Comments on the variability and physical parameters of the F supergiant Phi Cassiopeiae

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3680

Title:	Comments on the variability and physical parameters of the F supergiant Phi Cassiopeiae
Authors:	Ferro, A. A Parrao, L Giridhar, S
Keywords:	Cassiopeia constellation F stars Supergiant Stars Variability Variable Stars Astronomical Photometry Radial Velocity UBV Spectra
Issue Date:	Aug-1988
Publisher:	Astronomical Society of the Pacific
Citation:	Publications of the Astronomical Society of the Pacific, Vol. 100, No. 630, pp. 993 - 998
Abstract:	UBVRI and uvby photometry and radial velocities have been obtained for the F0 Ia supergiant Phi Cas. The variability is confirmed from the radial velocities; the velocity range is small (Delta V/subr of about 6 km/s). No indication is found of strict periods longer than 15 days. The physical parameters Te = 7300 K + or - 300 K, R = 245 + or - 45 solar radii, and log g = 0.9 + or - 0.2 are estimated.
URI:	http://hdl.handle.net/2248/3680
ISSN:	0004-6280
Appears in Collections:	IIAP Publications

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