Aarhus University Seal / Aarhus Universitets segl

Poul Erik Nissen

  1. 2021
  2. Published

    G 112-43/44 : A metal-poor binary star with a unique chemical composition and Helmi stream kinematics. / Nissen, P. E.; Silva-Cabrera, J. S.; Schuster, W. J.

    In: Astronomy and Astrophysics, Vol. 651, No. July, A57, 07.2021.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. 2020
  4. Published

    High-precision abundances of elements in solar-type stars : Evidence of two distinct sequences in abundance-age relations. / Nissen, P. E.; Christensen-Dalsgaard, J.; Mosumgaard, J. R. et al.

    In: Astronomy and Astrophysics, Vol. 640, A81, 08.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. 2019
  6. Published

    The subgiant HR 7322 as an asteroseismic benchmark star. / Stokholm, Amalie; Nissen, Poul Erik; Aguirre, Victor Silva et al.

    In: Monthly Notices of the Royal Astronomical Society, Vol. 489, No. 1, 08.2019, p. 928-940.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Carbon and oxygen in metal-poor halo stars. / Amarsi, A. M.; Nissen, P. E.; Asplund, M. et al.

    In: Astronomy & Astrophysics, Vol. 622, 4, 01.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperComment/debate/letter to the editorResearchpeer-review

  8. Published

    Carbon, oxygen, and iron abundances in disk and halo stars. Implications of 3D non-LTE spectral line formation. / Amarsi, A. M.; Nissen, P. E.; Skúladóttir, Á.

    In: Astronomy & Astrophysics, Vol. 630, A104, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. 2018
  10. Published

    High-precision stellar abundances of the elements - methods and applications. / Nissen, Poul Erik; Gustafsson, Bengt.

    In: Astronomy and Astrophysics Review, Vol. 26, No. 6, 01.10.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. Published

    Confirming chemical clocks: asteroseismic age dissection of the Milky Way disc(s). / Silva Aguirre, Victor; Bojsen-Hansen, Mathias; Slumstrup, Ditte et al.

    In: Monthly Notices of the Royal Astronomical Society, Vol. 475, No. 4, 2018, p. 5487-5500.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  12. 2017
  13. Published

    High-precision abundances of elements in Kepler LEGACY stars. / Nissen, Poul Erik; Aguirre, Victor Silva; Christensen-Dalsgaard, Jørgen et al.

    In: Astronomy & Astrophysics, Vol. 608, A112, 13.12.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    The [Y/Mg] clock works for evolved solar metallicity stars. / Slumstrup, D.; Grundahl, F.; Brogaard, K. et al.

    In: Astronomy & Astrophysics, Vol. 604, 8, 08.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. Published

    Sc and neutron-capture abundances in Galactic low- and high-alpha field halo stars. / Fishlock, Cherie K.; Yong, D.; Karakas, Amanda I. et al.

    In: Royal Astronomical Society. Monthly Notices, Vol. 466, No. 4, 05.2017, p. 4672-4682.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. Published

    Sun-like stars unlike the Sun : Clues for chemical anomaliesof cool stars. / Adibekyan, V.; Delgado Mena, E.; Feltzing, S. et al.

    In: Astronomische Nachrichten, Vol. 338, No. 4, 05.2017, p. 442-452.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  17. Published

    High-precision abundances of elements in stars with asteroseismic ages. / Nissen, P. E.; Aguirre, V. Silva; Christensen-Dalsgaard, J. et al.

    In: Proceedings of the International Astronomical Union, Vol. 13, No. S334, 2017, p. 166-169.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  18. 2016
  19. Published

    High-precision abundances of Sc, Mn, Cu, and Ba in solar twins Trends of element ratios with stellar age. / Nissen, P. E.

    In: Astronomy & Astrophysics, Vol. 593, 65, 09.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  20. Published

    Correlation between lithium abundances and ages of solar twin stars. / Carlos, Marília; Nissen, Poul E.; Meléndez, Jorge.

    In: Astronomy & Astrophysics, Vol. 587, A100, 01.03.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  21. Published

    Non-LTE analysis of copper abundances for the two distinct halo populations in the solar neighborhood. / Yan, H. L.; Shi, J. R.; Nissen, Poul Erik et al.

    In: Astronomy & Astrophysics, Vol. 585, A102, 01.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  22. 2015
  23. Published

    High-precision abundances of elements in solar twin stars : Trends with stellar age and elemental condensation temperature. / Nissen, Poul Erik.

    In: Astronomy & Astrophysics, Vol. 579, A52, 26.06.2015.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    Ages and fundamental properties of Kepler exoplanet host stars from asteroseismology. / Silva Aguirre, V.; Davies, G. R.; Basu, S. et al.

    In: Royal Astronomical Society. Monthly Notices, Vol. 452, No. 2, 11.02.2015, p. 2127-2148.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. 2014
  26. Published

    Red giant stars from sloan digital sky survey. I. the general field. / Chen, Y. Q.; Zhao, G.; Carrell, K. et al.

    In: Astrophysical Journal, Vol. 795, No. 1, 52, 01.11.2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  27. Published

    Three Ancient Halo Subgiants: Precise Parallaxes, Compositions, Ages, and Implications for Globular Clusters. / VandenBerg, Don A.; Bond, Howard E.; Nelan, Edmund P. et al.

    In: Astrophysical Journal, Vol. 792, No. 2, 110, 01.09.2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  28. Published

    Carbon and oxygen abundances in stellar populations. / Nissen, P. E.; Chen, Y. Q.; Carigi, L. et al.

    In: Astronomy & Astrophysics, Vol. 568, A25, 01.08.2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  29. Published

    Strömgren Survey for Asteroseismology and Galactic Archaeology: Let the SAGA Begin. / Casagrande, L.; Silva Aguirre, Victor; Stello, D. et al.

    In: Astrophysical Journal, Vol. 787, No. 2, 110, 01.06.2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  30. Published

    The evolution of C and O abundances in stellar populations. / Nissen, Poul E.; Schuster, William J.

    In: Proceedings of the International Astronomical Union, Vol. 9, No. S298, 01.01.2014, p. 65-70.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference articleResearchpeer-review

  31. 2013
  32. Published

    The carbon-to-oxygen ratio in stars with planets. / Nissen, Poul Erik.

    In: Astronomy & Astrophysics, Vol. 552, 552, 02.03.2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  33. Published

    Chemical Abundances as Population Tracers. / Nissen, Poul Erik.

    Planets, Stars and Stellar Systems: Galactic Structure and Stellar Populations. ed. / Terry D. Oswalt; Gerard Gilmore. Springer Publishing Company, 2013. p. 21-54.

    Research output: Contribution to book/anthology/report/proceedingCompendium/lecture notes chapterEducationpeer-review

  34. 2012
  35. Published

    Two distinct halo populations in the solar neighborhood. IV : Lithium abundances. / Nissen, P. E.; Schuster, W. J.

    In: Astronomy & Astrophysics, Vol. 543, 01.07.2012, p. A28.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  36. Published

    Abundances of neutron-capture elements in G 24-25 : A halo-population CH subgiant. / Liu, S.; Nissen, Poul Erik; Schuster, W. J. et al.

    In: Astronomy & Astrophysics, Vol. 541, No. May, 01.05.2012, p. A48.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  37. Published

    Two distinct halo populations in the solar neighborhood. III. Evidence from stellar ages and orbital parameters. / Schuster, W. J.; Moreno, E.; Nissen, Poul Erik et al.

    In: Astronomy & Astrophysics, Vol. 538, 01.02.2012, p. A21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  38. Published

    Lithium abundances in high- and low-alpha halo stars. / Nissen, P. E.; Schuster, W. J.

    In: Societa Astronomica Italiana. Memorie, Vol. 22, No. supplement, 2012, p. 41.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  39. 2011
  40. Published

    Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba. / Nissen, Poul Erik; Schuster, William J.

    In: Astronomy & Astrophysics, Vol. 530, No. A15, 06.2011.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  41. Published

    Sulphur abundances in halo giants from the [S ı] line at 1082 nm and the [S ı] triplet around 1045 nm. / Jönsson, H.; Ryde, N.; Nissen, Poul Erik et al.

    In: Astronomy & Astrophysics, Vol. 530, A144, 2011.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  42. Published

    The most metal-poor damped Lyα systems: insights into chemical evolution in the very metal-poor regime. / Cooke, Ryan; Pettini, Max; Steidel, Charles C. et al.

    In: Royal Astronomical Society. Monthly Notices, Vol. 417, No. 2, 2011, p. 1534-1558.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  43. Published

    Two distinct halo populations in the solar neighborhood. / Schuster, W.J.; Moreno, E.; Nissen, Poul Erik et al.

    In: Astronomy & Astrophysics, Vol. 538, No. A21, 2011.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  44. 2010
  45. Published

    Discussion D: Observational problems with Li, Be and B (review). / Nissen, Poul Erik.

    In: Proceedings of the International Astronomical Union, 2010, p. 493-497.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference articleResearchpeer-review

  46. Published

    Two distinct halo populations in the solar neighborhood Evidence from stellar abundance ratios and kinematics. / Nissen, Poul Erik; Schuster, W.J.

    In: Astronomy & Astrophysics, Vol. 511, No. L10, 2010.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  47. 2009
  48. Published

    The Barium Isotopic Abundance in the Metal-Poor Star HD140283. / Collet, R.; Asplund, Martin; Nissen, Poul Erik.

    In: Publications Astronomical Society of Australia, Vol. 26, 2009, p. 330-334.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  49. Published

    The C/O ratio at low metallicity: constraints on early chemical evolution from observations of Galactic halo stars. / Fabbian, D.; Nissen, Poul Erik; Asplund, Martin et al.

    In: Astronomy & Astrophysics, Vol. 500, 2009.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  50. Published

    The Galactic Disk-Halo Transition - Evidence from Stellar Abundances. / Nissen, Poul Erik; Schuster, W.J.

    In: Proceedings of the International Astronomical Union, 2009, p. 103-108.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference articleResearchpeer-review

  51. 2008
  52. Published

    Quantitative spectroscopy with UVES. / Nissen, Poul Erik.

    In: E S O Astrophysics Symposia, 2008, p. 365-374.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference articleResearchpeer-review

  53. Published

    Spectroscopic determination of atmospheric parameters for metal-poor F, G and K stars. / Nissen, Poul Erik.

    In: Physica Scripta, Vol. T133, No. 014022, 2008.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  54. 2007
  55. Published

    Lithium isotopic abundances in stars. / Nissen, Poul Erik; Asplund, M.

    In: E S O Astrophysics Symposia, 2007, p. 3-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference articleResearchpeer-review

  56. Published

    Sulphur abundances in metal-poor stars. / Nissen, Poul Erik; Akerman, C.; Asplund, M. et al.

    In: E S O Astrophysics Symposia, 2007, p. 51-54.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference articleResearchpeer-review

  57. Published

    Sulphur and zinc abundances in Galactic halo stars revisited. / Nissen, Poul Erik; Akerman, C.; Asplund, M. et al.

    In: Astronomy & Astrophysics, Vol. 469, No. 1, 2007, p. 319-330.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  58. 2006
  59. Published

    Lithium isotopic abundances in metal-poor halo stars. / Asplund, Martin; Lambert, David L.; Nissen, Poul Erik et al.

    In: Astrophysical Journal, Vol. 644, 2006, p. 229-259.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  60. Published

    Oxygen abundances in metal-poor subgiants as determined from [O I], O I and OH lines. / García Pérez, A.E.; Asplund, M.; Primas, F. et al.

    In: Astronomy & Astrophysics, Vol. 451, 2006, p. 621-642.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  61. 2005
  62. Published

    Abundances in giant stars of the globular cluster NGC 6752. / Yong, D.; Grundahl, F.; Nissen, P.E. et al.

    In: Astronomy & Astrophysics, Vol. 438, 2005, p. 875-888.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  63. Published

    Chemical abundances in 43 metal-poor stars. / Jonsell, K.; Edvardsson, B.; Gustafsson, B. et al.

    In: Astronomy & Astrophysics, Vol. 440, 2005, p. 321-343.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  64. Published

    Chemical evolution of the galaxy. / Nissen, P.E.

    The Three-Dimensional Universe with Gaia. ESA SP 576, 2005. p. 121-128.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  65. Published

    Trends and scatter of abundance ratios for metal-poor turnoff stars. / Nissen, P.E.; Asplund, M.; Lambert, D.L. et al.

    Cosmic Abundances as Records of Stellar Evolution and Nucleosynthesis. ASP Conference Series 336, 2005. p. 55-68.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  66. 2004
  67. Published

    uvby-β photometry of high-velocity and metal-poor stars. / Schuster, W.J.; Beers, T.C.; Michel, R. et al.

    In: Astronomy & Astrophysics, Vol. 422, 2004, p. 527-543.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  68. Published

    Sulphur and zinc abundances in Galactic stars and damped Ly α systems. / Nissen, P.E.; Chen, Y.Q.; Asplund, M. et al.

    In: Astronomy & Astrophysics, Vol. 415, 2004, p. 993-1007.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  69. Published

    The [Zn/Fe] - [Fe/H] trend for disk and halo stars. / Chen, Y.Q.; Nissen, P.E.; Zhao, G.

    In: Astronomy & Astrophysics, Vol. 425, 2004, p. 697-705.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  70. Published

    The evolution of the C/O ratio in metal-poor halo stars. / Akerman, C.; Carigi, L.; Nissen, P.E. et al.

    In: Astronomy & Astrophysics, Vol. 414, 2004, p. 931-942.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  71. Published

    Thin and Thick Galactic Disks. / Nissen, P.E.; McWilliams, A (Editor); Rauch, M. (Editor).

    Origin and Evolution of the Elements. Cambridge : Cambridge University Press, 2004. p. 154-167.

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearch

  72. 2003
  73. Published

    CNO at the surface of low and intermediate MS stars. / Nissen, Poul Erik.

    ASP Conference Series. 2003. p. 60-68.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  74. Published

    Chemical abundances of old metal-rich stars in the solar neighborhood. / Chen, Y.Q.; Zhao, G.; Nissen, P.E. et al.

    In: Astrophysical Journal, Vol. 591, 2003, p. 925-935.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  75. Published

    Mg isotopic ratios in giant stars of the globular cluster NGC 6752. / Yong, D.; Grundahl, Frank; Lambert, D.L. et al.

    In: Astronomy & Astrophysics, Vol. 402, 2003, p. 985-1001.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  76. Published

    Sulphur and iron abundances in halo stars. / Nissen, P.E.; Chen, Y.Q.; Asplund, M. et al.

    IAU Symposium. 2003. p. 075205-1.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  77. 2002
  78. Published

    Abundances of RGB stars in NGC 6752. / Grundahl, F.; Briley, M.; Nissen, P.E. et al.

    In: Astronomy & Astrophysics, Vol. 385, 2002, p. 14-17.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  79. Published

    High S/N, high resolution image slicer observations with UVES. / Dekker, H.; Nissen, P.E.; Kaufer, A. et al.

    ASP Conf. 2002.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  80. Published

    O/Fe in metal-poor main sequence and subgiant stars. / Nissen, P.E.; Primas, F.; Asplund, M. et al.

    In: Astronomy & Astrophysics, Vol. 390, 2002, p. 235.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  81. Published

    Sulphur abundances in disk stars: a correlation with silicon. / Chen, Y.Q.; Nissen, P.E.; Zhao, G. et al.

    In: Astronomy & Astrophysics, Vol. 390, 2002, p. 225.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  82. 2001
  83. Published

    Abundances of RGB Stars in the Globular Cluster NGC 6752. / Briley, M.M.; Grundahl, F.; Nissen, P.E. et al.

    2001. p. 56-56.

    Research output: Working paper/Preprint Working paper

  84. Published

    Astronomy and Astrophysics. / Nissen, P.E.

    2001. 1 p.

    Research output: Book/anthology/dissertation/reportBookCommunication

  85. Published

    Lithium abundances for 185 main-sequence stars. Galactic evolution and stellar depletion of lithium. / Chen, Y.Q.; Nissen, Poul Erik; Benoni, T. et al.

    In: Astronomy and Astrophysics, Vol. 371, 2001, p. 943-951.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  86. Published

    Oxygen abundances of halo dwarf and subgiant stars from VLT/UVES observations of the [OI] 6300 Å line. / Nissen, P.E.; Primas, F.; Asplund, M.

    In: New Astronomy Reviews, Vol. 45, 2001, p. 545-547.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  87. Published

    The lithium isotope ratio in metal-poor stars. / Nissen, P.E.; Asplund, M.

    In: Nuclear Physics, Vol. A688, 2001, p. 402-404.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  88. Published

    The problem of the Pleiades distance. Constraints from Strömgren photometry of nearby field stars. / Stello, D.; Nissen, P.E.

    In: Astronomy and Astrophysics, Vol. 374, 2001, p. 105-115.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  89. 2000
  90. Published

    Chemical composition of 90 F and G disk dwarfs. / Chen, Y.Q.; Nissen, P.E.; Zhao, G. et al.

    In: Astron. Astrophys. Suppl, Vol. 141, 2000, p. 491.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  91. Published

    Chemical composition of mildly metal-poor stars. / Nissen, Poul Erik.

    Proceedings of the 35th Liege Int. Astroph. Coll. ed. / A. Noels et al. 2000. p. 125-134.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  92. Published

    Heavy-element abundances in the CH/CN-strong very metal-poor stars CS 22948-27 and CS 29497-34. / Hill, V.; Barbuy, B.; Spite, M. et al.

    In: Astronomy & Astrophysics, Vol. 353, 2000, p. 557.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  93. Published

    Observations of 6Li in metal poor stars. / Nissen, Poul Erik.

    Proceedings of IAU Symp. 198. ed. / L. da Silva; M. Spite; J.R. de Medeiros. 2000. p. 259-268.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  94. Published

    Sc and Mn abundances in disk and metal-rich halo stars. / Nissen, P.E.; Chen, Y.Q.; Schuster, W.J. et al.

    In: Astronomy & Astrophysics, Vol. 353, 2000, p. 722.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  95. Published

    The beryllium abundance in the very metal-poor halo star G64-12 from VLT/UVES observations. / F., Primas; M., Asplund; Nissen, Poul Erik et al.

    In: Astronomy & Astrophysics, Vol. 364, 2000, p. 42-42.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  96. Published

    The lithium isotope ratio in the metal-poor halo star G271-162 from VLT/UVES observations. / Nissen, Poul Erik; M., Asplund; V., Hill et al.

    In: Astronomy & Astrophysics, Vol. 357, 2000, p. 49-49.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  97. 1999
  98. Published

    Abundance ratios in metal-rich halo and thick-disk stars. / Nissen, P.E.

    In: Astrophysics and Space Science, Vol. 265, 1999, p. 249-256.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  99. Published

    Abundances in Very Metal-Poor Stars. / Spite, M.; Spite, F.; Cayrel, R. et al.

    In: Astrophysics and Space Science, Vol. 265, 1999, p. 141-144.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  100. Published

    Isotopic lithium abundances in five metal-poor disk stars. / Nissen, Poul Erik; Lambert, D.L.; Primas, F. et al.

    In: Astronomy & Astrophysics, Vol. 348, 1999, p. 211-221.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  101. Published

    Strömgren 4-Color Photometry of Very Metal-Poor Stars. / Schuster, W.J.; Parrao, L.; Franco, A. et al.

    In: Astrophysics and Space Science, Vol. 265, 1999, p. 183-184.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  102. 1967
  103. Published

    Photoelectric 4430 A observations of 506 O, B and A stars. / Baerentzen, J.; Gammelgaard, P.; Hilberg, T. et al.

    In: Journal des Observateurs, Vol. 50, 1967, p. 83-99.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review