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A. Reiners, J. H. M. M. Schmitt, M. Kürster: Detection of differential rotation in ψ Cap with profile analysis. In: Astronomy & Astrophysics. Bd. 376, Nr. 1, 2001, S. L13–L16, doi:10.1051/0004-6361:20011023 (PDF; 186 kB).
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R. O. Gray, C. J. Corbally, R. F. Garrison, M. T. McFadden, E. J. Bubar, C. E. McGahee, A. A. OʼDonoghue, E. R. Knox: Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc – The Southern Sample. In: The Astronomical Journal. Bd. 132, Nr. 1, 2006, S. 161–170, doi:10.1086/504637 (PDF; 774 kB). VizieR: NStars project: The southern sample. I. (Gray+, 2006).
E. Høg, C. Fabricius, V. V. Makarov, S. Urban, T. Corbin, G. Wycoff, U. Bastian, P. Schwekendiek, A. Wicenec: The Tycho-2 catalogue of the 2.5 million brightest stars. In: Astronomy and Astrophysics. Bd. 355, 2000, S. L27–L30, bibcode:2000A&A...355L..27H (PDF; 102 kB). VizieR: The Tycho-2 Catalogue (Hog+ 2000).
R. O. Gray, C. J. Corbally, R. F. Garrison, M. T. McFadden, E. J. Bubar, C. E. McGahee, A. A. OʼDonoghue, E. R. Knox: Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc – The Southern Sample. In: The Astronomical Journal. Bd. 132, Nr. 1, 2006, S. 161–170, doi:10.1086/504637 (PDF; 774 kB). VizieR: NStars project: The southern sample. I. (Gray+, 2006).