The search for roAp stars: null results and new candidates from Stroemgren-Crawford photometry
E. Paunzen; G. Handler; K. Honkova; J. Jurysek; M. Masek; M. Drozdz; J. Janik; W. Ogloza · 2018 · arXiv
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
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Abstract (excerpt)
The rapidly oscillating Ap (roAp) stars exhibit pulsational photometric and/or radial velocity variations on time scales of several minutes, which are essential to test current pulsation models as well as our assumptions of atmospheric structure characteristics. In addition, their chemical peculiarity makes them very interesting for probing stellar formation and evolution in the presence of a global magnetic field. To date, a limited number of only 61 roAp stars are known to show photometric variability. On the other hand, a literature survey yields 619 unique stars that have unsuccessfully be
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Metadata source: arXiv