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Results 1 - 32 of 32

The role of binaries in the enrichment of the early Galactic halo. III. Carbon-enhanced metal-poor stars -- CEMP-s stars
- Volume 11, Issue 3 - article #13
- T.T. Hansen, J. Andersen, B. Nordström, T. C. Beers, V.M. Placco, J. Yoon, L.A. Buchhave
- arXiv.org - Astrophysics - Volume: 2016, Issue: 15 Jan
- arXiv:1601.03385 [pdf, ps, other]
Abundances of carbon-enhanced metal-poor stars as constraints on their formation
- Volume 10, Issue 43 - article #2
- C.J. Hansen, B. Nordstroem, T.T. Hansen, C.R. Kennedy, V.M. Placco, T.C. Beers, J. Andersen, G. Cescutti, C. Chiappini
- arXiv.org - Astrophysics - Volume: 2015, Issue: 20 Nov
- arXiv:1511.07812 [pdf, ps, other]
The role of binaries in the enrichment of the early Galactic halo. II. Carbon-Enhanced Metal-Poor Stars - CEMP-no stars
- Volume 10, Issue 43 - article #10
- T. T. Hansen, J. Andersen, B. Nordström, T. C. Beers, V.M. Placco, J. Yoon, L.A. Buchhave
- arXiv.org - Astrophysics - Volume: 2015, Issue: 20 Nov
- arXiv:1511.08197 [pdf, ps, other]
Binary properties of CH and Carbon-Enhanced Metal-Poor stars
- Volume 10, Issue 39 - article #4
- A. Jorissen, S. Van Eck, H. Van Winckel, T. Merle, H.M.J. Boffin, J. Andersen, B. Nordstroem, S. Udry, T. Masseron, L. Lenaerts, C. Waelkens
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Oct
- arXiv:1510.05840 [pdf, ps, other]
HE 0017+0055 : A probable pulsating CEMP-rs star and long-period binary
- Volume 10, Issue 39 - article #8
- A. Jorissen, T. Hansen, S. Van Eck, J. Andersen, B. Nordstroem, L. Siess, G. Torres, T. Masseron, H. Van Winckel
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Oct
- arXiv:1510.06045 [pdf, ps, other]
The role of binaries in the enrichment of the early Galactic halo. I. r-process-enhanced metal-poor stars
- Volume 10, Issue 34 - article #11
- T. T. Hansen, J. Andersen, B. Nordstrøm, T. C. Beers, J. Yoon, L. A. Buchhave
- arXiv.org - Astrophysics - Volume: 2015, Issue: 18 Sep
- arXiv:1509.05344 [pdf, ps, other]
New Abundances From Very Old Stars
- Volume 10, Issue 10 - article #9
- 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]
Towards stellar effective temperatures and diameters at one per cent accuracy for future surveys
- Volume 9, Issue 3 - article #13
- L. Casagrande, L. Portinari, I.S. Glass, D. Laney, V. Silva Aguirre, J. Datson, J. Andersen, B. Nordström, J. Holmberg, C. Flynn, M. Asplund
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Jan
- arXiv:1401.3754 [pdf, ps, other]
First stars - XVI. HST/STIS abundances of heavy elements in the uranium-rich metal-poor star CS 31082-001
- Volume 8, Issue 7 - article #21
- C. Siqueira Mello Jr., M. Spite, B. Barbuy, F. Spite, E. Caffau, V. Hill, S. Wanajo, F. Primas, B. Plez, R. Cayrel, et al. (7 more)J. Andersen, B. NordstrÃ¶m, C. Sneden, T. C. Beers, P. Bonifacio, P. FranÃ§ois and P. Molaro
- Astronomy and Astrophysics - Volume: 550, Issue: February 2013
- http://dx.doi.org/10.1051/0004-6361/201219949
  Abstract | Full HTML | PDF (639.2 KB) | References | Online Material | NASA ADS Abstract Service
First stars XVI. STIS/HST abundances of heavy-elements in the uranium-rich star CS 31082-001
- Volume 7, Issue 49 - article #6
- C. Siqueira Mello, M. Spite, B. Barbuy, F. Spite, E. Caffau, V. Hill, S. Wanajo, F. Primas, B. Plez, R. Cayrel, J. Andersen, B. Nordström, C. Sneden, T. C. Beers, P. Bonifacio, P. François, P. Molaro
- arXiv.org - Astrophysics - Volume: 2012, Issue: 7 Dec
- arXiv:1212.0211 [pdf, other]
X-shooter, the new wide band intermediate resolution spectrograph at the ESO Very Large Telescope
- Volume 6, Issue 41 - article #16
- Joel Vernet, H. Dekker, S. D'Odorico, L. Kaper, P. Kjaergaard, F. Hammer, S. Randich, F. Zerbi, P. M. Groot, J. Hjorth, I. Guinouard, R. Navarro, T. Adolfse, P. W. Albers, J.-P. Amans, J. J. Andersen, M. I. Andersen, P. Binetruy, P. Bristow, R. Castillo, F. Chemla, L. Christensen, P. Conconi, R. Conzelmann, J. Dam, V. De Caprio, A. De Ugarte Postigo, B. Delabre, P. Di Marcantonio, M. Downing, E. Elswijk, G. Finger, G. Fischer, H. Flores, P. Francois, P. Goldoni, L. Guglielmi, R. Haigron, H. Hanenburg, I. Hendriks, M. Horrobin, D. Horville, N. C. Jessen, F. Kerber, L. Kern, M. Kiekebusch, P. Kleszcz, J. Klougart, J. Kragt, H. H. Larsen, J.-L. Lizon, C. Lucuix, V. Mainieri, R. Manuputy, C. Martayan, E. Mason, R. Mazzoleni, N. Michaelsen, A. Modigliani, S. Moehler, P. Møller, A. Norup Sørensen, et al. (28 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Oct
- arXiv:1110.1944 [pdf, other]
First stars XIII. Two extremely metal-poor RR Lyrae stars?
- Volume 6, Issue 2 - article #5
- 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]
First Stars XIV. Sulphur abundances in extremely metal-poor (EMP) stars
- Volume 5, Issue 52 - article #6
- Monique Spite (GEPI), E. Caffau (GEPI, ZAU), S.M. Andrievsky (GEPI), S. A. Korotin, E. Depagne, F. Spite (GEPI), P. Bonifacio (GEPI), H.-G. Ludwig (ZAU), R. Cayrel (GEPI), P. Francois (GEPI), V. Hill (CASSIOPEE), B. Plez (GRAAL), J. Andersen (The Niels Bohr Institute, Astronomy Group), B. Barbuy, T. C. Beers (MSU), P. Molaro (INAF-OAT), B. Nordstrom (The Niels Bohr Institute, Astronomy Group), F. Primas (ESO)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 24 Dec
- arXiv:1012.4358 [pdf, ps, other]
Accurate masses and radii of normal stars: modern results and applications
- Volume 4, Issue 34 - article #8
- G. Torres (CfA), J. Andersen (NBIA, Denmark; NOTSA, Spain), A. Gimenez (CSIC/INTA, Spain)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 21 Aug
- arXiv:0908.2624 [ps, pdf, other]
The Geneva-Copenhagen survey of the solar neighbourhood - III. Improved distances, ages, and kinematics
- Volume 4, Issue 30 - article #28
- J. Holmberg, B. Nordström, and J. Andersen
- Astronomy and Astrophysics - Volume: 501, Issue: 3
- Abstract | PDF file (546.2 KB) | PS file (911.5 KB)
First stars XII. Abundances in extremely metal-poor turnoff stars,and comparison with the giants
- Volume 4, Issue 13 - article #12
- P. Bonifacio (1,2,3), M. Spite (2), R. Cayrel (2), V. Hill (2,4), F. Spite (2), P. Francois (2), B. Plez (5,6), H.-G Ludwig (1,2), E. Caffau (2), P. Molaro (3), E. Depagne (7), J. Andersen (8,9), B. Barbuy (10), T.C. Beers (11), B. Nordstrom (8), F. Primas (12) ((1) CIFIST (2) GEPI, Observatoire de Paris (3) INAF- OA Trieste (4) Cassiopee, Observatoire de la Cote d'Azur (5) GRAAL, Universite de Montpellier (6) Department of Physics & Astronomy, Uppsala Astronomical Observatory (7) Las Cumbres Observatory (8) The Niels Bohr Institute (9) Nordic Optical Telescope (10) IAG, Universidade de Sao Paulo (11) Department of Physics & Astronomy, CSCE, JINA, Michigan State University (12) European Southern Observatory)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 27 Mar
- arXiv:0903.4174 [ps, pdf, other]
The Geneva-Copenhagen Survey of the Solar neighbourhood III. Improved distances, ages, and kinematics
- Volume 3, Issue 48 - article #9
- J. Holmberg, B. Nordström, J. Andersen
- arXiv.org - Astrophysics - Volume: 2008, Issue: 27 Nov
- arXiv:0811.3982 [ps, pdf, other]
First stars X. The nature of three unevolved carbon-enhanced metal-poor stars
- Volume 3, Issue 36 - article #17
- T. Sivarani, T. C. Beers, P. Bonifacio, P. Molaro, R. Cayrel, F. Herwig, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, E. Depagne, V. Hill, P. François, B. Nordström and F. Primas
- Astronomy and Astrophysics - Volume: 459, Issue: 1
- Abstract | Full HTML | PDF file (270 KB) | PS file (535 KB) | References
First stars VII - Lithium in extremely metal poor dwarfs
- Volume 3, Issue 36 - article #22
- P. Bonifacio, P. Molaro, T. Sivarani, R. Cayrel, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, T. C. Beers, E. Depagne, V. Hill, P. François, B. Nordström, and F. Primas
- Astronomy and Astrophysics - Volume: 462, Issue: 3
- Abstract | Full HTML | PDF file (679.6 KB) | References | Online Material
R Coronae Borealis stars in the Galactic bulge discovered by EROS-2
- Volume 3, Issue 14 - article #12
- P. Tisserand, J. B. Marquette, P. R. Wood, É. Lesquoy, J. P. Beaulieu, A. Milsztajn, C. Hamadache, C. Afonso, J. N. Albert, J. Andersen, R. Ansari, É. Aubourg, P. Bareyre, X. Charlot, C. Coutures, R. Ferlet, P. Fouqué, J. F. Glicenstein, B. Goldman, A. Gould, M. Gros, J. Haissinski, J. de Kat, L. Le Guillou, C. Loup, C. Magneville, É. Maurice, A. Maury, M. Moniez, N. Palanque-Delabrouille, O. Perdereau, Y. Rahal, J. Rich, M. Spiro, A. Vidal-Madjar, and S. Zylberajch
- Astronomy and Astrophysics - Volume: 481, Issue: 3
- Abstract | PDF file (2.873 MB) | PS file (2.282 MB)
First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032
- Volume 3, Issue 9 - article #3
- J. I. González Hernández, P. Bonifacio, H.-G. Ludwig, E. Caffau, M. Spite, F. Spite, R. Cayrel, P. Molaro, V. Hill, P. François, B. Plez, T. C. Beers, T. Sivarani, J. Andersen, B. Barbuy, E. Depagne, B. Nordström, and F. Primas
- Astronomy and Astrophysics - Volume: 480, Issue: 1
- Abstract | PDF file (648.5 KB) | PS file (240.7 KB)
The ESO Large Programme First Stars
- Volume 3, Issue 2 - article #19
- P. Bonifacio (1,2,3), J. Andersen (4,5), S. Andrievsky (6), B. Barbuy (7), T. C. Beers (8), E. Caffau (2), R. Cayrel (2), E. Depagne (9), P. Francois (2), J. I. Gonzalez Hernandez (1,2), C. J. Hansen (10), F. Herwig (11), V. Hill (2), S. A. Korotin (6), H.-G. Ludwig (1,2), P. Molaro (3), B. Nordstrom (4), B. Plez (12), F. Primas (10), T. Sivarani (8), F. Spite (2), M. Spite (2) ((1) CIFIST Marie Curie Excellence Team, (2) GEPI, Observatoire de Paris, CNRS, Universite' Paris Diderot, (3) Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Trieste, (4) The Niels Bohr Institute, Astronomy, (5) Nordic Optical Telescope, (6) Department of Astronomy and Astronomical Observatory, Odessa National University, (7) Universidade de Sao Paulo, Departamento de Astronomia, (8) Department of Physics & Astronomy and JINA: Joint Institute for Nuclear Astrophysics, Michigan State University, (9) Las Cumbres Observatory, Santa Barbara, (10) European Southern Observatory (ESO), (11) Keele Astrophysics Group, School of Physical and Geographical Sciences, Keele University, (12) GRAAL, Université de Montpellier II)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 10 Jan
- arXiv:0801.1293 [ps, pdf, other]
First Stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876--032
- Volume 2, Issue 51 - article #16
- J. I. González Hernández, P. Bonifacio, H.-G. Ludwig, E. Caffau, M. Spite, F. Spite, R. Cayrel, P. Molaro, V. Hill, P. François, B. Plez, T. C. Beers, T. Sivarani, J. Andersen, B. Barbuy, E. Depagne, B. Nordström, F. Primas
- arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
- arXiv:0712.2949 [ps, pdf, other]
The Geneva-Copenhagen survey of the Solar neighbourhood II - New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk
- Volume 2, Issue 45 - article #19
- J. Holmberg, B. Nordström, and J. Andersen
- Astronomy and Astrophysics - Volume: 475, Issue: 2
- Abstract | PDF file (5.641 MB) | PS file (4.474 MB)
First Stars VIII -- Enrichment of the neutron-capture elements in the early Galaxy
- Volume 2, Issue 39 - article #10
- P. Francois, E. Depagne, V. Hill, M. Spite, F. Spite, B. Plez, T. C. Beers, J. Andersen, G. James, B. Barbuy, R. Cayrel, P. Bonifacio, P. Molaro, B. Nordström, F. Primas
- arXiv.org - Astrophysics - Volume: 2007, Issue: 27 Sep
- arXiv:0709.3454 [ps, pdf, other]
Red giants in open clusters - XIII. Orbital elements of 156 spectroscopic binaries
- Volume 2, Issue 39 - article #26
- J.-C. Mermilliod, J. Andersen, D. W. Latham, and M. Mayor
- Astronomy and Astrophysics - Volume: 473, Issue: 3
- Abstract | PDF file (553.9 KB) | PS file (235.9 KB)
The Geneva-Copenhagen Survey of the Solar neighbourhood II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk
- Volume 2, Issue 29 - article #13
- J. Holmberg, B. Nordstrom, J. Andersen
- ArXiv - Astrophysics
- arXiv:0707.1891 [ps, pdf, other]
First stars VII. Lithium in extremely metal poor dwarfs
- Volume 1, Issue 37 - article #10
- P. Bonifacio (1,2,3), P. Molaro (2,3), T. Sivarani (4), R. Cayrel (2), M.Spite (2), F. Spite (2), B. Plez (5), J. Andersen (6,7), B. Barbuy (8), T.C. Beers (4), E. Depagne (9), V. Hill (2), P. Francois (2), B. Nordstrom (6), F. Primas (10) ((1) CIFIST, (2) Observatoire de Paris, (3) INAF - OA Trieste, (4) Michigan State University & JINA, (5) GRAAL, Univ. Montpellier II, (6) The Niels Bohr Institute, (7) Nordic Optical Telescope, (8) Universidade de Sao Paulo, Departamento de Astronomia, (9) European Southern Observatory, Santiago, (10) European Southern Observatory, Garching)
- ArXiv - Astrophysics
- astro-ph/0610245 [abs, ps, pdf, other]
First stars X. The nature of three unevolved Carbon-Enhanced Metal-Poor stars
- Volume 1, Issue 28 - article #3
- T. Sivarani, T. C. Beers, P. Bonifacio, P. Molaro, R. Cayrel, F. Herwig, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, E. Depagne, V. Hill, P. Francois, B. Nordstrom, F. Primas
- ArXiv - Astrophysics
- astro-ph/0608112 [abs, ps, pdf, other]
First stars IX - Mixing in extremely metal-poor giants. Variation of the ¹²C/¹³C } , [Na/Mg] and [Al/Mg] ratios
- Volume 1, Issue 27 - article #10
- M. Spite, R. Cayrel, V. Hill, F. Spite, P. François, B. Plez, P. Bonifacio, P. Molaro, E. Depagne, J. Andersen, B. Barbuy, T. C. Beers, B. Nordström and F. Primas
- Astronomy and Astrophysics - Volume 455, Issue 1 - August, 2006
- Abstract, Full HTML, PDF file (303 KB), PS file (107 KB), References
Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds
- Volume 1, Issue 24 - article #14
- P. Tisserand, L. Le Guillou, C. Afonso, J.N. Albert, J. Andersen, R. Ansari, E. Aubourg, P. Bareyre, J.P. Beaulieu, X. Charlot, C. Coutures, R. Ferlet, P. Fouqué, J.F. Glicenstein, B. Goldman, A. Gould, D. Graff, M. Gros, J. Haissinski, C. Hamadache, J. de Kat, T. Lasserre, E. Lesquoy, C. Loup, C. Magneville, J.B. Marquette, E. Maurice, A. Maury, A. Milsztajn, M. Moniez, N. Palanque-Delabrouille, O. Perdereau, Y.R. Rahal, J. Rich, M. Spiro, A. Vidal-Madjar, L. Vigroux, S. Zylberajch
- ArXiv - Astrophysics
- astro-ph/0607207 [abs, ps, pdf, other]
First stars IX -Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios
- Volume 1, Issue 15 - article #24
- M. Spite (1), R. Cayrel (1), V. Hill (1), F. Spite (1), P. Francois (1), B. Plez (2), P. Bonifacio (1), P. Molaro (1,4), E. Depagne (3), J. Andersen (7,8), B. Barbuy (5), T.C. Beers (6), B. Nordstroem (7,9), F. Primas (10)
- ArXiv - Astrophysics
- astro-ph/0605056 [abs, ps, pdf, other]

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