Expanding motion in the ionized envelope of HBV 475

Journal Article · Thu Jan 01 04:00:00 EST 1981 · Astrophys. Lett.; (United States)

OSTI ID:5234942

Tamura, S

Expansion velocities in the ionized envelope of HBV 475 are obtained from line profiles of H-alpha, He I 6678, 7065, and forbidden Fe VII 6087. Two components of forbidden Fe VII 6087 show evidence of outward gas motion with high velocities from the central star. H-alpha and He I 6678 profiles are very similar to those obtained from observations of forbidden O III and Ne III lines, and have gas motion velocities corresponding to full widths at half-maximum of the lines which do not exceed the velocities of Fe(+6). Through investigations of He(+) and Fe(+5) ionization structures, it is concluded that the interacting stellar winds model is favorable to explain the velocity fields suggested by the line profiles.

• Research Organization: Tohoku University, Sendai, Japan
• OSTI ID: 5234942
• Journal Information: Astrophys. Lett.; (United States), Journal Name: Astrophys. Lett.; (United States) Vol. 22; ISSN ASTLA
• Country of Publication: United States
• Language: English

Related Subjects

640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BALMER LINES
ELEMENTS
ERUPTIVE VARIABLE STARS
FLUIDS
GASES
HELIUM
IRON
LINE WIDTHS
METALS
NONMETALS
RARE GASES
SPECTROPHOTOMETRY
STARS
STELLAR WINDS
T TAURI STARS
TRANSITION ELEMENTS
VARIABLE STARS