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Results 1 - 29 of 29

S-Process Nucleosynthesis in Chemically Peculiar Binaries
- Virtual Journal - Volume 22, Issue 39 - article #6
- A. J. Dimoff, C. J. Hansen, R. J. Stancliffe, B. Kubatova, I. Stateva, A. Kucinskas, V. Dobrovolskas
- https://arxiv.org/abs/2409.16761
Neutrino-driven Outflows and the Elemental Abundance Patterns of Very Metal-poor Stars
- Virtual Journal - Volume 22, Issue 17 - article #12
- A. Psaltis, M. Jacobi, F. Montes, A. Arcones, C. J. Hansen, H. Schatz
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad2dfb
Constraining Nucleosynthesis in Neutrino-driven Winds: Observations, Simulations, and Nuclear Physics
- Virtual Journal - Volume 20, Issue 31 - article #39
- A. Psaltis, A. Arcones, F. Montes, P. Mohr, C. J. Hansen, M. Jacobi, H. Schatz
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac7da7
Extreme r-process Enhanced Stars at High Metallicity in Fornax
- Virtual Journal - Volume 19, Issue 21 - article #30
- M. Reichert, C. J. Hansen,, A. Arcones
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/912/2/157
Extreme r-process enhanced stars at high metallicity in Fornax. (arXiv:2102.08399v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 8 - article #3
- M. Reichert, C. J. Hansen, A. Arcones
- http://arxiv.org/abs/2102.08399
Neutron-capture elements in dwarf galaxies
- Virtual Journal - Volume 18, Issue 7 - article #9
- Ã. SkÃºladÃ³ttir, C. J. Hansen, A. Choplin, S. Salvadori, M. Hampel, S. W. Campbell
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/GRjZIj5ZxAA/201937075
r-Process Nucleosynthesis: Connecting Rare-Isotope Beam Facilities with the Cosmos. (arXiv:1805.04637v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 20 - article #8
- C. J. Horowitz, A. Arcones, B. Côté, I. Dillmann, W. Nazarewicz, I. U. Roederer, H. Schatz, A. Aprahamian, D. Atanasov, A. Bauswein, J. Bliss, M. Brodeur, J. A. Clark, A. Frebel, F. Foucart, C. J. Hansen, O. Just, A. Kankainen, G. C. McLaughlin, J. M. Kelly, S. N. Liddick, D. M. Lee, J. Lippuner, D. Martin, J. Mendoza-Temis, B. D. Metzger, M. R. Mumpower, G. Perdikakis, J. Pereira, B. W. O'Shea, R. Reifarth, A. M. Rogers, D. M. Siegel, A.Spyrou, R. Surman, X. Tang, T. Uesaka, M. Wang
- http://arxiv.org/abs/1805.04637
The Gaia-ESO Survey: Galactic evolution of sulphur and zinc. (arXiv:1704.02981v1 [astro-ph.SR])
- Virtual Journal - Volume 15, Issue 15 - article #7
- S. Duffau, E. Caffau, L. Sbordone, P. Bonifacio, S. Andrievsky, S. Korotin, C. Babusiaux, S. Salvadori, L. Monaco, P. Francois, A. Skuladottir, A. Bragaglia, P. Donati, L. Spina, A. J. Gallagher, H.-G. Ludwig, N. Christlieb, C. J. Hansen, A. Mott, M. Steffen, S. Zaggia, S. Blanco-Cuaresma, F. Calura, E. Friel, F. M. Jimenez-Esteban, A. Koch, L. Magrini, E. Pancino, B. Tang, G. Tautvaisiene, A. Vallenari, K. Hawkins, G. Gilmore, S. Randich, S. Feltzing, T. Bensby, E. Flaccomio, R. Smiljanic, A. Bayo, G. Carraro, A.R. Casey, M. T. Costado, F. Damiani, E. Franciosini, A. Hourihane, P. Jofre, C. Lardo, J. Lewis, L. Morbidelli, S. G. Sousa, C. C. Worley
- http://arxiv.org/abs/1704.02981
Insights into the chemical composition of the metal-poor Milky Way halo globular cluster NGC 6426. (arXiv:1612.05989v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 52 - article #9
- M. Hanke, A. Koch, C. J. Hansen, A. McWilliam
- http://arxiv.org/abs/1612.05989
Something borrowed, something blue: The nature of blue metal-poor stars inferred from their colours and chemical abundances. (arXiv:1611.03494v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 47 - article #7
- C. J. Hansen, P. Jofre, A. Koch, A McWilliam, C. S. Sneden
- http://arxiv.org/abs/1611.03494
EELT-HIRES the high-resolution spectrograph for the E-ELT. (arXiv:1609.00497v1 [astro-ph.IM])
- Virtual Journal - Volume 14, Issue 37 - article #7
- A. Marconi, P. Di Marcantonio, V. D'Odorico, S. Cristiani, R. Maiolino, E. Oliva, L. Origlia, M. Riva, L. Valenziano, F. M. Zerbi, M. Abreu, V. Adibekyan, C. Allende Prieto, P. J. Amado, W. Benz, I. Boisse, X. Bonfils, F. Bouchy, L. Buchhave, D. Buscher, A. Cabral, B. L. Canto Martins, A. Chiavassa, J. Coelho, L. B. Christensen, E. Delgado-Mena, J. R. De Medeiros, I. Di Varano, P. Figueira, M. Fisher, J. P. U. Fynbo, A.C.H. Glasse, M. Haehnelt, C. Haniff, C. J. Hansen, A. Hatzes, P. Huke, A. J. Korn, I. C. Leao, J. Liske, C. Lovis, P. Maslowski, I. Matute, R. A. McCracken, C. J. A. P. Martins, M. J. P. F. G. Monteiro, S. Morris, T. Morris, H. Nicklas, A. Niedzielski, N. J. Nunes, E. Palle, P. Parr-Burman, V. Parro, I. Parry, F. Pepe, N. Piskunov, D. Queloz, A. Quirrenbach, R. Rebolo Lopez, et al. (13 additional authors not shown)
- http://arxiv.org/abs/1609.00497
Detailed chemical abundances of distant RR Lyrae stars in the Virgo Stellar Stream
- Virtual Journal - Volume 14, Issue 13 - article #6
- S. Duffau, L. Sbordone, A. K. Vivas, C. J. Hansen, M. Zoccali, M. Catelan, D. Minniti, E. K. Grebel
- arXiv.org - Astrophysics - Volume: 2016, Issue: 25 Mar
- arXiv:1603.07191 [pdf, other]
Grid of theoretical NLTE equivalent widths of four Ba II lines and barium abundance in cool stars
- Virtual Journal - Volume 13, Issue 27 - article #10
- S. A. Korotin, S. M. Andrievsky, C. J. Hansen, E. Caffau, P. Bonifacio, M. Spite, F. Spite, P. Francois
- arXiv.org - Astrophysics - Volume: 2015, Issue: 31 Jul
- arXiv:1507.07472 [pdf, ps, other]
An Elemental Assay of Very, Extremely, and Ultra-metal-poor Stars
- Virtual Journal - Volume 13, Issue 26 - article #46
- T. Hansen, C. J. Hansen, N. Christlieb, T. C. Beers, D. Yong, M. S. Bessell, A. Frebel, A. E. GarcÃa PÃ©rez, V. M. Placco, J. E. Norris, and M. Asplund
- The Astrophysical Journal - Volume: 807, Issue: 2
- View article PDF (1.00 MB)
A comparative study of two 47 Tuc giant stars with different s-process enrichment
- Virtual Journal - Volume 13, Issue 24 - article #1
- M. J. Cordero, C. J. Hansen, C. I. Johnson, C. A. Pilachowski
- arXiv.org - Astrophysics - Volume: 2015, Issue: 26 Jun
- arXiv:1506.07874 [pdf, ps, other]
An Elemental Assay of Very, Extremely, and Ultra Metal-Poor Stars
- Virtual Journal - Volume 13, Issue 22 - article #2
- T. Hansen, C. J. Hansen, N. Christlieb, T. C. Beers, D. Yong, M. S. Bessell, A. Frebel, A. E. Garcia Perez, V. M. Placco, J. E. Norris, M. Asplund
- arXiv.org - Astrophysics - Volume: 2015, Issue: 5 Jun
- arXiv:1506.00579 [pdf, ps, other]
New Abundances From Very Old Stars
- Virtual Journal - Volume 13, Issue 10 - article #6
- T. Hansen, C. J. Hansen, N. Christlieb, D. Yong, T. C. Beers, J. Andersen
- arXiv.org - Astrophysics - Volume: 2015, Issue: 13 Mar
- arXiv:1503.01990 [pdf, ps, other]
How Many Nucleosynthesis Processes Exist at Low Metallicity?
- Virtual Journal - Volume 12, Issue 25 - article #97
- C. J. Hansen, F. Montes, and A. Arcones
- The Astrophysical Journal - Volume: 797, Issue: 2
- View article PDF (1.55 MB)
Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars
- Virtual Journal - Volume 12, Issue 22 - article #45
- R. Smiljanic, A. J. Korn, M. Bergemann, A. Frasca, L. Magrini, T. Masseron, E. Pancino, G. Ruchti, I. San Roman, L. Sbordone, S. G. Sousa, H. Tabernero, G. Tautvaisiene, M. Valentini, M. Weber, C. C. Worley, V. Zh. Adibekyan, C. Allende Prieto, G. Barisevicius, K. Biazzo, S. Blanco-Cuaresma, P. Bonifacio, A. Bragaglia, E. Caffau, T. Cantat-Gaudin, Y. Chorniy, P. de Laverny, E. Delgado-Mena, P. Donati, S. Duffau, E. Franciosini, E. Friel, D. Geisler, J. I. Gonzalez Hernandez, P. Gruyters, G. Guiglion, C. J. Hansen, U. Heiter, V. Hill, H. R. Jacobson, P. Jofre, H. Jonsson, A. C. Lanzafame, C. Lardo, H. G. Ludwig, E. Maiorca, S. Mikolaitis, D. Montes, T. Morel, A. Mucciarelli, C. Munoz, T. Nordlander, L. Pasquini, E. Puzeras, A. Recio-Blanco, N. Ryde, G. Sacco, N. C. Santos, A. M. Serenelli, et al. (43 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 5 Sep
- arXiv:1409.0568 [pdf, other]
Stellar abundances and presolar grains trace the nucleosynthetic origin of molybdenum and ruthenium
- Virtual Journal - Volume 12, Issue 22 - article #100
- C. J. Hansen, A. C. Andersen and N. Christlieb
- Astronomy and Astrophysics - Volume: 568, Issue: August 2014
- http://dx.doi.org/10.1051/0004-6361/201423535
  Abstract Full HTML PDF (970.7 KB) ePUB (1.916 MB) References NASA ADS Abstract Service
How many nucleosynthesis processes exist at low metallicity?
- Virtual Journal - Volume 12, Issue 21 - article #31
- C. J. Hansen, F. Montes, A. Arcones
- arXiv.org - Astrophysics - Volume: 2014, Issue: 22 Aug
- arXiv:1408.4135 [pdf, ps, other]
Exploring the Origin of Lithium, Carbon, Strontium and Barium with four new Ultra Metal-Poor Stars
- Virtual Journal - Volume 12, Issue 20 - article #76
- T. Hansen, C. J. Hansen, N. Christlieb, D. Yong, M. S. Bessell, A. E. García Pérez, T. C. Beers, V. M. Placco, A. Frebel, J. E. Norris, M. Asplund
- arXiv.org - Astrophysics - Volume: 2014, Issue: 23 May
- arXiv:1405.5846 [pdf, ps, other]
Exploring the Origin of Lithium, Carbon, Strontium, and Barium with Four New Ultra Metal-poor Stars
- Virtual Journal - Volume 12, Issue 20 - article #270
- T. Hansen, C. J. Hansen, N. Christlieb, D. Yong, M. S. Bessell, A. E. GarcÃa PÃ©rez, T. C. Beers, V. M. Placco, A. Frebel, J. E. Norris, and M. Asplund
- The Astrophysical Journal - Volume: 787, Issue: 2
- View article PDF (483 KB)
LTE or non-LTE, that is the question - The NLTE chemical evolution of strontium in extremely metal-poor stars
- Virtual Journal - Volume 11, Issue 11 - article #22
- 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
Silver and palladium help unveil the nature of a second r-process
- Virtual Journal - Volume 10, Issue 51 - article #61
- C. J. Hansen, F. Primas, H. Hartman, K.-L. Kratz, S. Wanajo, B. Leibundgut, K. Farouqi, O. Hallmann, N. Christlieb and H. Nilsson
- Astronomy and Astrophysics - Volume: 545, Issue: September 2012
- http://dx.doi.org/10.1051/0004-6361/201118643
  Abstract | Full HTML | PDF (1.469 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service
NLTE analysis of Sr lines in spectra of late-type stars with new R-matrix atomic data
- Virtual Journal - Volume 10, Issue 51 - article #65
- M. Bergemann, C. J. Hansen, M. Bautista and G. Ruchti
- Astronomy and Astrophysics - Volume: 546, Issue: October 2012
- http://dx.doi.org/10.1051/0004-6361/201219406
  Abstract | Full HTML | PDF (497.6 KB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service
Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST
- Virtual Journal - Volume 10, Issue 45 - article #15
- E. Caffau, A. Koch, L. Sbordone, P. Sartoretti, C. J. Hansen, F. Royer, N. Leclerc, P. Bonifacio, N. Christlieb, H. G. Ludwig, E. K. Grebel, R. S. de Jong, C. Chiappini, J. Walcher, S. Mignot, S. Feltzing, M. Cohen, I. Minchev, A. Helmi, T. Piffl, E. Depagne, O. Schnurr
- arXiv.org - Astrophysics - Volume: 2012, Issue: 9 Nov
- arXiv:1211.1406 [pdf, ps, other]
NLTE analysis of Sr lines in spectra of late-type stars with new R-matrix atomic data
- Virtual Journal - Volume 10, Issue 28 - article #10
- M. Bergemann, C. J. Hansen, M. Bautista, G. Ruchti
- arXiv.org - Astrophysics - Volume: 2012, Issue: 13 Jul
- arXiv:1207.2451 [pdf, ps, other]
First stars XIII. Two extremely metal-poor RR Lyrae stars?
- Virtual Journal - Volume 9, Issue 2 - article #3
- C. J. Hansen, B. Nordstroem, P. Bonifacio, M. Spite, J. Andersen, T. C. Beers, R. Cayrel, F. Spite, P. Molaro, B. Barbuy, E. Depagne, P. Francois V. Hill, B. Plez, T. Sivarani
- arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Jan
- arXiv:1101.2207 [pdf, ps, other]

Results 1 - 29 of 29

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