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Results 1 - 37 of 37

Metallicity-dependent kinematics and orbits in the Milky Way's nuclear stellar disc
- Volume 19, Issue 39 - article #3
- F. Nogueras-Lara, N. Nieuwmunster, M. Schultheis, M. C. Sormani, F. Fragkoudi, B. Thorsbro, R. M. Rich, N. Ryde, J. L. Sanders, L. C. Smith
- https://arxiv.org/abs/2409.15279
The first r-process enhanced star confirmed to be a member of the Galactic bulge. (arXiv:2210.05688v1 [astro-ph.SR])
- Volume 17, Issue 40 - article #8
- 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])
- Volume 17, Issue 40 - article #10
- 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
Chemical Evolution of Ytterbium in the Galactic Disk. (arXiv:2202.00691v1 [astro-ph.GA])
- Volume 17, Issue 5 - article #3
- M. Montelius, R. Forsberg, N. Ryde, H. Jönsson, M. Afşar, A. Johanssen, K. F. Kaplan, H. Kim, G. Mace, C. Sneden, B. Thorsbro
- http://arxiv.org/abs/2202.00691
Abundances of disk and bulge giants from high-resolution optical spectra
- Volume 14, Issue 44 - article #8
- R. Forsberg, H. JÃ¶nsson, N. Ryde, F. Matteucci
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/9_eKfLAScWg/201936343
The inner two degrees of the Milky Way
- Volume 14, Issue 29 - article #19
- M. Schultheis, R. M. Rich, L. Origlia, N. Ryde, G. Nandakumar, B. Thorsbro, N. Neumayer
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/KBnGKQDA9vQ/201935772
Abundances of disk and Bulge giants from high-resolution optical spectra III. Sc, V, Cr, Mn, Co, Ni. (arXiv:1903.01476v1 [astro-ph.GA])
- Volume 14, Issue 10 - article #5
- M. Lomaeva, H. Jönsson, N. Ryde, M. Schultheis, B. Thorsbro
- http://arxiv.org/abs/1903.01476
Detailed Abundances for the Old Population near the Galactic Center. I. Metallicity Distribution of the Nuclear Star Cluster
- Volume 12, Issue 46 - article #12
- R. M. Rich, N. Ryde, B. Thorsbro, T. K. Fritz, M. Schultheis, L. Origlia,, H. JÃ¶nsson
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/6/239
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])
- Volume 11, 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
- Volume 11, Issue 44 - article #17
- 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])
- Volume 11, 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
- Volume 10, Issue 38 - article #5
- 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
- Volume 10, Issue 18 - article #18
- 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
- Volume 10, Issue 17 - article #4
- 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
- Volume 10, Issue 13 - article #5
- V. Grieco, F. Matteucci, N. Ryde, M. Schultheis, S. Uttenthaler
- arXiv.org - Astrophysics - Volume: 2015, Issue: 3 Apr
- arXiv:1503.08949 [pdf, ps, other]
The Gaia-ESO Survey: A globular cluster escapee in the Galactic halo
- Volume 10, Issue 10 - article #18
- K. Lind, S. E. Koposov, C. Battistini, A. F. Marino, G. Ruchti, A. Serenelli, C. C. Worley, A. Alves-Brito, M. Asplund, P. S. Barklem, et al. (30 more) T. Bensby, M. Bergemann, S. Blanco-Cuaresma, A. Bragaglia, B. Edvardsson, S. Feltzing, P. Gruyters, U. Heiter, P. Jofre, A. J. Korn, T. Nordlander, N. Ryde, C. Soubiran, G. Gilmore, S. Randich, A. M. N. Ferguson, R. D. Jeffries, A. Vallenari, C. Allende Prieto, E. Pancino, A. Recio-Blanco, D. Romano, R. Smiljanic, M. Bellazzini, F. Damiani, V. Hill, P. de Laverny, R. J. Jackson, C. Lardo and S. Zaggia
- Astronomy and Astrophysics - Volume: 575, Issue: March 2015
- http://dx.doi.org/10.1051/0004-6361/201425554
  Abstract Full HTML PDF (308.1 KB) ePUB (1.094 MB) References Online Material NASA ADS Abstract Service
The Gaia-ESO Survey: A globular cluster escapee in the Galactic halo
- Volume 10, Issue 7 - article #6
- K. Lind, S. E. Koposov, C. Battistini, A. F. Marino, G. Ruchti, A. Serenelli, C. C. Worley, A. Alves-Brito, M. Asplund, P. S. Barklem, T. Bensby, M. Bergemann, S. Blanco-Cuaresma, A. Bragaglia, B. Edvardsson, S. Feltzing, P. Gruyters, U. Heiter, P. Jofre, A. J. Korn, T. Nordlander, N. Ryde, C. Soubiran, G. Gilmore, S. Randich, A. M. N. Ferguson, R. D. Jeffries, A. Vallenari, C. Allende Prieto, E. Pancino, A. Recio-Blanco, D. Romano, R. Smiljanic, M. Bellazzini, F. Damiani, V. Hill, P. de Laverny, R. J. Jackson, C. Lardo, S. Zaggia
- arXiv.org - Astrophysics - Volume: 2015, Issue: 20 Feb
- arXiv:1502.03934 [pdf, other]
The Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars
- Volume 9, Issue 24 - article #41
- R. Smiljanic, A. J. Korn, M. Bergemann, A. Frasca, L. Magrini, T. Masseron, E. Pancino, G. Ruchti, I. San Roman, L. Sbordone, et al. (92 more) S. G. Sousa, H. Tabernero, G. TautvaiÅ¡ienÄ, M. Valentini, M. Weber, C. C. Worley, V. Zh. Adibekyan, C. Allende Prieto, G. BariseviÄius, 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. GonzÃ¡lez HernÃ¡ndez, P. Gruyters, G. Guiglion, C. J. Hansen, U. Heiter, V. Hill, H. R. Jacobson, P. Jofre, H. JÃ¶nsson, A. C. Lanzafame, C. Lardo, H.-G. Ludwig, E. Maiorca, Å . Mikolaitis, D. Montes, T. Morel, A. Mucciarelli, C. MuÃ±oz, T. Nordlander, L. Pasquini, E. Puzeras, A. Recio-Blanco, N. Ryde, G. Sacco, N. C. Santos, A. M. Serenelli, R. Sordo, C. Soubiran, L. Spina, M. Steffen, A. Vallenari, S. Van Eck, S. Villanova, G. Gilmore, S. Randich, M. Asplund, J. Binney, J. Drew, S. Feltzing, A. Ferguson, R. Jeffries, G. Micela, I. Negueruela, T. Prusti, H-W. Rix, E. Alfaro, C. Babusiaux, T. Bensby, R. Blomme, E. Flaccomio, P. FranÃ§ois, M. Irwin, S. Koposov, N. Walton, A. Bayo, G. Carraro, M. T. Costado, F. Damiani, B. Edvardsson, A. Hourihane, R. Jackson, J. Lewis, K. Lind, G. Marconi, C. Martayan, L. Monaco, L. Morbidelli, L. Prisinzano and S. Zaggia
- Astronomy and Astrophysics - Volume: 570, Issue: October 2014
- http://dx.doi.org/10.1051/0004-6361/201423937
  Abstract Full HTML PDF (2.785 MB) ePUB (2.948 MB) References Online Material Tables at CDS SIMBAD record NASA ADS Abstract Service
Chemical Abundances of M giants in the Galactic Center: a Single Metal-Rich Population with Low [alpha/Fe]
- Volume 9, Issue 22 - article #4
- 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
- Volume 9, Issue 22 - article #39
- 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
- Volume 9, Issue 21 - article #40
- 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. TautvaiÅ¡ienÄ
- 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?
- Volume 9, Issue 20 - article #60
- 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
- Volume 9, Issue 11 - article #19
- 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
- Volume 9, Issue 4 - article #11
- 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
- Volume 8, Issue 50 - article #17
- 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
- Volume 8, 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
- Volume 8, Issue 36 - article #6
- E. Matrozis, N. Ryde, A. K. Dupree
- arXiv.org - Astrophysics - Volume: 2013, Issue: 6 Sep
- arXiv:1309.0114 [pdf, other]
MOONS: a Multi-Object Optical and Near-infrared Spectrograph for the VLT
- Volume 7, Issue 35 - article #10
- M. Cirasuolo, J. Afonso, R. Bender, P. Bonifacio, C. Evans, L. Kaper, E. Oliva, L. Vanzi, M. Abreu, E. Atad-Ettedgui, C. Babusiaux, F. Bauer, P. Best, N. Bezawada, I. Bryson, A. Cabral, K. Caputi, M. Centrone, F. Chemla, A. Cimatti, M-R. Cioni, G. Clementini, J. Coelho, E. Daddi, J. Dunlop, S. Feltzing, A. Ferguson, H. Flores, A. Fontana, J. Fynbo, B. Garilli, A. Glauser, I. Guinouard, F. Hammer, P. Hastings, A. Hess, R. Ivison, P. Jagourel, M. Jarvis, G. Kauffman, A. Lawrence, D. Lee, G. Licausi, S. Lilly, D. Lorenzetti, R. Maiolino, F. Mannucci, R. McLure, D. Minniti, D. Montgomery, B. Muschielok, K. Nandra, R. Navarro, P. Norberg, L. Origlia, N. Padilla, J. Peacock, F. Pedicini, L. Pentericci, J. Pragt, M. Puech, S. Randich, A. Renzini, N. Ryde, M. Rodrigues, F. Royer, R. Saglia, A. Sanchez, et al. (12 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 31 Aug
- arXiv:1208.5780 [pdf]
Sulphur abundances in halo giants from the [S I] line at 1082 nm and the S I triplet around 1045 nm
- Volume 6, Issue 15 - article #14
- 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)
- Volume 5, Issue 17 - article #15
- 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
- Volume 4, Issue 41 - article #6
- 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
- Volume 4, Issue 36 - article #6
- 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
- Volume 4, Issue 13 - article #42
- 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)
A First Study of Giant Stars in the Galactic Bulge based on Crires spectra
- Volume 2, Issue 5 - article #10
- N. Ryde, B. Edvardsson, B. Gustafsson, H.-U. Käufl
- ArXiv - Astrophysics
- astro-ph/0701916 [abs, ps, pdf, other]
The Determination of Stellar Parameters of Giants in the Galactic Disks and Bulge
- Volume 2, Issue 5 - article #11
- J. Byström, N. Ryde, S. Feltzing, J. Holmberg, T. Bensby
- ArXiv - Astrophysics
- astro-ph/0701913 [abs, ps, pdf, other]
Sulphur abundances in disk stars as determined from the forbidden λ10821 [S I] line
- Volume 1, Issue 28 - article #10
- 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
- Volume 1, Issue 16 - article #20
- 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]

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