karakas, A. I. & Lattanzio, J. C., 2017, In : Monthly Notices of the Royal Astronomical Society. 469, 4, p. 4600–4612 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Discovery of a metal-poor, luminous post-AGB star that failed the third dredge-up

Kamath, D., Winckel, H. V., Wood, P. R., Asplund, M., Karakas, A. I. & Lattanzio, J. C., 10 Feb 2017, In : The Astrophysical Journal. 836, 1, 15 p., 15.

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Foreword

Karakas, A., Ventura, P., Dell’Agli, F. & Di Criscienzo, M., 1 Jan 2017, In : Societa Astronomica Italiana. Memorie. 88, 3, p. 231-232 2 p.

Research output: Contribution to journalEditorialOther

Open Access
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Intermediate-mass Asymptotic Giant Branch Stars and Sources of 26Al, 60Fe, 107Pd, and 182Hf in the Solar System

Wasserburg, G. J., Karakas, A. I. & Lugaro, M., 10 Feb 2017, In : The Astrophysical Journal. 836, 1, 8 p., 126.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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7 Citations (Scopus)

Origin of meteoritic stardust unveiled by a revised proton-capture rate of 17 O

Lugaro, M., Karakas, A. I., Bruno, C. G., Aliotta, M., Nittler, L. R., Bemmerer, D., Best, A., Boeltzig, A., Broggini, C., Caciolli, A., Cavanna, F., Ciani, G. F., Corvisiero, P., Davinson, T., Depalo, R., DI Leva, A., Elekes, Z., Ferraro, F., Formicola, A., Fülöp, Z. S. & 17 others, Gervino, G., Guglielmetti, A., Gustavino, C., Gyürky, G., Imbriani, G., Junker, M., Menegazzo, R., Mossa, V., Pantaleo, F. R., Piatti, D., Prati, P., Scott, D. A., Straniero, O., Strieder, F., Szücs, T., Takács, M. P. & Trezzi, D., 2 Mar 2017, In : Nature Astronomy. 1, 5 p., 0027.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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33 Citations (Scopus)

Overshoot inwards from the bottom of the intershell convective zone in (S)AGB stars

Lattanzio, J. C., Tout, C. A., Neumerzhitckii, E. V., Karakas, A. I. & Lesaffre, P., 2017, In : Societa Astronomica Italiana. Memorie. 88, 3, p. 248-251 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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3 Citations (Scopus)

Partial mixing and the formation of 13 C pockets in AGB stars: effects on the s-process elements

Buntain, J. F., Doherty, C. L., Lugaro, M., Lattanzio, J. C., Stancliffe, R. J. & Karakas, A. I., 2017, In : Monthly Notices of the Royal Astronomical Society. 471, 1, p. 824-838 15 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

Precise measurement of the thermal and stellar Fe 54 (n,γ) Fe 55 cross sections via accelerator mass spectrometry

Wallner, A., Buczak, K., Belgya, T., Bichler, M., Coquard, L., Dillmann, I., Golser, R., Käppeler, F., Karakas, A., Kutschera, W., Lederer, C., Mengoni, A., Pignatari, M., Priller, A., Reifarth, R., Steier, P. & Szentmiklosi, L., 28 Aug 2017, In : Physical Review C. 96, 2, 13 p., 025808.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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6 Citations (Scopus)

Sc and neutron-capture abundances in Galactic low- and high-α field halo stars

Fishlock, C. K., Yong, D., Karakas, A. I., Alves-Brito, A., Melendez, J., Nissen, P. E., Kobayashi, C. & Casey, A. R., May 2017, In : Monthly Notices of the Royal Astronomical Society. 466, 4, p. 4672–4682 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Water isotopologues in the circumstellar envelopes of M-type AGB stars

Danilovich, T., Lombaert, R., Decin, L., Karakas, A., Maercker, M. & Olofsson, H., 1 Jun 2017, In : Astronomy & Astrophysics. 602, 11 p., A14.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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9 Citations (Scopus)
2016

Accelerator mass spectrometry measurements of the C 13 (n,γ) C 14 and N 14 (n,p) C 14 cross sections

Wallner, A., Bichler, M., Buczak, K., Dillmann, I., Käppeler, F., Karakas, A., Lederer, C., Lugaro, M., Mair, K., Mengoni, A., Schätzel, G., Steier, P. & Trautvetter, H. P., 11 Apr 2016, In : Physical Review C. 93, 4, 12 p., 045803.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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13 Citations (Scopus)

Current hot questions on the s process in AGB stars

Lugaro, M., Campbell, S., D'Orazi, V., Karakas, A., Garcia-Hernandez, D. A., Stancliffe, R. J., Tagliente, G., Iliadis, C. & Rauscher, T., 5 Jan 2016, Nuclear Physics in Astrophysics VI (NPA6). Chamel, N. (ed.). IOP Publishing, 8 p. 012021. (Journal of Physics: Conference Series; vol. 665).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Open Access
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Detailed homogeneous abundance studies of 14 Galactic s-process enriched post-AGB stars: in search of lead (Pb)

De Smedt, K., Van Winckel, H., Kamath, D., Siess, L., Goriely, S., Karakas, A. I. & Manick, R., 2016, In : Astronomy & Astrophysics. 587, 25 p., A6.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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13 Citations (Scopus)

High-precision analysis of the solar twin HIP 100963

Galarza, J. Y., Meléndez, J., Ramírez, I., Yong, D., Karakas, A. I., Asplund, M. & Liu, F., May 2016, In : Astronomy & Astrophysics. 589, 8 p., A17.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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11 Citations (Scopus)

Nucleosynthetic history of elements in the Galactic disk: [X/Fe]-age relations from high-precision spectroscopy

Spina, L., Melendez, J., Karakas, A. I., Ramirez, I., Monroe, T. R., Asplund, M. & Yong, D., 1 Sep 2016, In : Astronomy & Astrophysics. 593, 14 p., A125.

Research output: Contribution to journalArticleResearchpeer-review

37 Citations (Scopus)

On potassium and other abundance anomalies of red giants in NGC 2419

Iliadis, C., Karakas, A. I., Prantzos, N., Lattanzio, J. C. & Doherty, C. L., 2016, In : The Astrophysical Journal. 818, 1, p. 1-14 14 p., 98.

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)

On the nature of the most obscured C-rich AGB stars in the Magellanic Clouds

Ventura, P., Karakas, A. I., Dell'Agli, F., Garcia-Hernandez, D. A., Boyer, M. L. & Di Criscienzo, M., 2016, In : Monthly Notices of the Royal Astronomical Society. 457, 2, p. 1456-1467 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
17 Citations (Scopus)

Rb and Zr abundances in massive Galactic AGB stars revisited

Pérez-Mesa, V., Zamora, O., Garcia-Hernandez, D. A., Plez, B., Manchado, A., Karakas, A. & Lugaro, M., 8 Aug 2016, p. 1-2. 2 p.

Research output: Contribution to conferencePoster

Open Access
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Stellar yields from metal-rich asymptotic giant branch models

Karakas, A. & Lugaro, M., 1 Jul 2016, In : The Astrophysical Journal. 825, 1, 22 p., 26.

Research output: Contribution to journalArticleResearchpeer-review

96 Citations (Scopus)

The chemical compositions of solar twins in the open cluster M67

Liu, F., Asplund, M., Yong, D., Meléndez, J., Ramírez, I., Karakas, A. I., Carlos, M. & Marino, A. F., 2016, In : Monthly Notices of the Royal Astronomical Society. 463, 1, p. 696-704 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
30 Citations (Scopus)

The diverse origins of neutron-capture elements in the metal-poor star HD 94028: possible detection of products of i-process nucleosynthesis

Roederer, I. U., Karakas, A., Pignatari, M. & Herwig, F., 10 Apr 2016, In : The Astrophysical Journal. 821, 1, 12 p., 37.

Research output: Contribution to journalArticleResearchpeer-review

25 Citations (Scopus)

The role of asymptotic giant branch stars in galactic chemical evolution

Karakas, A. I., 1 Jan 2016, Memorie della Società Astronomica Italiana. Ventura, P., García-Hernández, D. A., Groenewegen, M. & van Loon, J. T. (eds.). 2 ed. Italy: Italian Astronomical Society (SAIt), Vol. 87. p. 229-236 8 p. (Memorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Open Access
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3 Citations (Scopus)

Uncertainties in AGB evolution and nucleosynthesis

Lattanzio, J. & Karakas, A., 8 Aug 2016, 11th Pacific Rim Conference on Stellar Astrophysics: Physics and Chemistry of the Late Stages of Stellar Evolution. Kwok, S. & Leung, K. C. (eds.). Institute of Physics Publishing Ltd, 8 p. 022002. (Journal of Physics: Conference Series; vol. 728).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Open Access
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5 Citations (Scopus)
2015

Carbon-enhanced metal-poor stars: a window on AGB nucleosynthesis and binary evolution - I. Detailed analysis of 15 binary stars with known orbital periods

Abate, C., Pols, O. R., Karakas, A. I. & Izzard, R. G., 2015, In : Astronomy & Astrophysics. 576, 18 p., A118.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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32 Citations (Scopus)

Carbon-enhanced metal-poor stars: a window on AGB nucleosynthesis and binary evolution - II. Statistical analysis of a sample of 67 CEMP-s stars

Abate, C., Pols, O. R., Izzard, R. G. & Karakas, A. I., Sep 2015, In : Astronomy & Astrophysics. 581, 23 p., A22.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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30 Citations (Scopus)

Division G commission 35: Stellar constitution

Limongi, M., Lattanzio, J. C., Charbonnel, C., Dominguez, I., Isern, J., Karakas, A., Leitherer, C., Marconi, M., Shaviv, G. & Van Loon, J., 1 Aug 2015, In : Proceedings of the International Astronomical Union. 11, T29A, p. 436-452 17 p.

Research output: Contribution to journalArticleOther

Evolution and nucleosynthesis of helium-rich asymptotic giant branch models

Shingles, L. J., Doherty, C., Karakas, A., Stancliffe, R. J., Lattanzio, J. C. & Lugaro, M., 2015, In : Monthly Notices of the Royal Astronomical Society. 452, 3, p. 2804-2821 18 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
19 Citations (Scopus)

HIP 10725: the first solar twin/analogue field blue straggler

Schirbel, L., Melendez, J., Karakas, A. I., Ramirez, I., Castro, M., Faria, M. A., Lugaro, M. A., Asplund, M., Maia, M. T., Yong, D., Howes, L. & Nascimento Jr, J. D. D., Dec 2015, In : Astronomy & Astrophysics. 584, 6 p., A116.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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8 Citations (Scopus)

Internal entrainment and the origin of jet-related broad-band emission in Centaurus A

Wykes, S., Hardcastle, M. J., Karakas, A. I. & Vink, J. S., 2015, In : Monthly Notices of the Royal Astronomical Society. 447, 1, p. 1001 - 1013 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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34 Citations (Scopus)

Iron and s-elements abundance variations in NGC 5286: comparison with 'anomalous' globular clusters and Milky Way satellites

Marino, A. F., Milone, A., Karakas, A. I., Casagrande, L., Yong, D., Shingles, L. J., Da Costa, G. S., Norris, J. E., Stetson, P. B., Lind, K., Asplund, M., Collet, R., Jerjen, H., Sbordone, L., Aparicio, A. & Cassisi, S., 11 Jun 2015, In : Monthly Notices of the Royal Astronomical Society. 450, 1, p. 815-845 31 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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85 Citations (Scopus)

Modelling the observed properties of carbon-enhanced metal-poor stars using binary population synthesis

Abate, C., Pols, O. R., Stancliffe, R. J., Izzard, R. G., Karakas, A. I., Beers, T. C. & Lee, Y. S., 2015, In : Astronomy & Astrophysics. 581, p. 1 - 16 16 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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26 Citations (Scopus)

Monash chemical yields project (MonΧey) element production in low- and intermediate-mass stars

Doherty, C., Lattanzio, J., Angelou, G., Campbell, S. W., Church, R., Constantino, T., Cristallo, S., Gil-Pons, P., Karakas, A., Lugaro, M. & Stancliffe, R., 2015, Proceedings of the International Astronomical Union: Astronomy in Focus, XXIXB, Focus Meeting 7, XXIXth IAU General Assembly, August 2015. A29B ed. Vol. 11. p. 164-165 2 p. (Proceedings of the International Astronomical Union).

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

Open Access
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Post-AGB stars in the Magellanic Clouds and neutron-capture processes in AGB stars

Lugaro, M. A., Campbell, S., Van Winckel, H., De Smedt, K., Karakas, A. I. & Kappeler, F., 2015, In : Astronomy & Astrophysics. 583, p. 1-6 6 p., A77.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

R coronae borealis stars are viable factories of pre-solar grains

Karakas, A. I., Ruiter, A. J. & Hampel, M., 21 Aug 2015, In : The Astrophysical Journal. 809, 2, 6 p., 184.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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14 Citations (Scopus)

Stellar yields-theory and observations

Karakas, A. I., Aug 2015, Proceedings of the International Astronomical Union: Astronomy in Focus: As presented at the IAU XXIX General Assembly, 2015. Benvenuti, P. (ed.). A29B ed. Cambridge UK: Cambridge University Press, Vol. 11. p. 162-163 2 p. (Proceedings of the International Astronomical Union).

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

Open Access
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The Chemical Abundances of Stars in the Halo (CASH) project. III. A new classification scheme for carbon-enhanced metal-poor stars with s-process element enhancement

Hollek, J. K., Frebel, A., Placco, V. M., Karakas, A. I., Shetrone, M. D., Sneden, C. A. & Christlieb, N., 25 Nov 2015, In : The Astrophysical Journal. 814, 2, 21 p., 121.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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13 Citations (Scopus)