Astronomy and Astrophysics – Astronomy
Scientific paper
May 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...202.3911c&link_type=abstract
American Astronomical Society Meeting 202, #39.11; Bulletin of the American Astronomical Society, Vol. 35, p.756
Astronomy and Astrophysics
Astronomy
Scientific paper
The 6th-magnitude B2IV-V star HD 6226 was discovered a few years ago on the basis of Hipparcos photometry to be variable, and possibly periodic, by Bozic and Harmanec (1998). Bozic and Harmanec suggested that HD 6226 could be a previously unrecognized Be star based on some episodes of brightening which were accompanied by reddenings in B-V and blueings in U-B. McCollum, Castelaz, and Caton (2000) first reported detection of H-alpha emission from HD 6226, and confirmed that it is a previously unknown Be star.
We have obtained high-resolution (R=19,000) spectra from 3600A to 9000A of HD 6226 over a five-month period in 2002 and 2003 using the Palomar 1.5-m telescope with the Echelle spectrograph. We report the discovery of variability of H-alpha emission in HD 6226, and discuss the first spectroscopic study and monitoring of this object. We compare the time behavior of H-alpha emission with possible periods suggested by Bozic and Harmanec.
Castelaz Michael W.
McCollum Bruce
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