Spectroscopic Observations of HIPPARCOS SPBs with Okayama-1.88m/HIDES

Details Spectroscopic Observations of HIPPARCOS SPBs with Okayama-1.88m/HIDES Spectroscopic Observations of HIPPARCOS SPBs with Okayama-1.88m/HIDES

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..361..463m&link_type=abstract

Active OB-Stars: Laboratories for Stellar and Circumstellar Physics, ASP Conference Series, Vol. 361, Proceedings of the confere

Physics

Scientific paper

We present the results of time series of spectroscopic observations for a sample of 22 Slowly Pulsating B stars(SPBs), which were discovered from the HIPPARCOS mission. The observations were carried out using Okayama-1.88m telescope and HIDES (HIgh Dispersion Echelle Spectrograph) with the aim to detect line-profile variability and to confirm pulsation nature of these target stars. Line-profile variation was detected in twelve SPBs and suspected in another five stars. We also confirmed five spectroscopic binaries and four suspected ones.

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