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Results 1 - 34 of 34

The first r-process enhanced star confirmed to be a member of the Galactic bulge. (arXiv:2210.05688v1 [astro-ph.SR])
- Virtual Journal - Volume 20, Issue 40 - article #5
- R. Forsberg, R. M. Rich, N. Nieuwmunster, H. Jönsson, M. Schultheis, N. Ryde, B. Thorsbro
- http://arxiv.org/abs/2210.05688
The Galactic Chemical Evolution of phosphorus observed with IGRINS. (arXiv:2210.04940v1 [astro-ph.SR])
- Virtual Journal - Volume 20, Issue 40 - article #6
- G. Nandakumar (1), N. Ryde (1), M. Montelius (2), B. Thorsbro (3), H. Jönsson (4), G. Mace (5) (1) Lund Observatory, Department of Astronomy, Theoretical Physics, Lund University, Box 43, SE-221 00 Lund, Sweden, (2) Kapteyn Astronomical Institute, University of Groningen, Landleven 12, NL-9747 AD Groningen, the Netherlands, (3) Department of Astronomy, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan, (4) Materials Science, Applied Mathematics, Malmö, University, SE-205 06 Malmö, Sweden, (5) Department of Astronomy, McDonald Observatory, The University of Texas, Austin, TX 78712, USA
- http://arxiv.org/abs/2210.04940
Modelling the chemical evolution of Zr, La, Ce and Eu in the Galactic discs and bulge. (arXiv:1911.04271v2 [astro-ph.GA] UPDATED)
- Virtual Journal - Volume 18, Issue 2 - article #7
- V. Grisoni, G. Cescutti, F. Matteucci, R. Forsberg, H. Jönsson, N. Ryde
- http://arxiv.org/abs/1911.04271
Fluorine in the Solar Neighborhood: Chemical Evolution Models. (arXiv:1711.09671v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 48 - article #4
- E. Spitoni, F. Matteucci, H. Jönsson, N. Ryde, D. Romano
- http://arxiv.org/abs/1711.09671
Detailed Abundances for the Old Population near the Galactic Center. I. Metallicity Distribution of the Nuclear Star Cluster
- Virtual Journal - Volume 15, Issue 46 - article #24
- R. M. Rich, N. Ryde, B. Thorsbro, T. K. Fritz, M. Schultheis, L. Origlia,, H. JÃƒÂ¶nsson
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/6/239
Fluorine in the Solar Neighborhood: No Evidence for the Neutrino Process
- Virtual Journal - Volume 15, Issue 3 - article #33
- H. JÃƒÂ¶nsson, N. Ryde, E. Spitoni, F. Matteucci, K. Cunha, V. Smith, K. Hinkle,, M. Schultheis
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/835/1/50
Fluorine in the Solar neighborhood: No evidence for the neutrino process. (arXiv:1612.04384v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 51 - article #7
- H. Jönsson, N. Ryde, E. Spinoni, F. Matteucci, K. Cunha, V. Smith, K. Hinkle, M. Schultheis
- http://arxiv.org/abs/1612.04384
Abundances of disk and bulge giants from hi-res optical spectra: II. O, Mg, Ca, and Ti in the bulge sample. (arXiv:1611.08612v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 49 - article #2
- H. Jönsson, N. Ryde, M. Schultheis, M. Zoccali
- http://arxiv.org/abs/1611.08612
Detailed Abundance Analysis of a Metal-poor Giant in the Galactic Center
- Virtual Journal - Volume 14, Issue 44 - article #24
- N. Ryde, T. K. Fritz, R. M. Rich, B. Thorsbro, M. Schultheis, L. Origlia,, S. Chatzopoulos
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/831/1/40
Detailed abundance analysis of a metal-poor giant in the Galactic Center. (arXiv:1608.07562v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 36 - article #5
- N. Ryde, T. K. Fritz, R. M. Rich, B. Thorsbro, M. Schultheis, L. Origlia, S. Chatzopoulos
- http://arxiv.org/abs/1608.07562
Chemical evolution of the inner 2 degrees of the Milky Way bulge: [alpha/Fe] trends and metallicity gradients
- Virtual Journal - Volume 13, Issue 38 - article #6
- N. Ryde, M. Schultheis, V. Grieco, F. Matteucci, R. M. Rich, S. Uttenthaler
- arXiv.org - Astrophysics - Volume: 2015, Issue: 16 Oct
- arXiv:1510.02622 [pdf, other]
Understanding AGB evolution in Galactic bulge stars from high-resolution infrared spectroscopy
- Virtual Journal - Volume 13, Issue 18 - article #11
- S. Uttenthaler (1), J. A. D. L. Blommaert (2,3), P. R. Wood (4), T. Lebzelter (1), B. Aringer (5,1), M. Schultheis (6), N. Ryde (7) ((1) University of Vienna, Department of Astrophysics, (2) Department of Physics and Astrophysics, Vrije Universiteit Brussel, (3) Instituut voor Sterrenkunde, KU Leuven, (4) Research School of Astronomy and Astrophysics, Australian National University, (5) Department of Physics and Astronomy G. Galilei, University of Padova, (6) Laboratoire Lagrange, Université de Nice Sophia Antipolis, (7) Lund Observatory, Sweden)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 8 May
- arXiv:1505.01425 [pdf, ps, other]
Kinematics and chemistry of recently discovered Reticulum 2 and Horologium 1 dwarf galaxies
- Virtual Journal - Volume 13, Issue 17 - article #6
- Sergey E. Koposov, Andrew R. Casey, Vasily Belokurov, James R. Lewis, Gerard Gilmore, Clare Worley, Anna Hourihane, T. Bensby, A. Bragaglia, M. Bergemann, G. Carraro, E. Flaccomio, U. Heiter, V. Hill, P. Jofre, P. de Laverny, L. Monaco, L. Sbordone, S. Mikolaitis, N. Ryde
- arXiv.org - Astrophysics - Volume: 2015, Issue: 1 May
- arXiv:1504.07916 [pdf, other]
Chemical evolution of the Galactic Center
- Virtual Journal - Volume 13, Issue 13 - article #3
- V. Grieco, F. Matteucci, N. Ryde, M. Schultheis, S. Uttenthaler
- arXiv.org - Astrophysics - Volume: 2015, Issue: 3 Apr
- arXiv:1503.08949 [pdf, ps, other]
Chemical Abundances of M giants in the Galactic Center: a Single Metal-Rich Population with Low [alpha/Fe]
- Virtual Journal - Volume 12, Issue 22 - article #3
- N. Ryde, M. Schultheis
- arXiv.org - Astrophysics - Volume: 2014, Issue: 12 Sep
- arXiv:1409.2515 [pdf, ps, other]
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]
The Gaia-ESO Survey: radial metallicity gradients and age-metallicity relation of stars in the Milky Way disk
- Virtual Journal - Volume 12, Issue 21 - article #103
- M. Bergemann, G. R. Ruchti, A. Serenelli, S. Feltzing, A. Alves-Brito, M. Asplund, T. Bensby, P. Gruiters, U. Heiter, A. Hourihane, et al. (37 more) A. Korn, K. Lind, A. Marino, P. Jofre, T. Nordlander, N. Ryde, C. C. Worley, G. Gilmore, S. Randich, A. M. N. Ferguson, R. D. Jeffries, G. Micela, I. Negueruela, T. Prusti, H.-W. Rix, A. Vallenari, E. J. Alfaro, C. Allende Prieto, A. Bragaglia, S. E. Koposov, A. C. Lanzafame, E. Pancino, A. Recio-Blanco, R. Smiljanic, N. Walton, M. T. Costado, E. Franciosini, V. Hill, C. Lardo, P. de Laverny, L. Magrini, E. Maiorca, T. Masseron, L. Morbidelli, G. Sacco, G. Kordopatis and G. TautvaiÃ…Â¡ienÃ„Â—
- Astronomy and Astrophysics - Volume: 565, Issue: May 2014
- http://dx.doi.org/10.1051/0004-6361/201423456
  Abstract Full HTML PDF (1.339 MB) ePUB (1.839 MB) References NASA ADS Abstract Service
Fluorine in the solar neighborhood - is it all produced in AGB-stars?
- Virtual Journal - Volume 12, Issue 20 - article #55
- H. Jönsson, N. Ryde, G. M. Harper, M. J. Richter, K. H. Hinkle
- arXiv.org - Astrophysics - Volume: 2014, Issue: 20 Jun
- arXiv:1406.4876 [pdf, ps, other]
The Chemical Evolution of Fluorine in the Bulge - High-resolution K-band spectra of giants in three fields
- Virtual Journal - Volume 12, Issue 11 - article #20
- H. Jönsson, N. Ryde, G. M. Harper, K. Cunha, M. Schultheis, K. Eriksson, C. Kobayashi, V. V. Smith, M. Zoccali
- arXiv.org - Astrophysics - Volume: 2014, Issue: 14 Mar
- arXiv:1403.2594 [pdf, ps, other]
The Gaia-ESO Survey: radial metallicity gradients and age-metallicity relation of stars in the Milky Way disk
- Virtual Journal - Volume 12, Issue 4 - article #13
- M. Bergemann, G. Ruchti, A. Serenelli, S. Feltzing, A. Alvez-Brito, M. Asplund, T. Bensby, U. Heiter, A. Korn, K. Lind, A. Marino, P. Jofre, T. Nordlander, N. Ryde, G. Gilmore, S. Randich, J. Binney, P. Bonifacio, J. Drew, A. Ferguson, R. Jeffries, G. Micela, I. Negueruela, T. Prusti, H.-W. Rix, A. Vallenari, E. Alfaro Navarro, A. Bragaglia, L. Morbidelli, E. Pancino, A. Recio-Blanco, R. Smiljanic, V. Hill, C. Lardo, P. de Laverny, L. Magrini, G. Sacco, M. Costado, G. Kordopatis, G. Tautvaisiene
- arXiv.org - Astrophysics - Volume: 2014, Issue: 24 Jan
- arXiv:1401.4437 [pdf, ps, other]
Galactic chemical evolution of sulphur - Sulphur abundances from the [S i] λ1082 nm line in giants
- Virtual Journal - Volume 11, Issue 50 - article #18
- E. Matrozis, N. Ryde and A. K. Dupree
- Astronomy and Astrophysics - Volume: 559, Issue: November 2013
- http://dx.doi.org/10.1051/0004-6361/201322317
  Abstract Full HTML PDF (2.784 MB) References Online Material NASA ADS Abstract Service
A Community Science Case for E-ELT HIRES
- Virtual Journal - Volume 11, Issue 42 - article #1
- R. Maiolino, M. Haehnelt, M.T. Murphy, D. Queloz, L. Origlia, J. Alcala, Y. Alibert, P.J. Amado, C. Allende Prieto, M. Ammler-von Eiff, M. Asplund, M. Barstow, G. Becker, X. Bonfils, F. Bouchy, A. Bragaglia, M.R. Burleigh, A. Chiavassa, D. A. Cimatti, M. Cirasuolo, S. Cristiani, D. Dravins, E. Emsellem, J. Farihi, P. Figueira, J. Fynbo, B.T. Gansicke, M. Gillon, B. Gustafsson, V. Hill, G. Israelyan, A. Korn, S. Larsen, P. De Laverny, J. Liske, C. Lovis, A. Marconi, C. Martins, P. Molaro, B. Nisini, E. Oliva, P. Petitjean, M. Pettini, A. Recio Blanco, R. Rebolo, A. Reiners, C. Rodriguez-Lopez, N. Ryde, N.C. Santos, S. Savaglio, I. Snellen, K. Strassmeier, N. Tanvir, L. Testi, E. Tolstoy, A. Triaud, L. Vanzi, M. Viel, M. Volonteri
- arXiv.org - Astrophysics - Volume: 2013, Issue: 18 Oct
- arXiv:1310.3163 [pdf]
On the Galactic chemical evolution of sulphur. Sulphur abundances from the [S i] 1082 nm line in giants
- Virtual Journal - Volume 11, Issue 36 - article #7
- E. Matrozis, N. Ryde, A. K. Dupree
- arXiv.org - Astrophysics - Volume: 2013, Issue: 6 Sep
- arXiv:1309.0114 [pdf, other]
Sulphur abundances in halo giants from the [S I] line at 1082 nm and the S I triplet around 1045 nm
- Virtual Journal - Volume 9, Issue 15 - article #6
- H. Jönsson, N. Ryde, P.E. Nissen, R. Collet, K. Eriksson, M. Asplund, B. Gustafsson
- arXiv.org - Astrophysics - Volume: 2011, Issue: 15 Apr
- arXiv:1104.2148 [pdf, other]
Prospects of stellar abundance studies from near-IR spectra observed with the E-ELT (p 433-448)
- Virtual Journal - Volume 8, Issue 17 - article #28
- N. Ryde
- Astronomische Nachrichten - Volume: 331, Issue: 4
- Abstract | References | Full Text: PDF (Size: 335K)
Chemical abundances for 11 bulge stars from high-resolution, near-IR spectra
- Virtual Journal - Volume 7, Issue 41 - article #3
- N. Ryde, B. Gustafsson, B. Edvardsson, J. Melendez, A. Alves-Brito, M. Asplund, B. Barbuy, V. Hill, H. U. Kaufl, D. Minniti, S. Ortolani, A. Renzini, M. Zoccali
- arXiv.org - Astrophysics - Volume: 2009, Issue: 9 Oct
- arXiv:0910.0448 [ps, pdf, other]
CNO abundances in the Galactic bulge
- Virtual Journal - Volume 7, Issue 36 - article #4
- N. Ryde
- arXiv.org - Astrophysics - Volume: 2009, Issue: 4 Sep
- arXiv:0909.0135 [ps, pdf, other]
Abundances in bulge stars from high-resolution, near-IR spectra - I. The CNO elements observed during the science verification of CRIRES at VLT
- Virtual Journal - Volume 7, Issue 13 - article #19
- N. Ryde, B. Edvardsson, B. Gustafsson, K. Eriksson, H. U. Käufl, R. Siebenmorgen, and A. Smette
- Astronomy and Astrophysics - Volume: 496, Issue: 3
- Abstract | PDF file (786.0 KB) | PS file (1.892 MB)
Sulphur abundances in disk stars as determined from the forbidden λ10821 [S I] line
- Virtual Journal - Volume 4, Issue 32 - article #27
- N. Ryde
- Astronomy and Astrophysics - Volume 455, Issue 2 - August, 2006
- Abstract, Full HTML, PDF file (107 KB), PS file (48.8 KB), References
Carbon stars in local group dwarf galaxies: C and O abundances
- Virtual Journal - Volume 4, Issue 19 - article #22
- R. Wahlin, K. Eriksson, B. Gustafsson, K. H. Hinkle, D. L. Lambert, N. Ryde, B. Westerlund
- ArXiv - Astrophysics
- astro-ph/0605244 [abs, ps, pdf, other]
Sulphur abundances in metal-poor stars
- Virtual Journal - Volume 3, Issue 46 - article #27
- A. J. Korn and N. Ryde
- Astronomy and Astrophysics – Vol. 443 Issue 3 – November 2005
- Abstract, Full HTML, PDF file (137 KB), PS file (38.7 KB), References
The Abundance of Elements in Cool Stars, as Determined from High-Resolution, 1-5 Micron Spectroscopy
- Virtual Journal - Volume 2, Issue 29 - article #18
- N. Ryde, B. Gustafsson, K. Eriksson, R. Wahlin
- arXiv - Astrophysics – July 2004
- astro-ph/0407340 [ abs , ps , pdf , other ]
On the Galactic chemical evolution of sulfur
- Virtual Journal - Volume 2, Issue 6 - article #30
- N. Ryde and D. L. Lambert
- Astronomy and Astrophysics - Vol. 415 No. 2
- Abstract , Full HTML , PDF file (370 KB) , PS file (1.74 MB)
On the galactic chemical evolution of sulfur
- Virtual Journal - Volume 1, Issue 21 - article #5
- N. Ryde(1 and 2), D. L. Lambert(2) ((1) Uppsala Astronomical Observatory, (2) University of Texas at Austin)
- arXiv.org - Astrophysics - Thu, 4 Dec 2003
- astro-ph/0312070 [ abs , ps , pdf , other ]

Results 1 - 34 of 34

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