The extended atmosphere of VZ Cancri, a Delta Scuti variable

Details The extended atmosphere of VZ Cancri, a Delta Scuti variable The extended atmosphere of VZ Cancri, a Delta Scuti variable

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pazh...10..223g&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 10, Mar. 1984, p. 223-228) Soviet Astronomy Letters (ISSN 0360-0327), vol. 10, Mar.-Apr

Astronomy and Astrophysics

Astronomy

1

Radial Velocity, Stellar Atmospheres, Stellar Oscillations, Variable Stars, Gas Density, H Alpha Line, Stellar Magnitude

Scientific paper

The existence of an extended pulsating atmosphere in the δ Sct-type star VZ Cnc has been found. The outer layers of the atmosphere are cooling due to Hα-line radiation during 1.5×104 s after passing the shock wave which induces the emission. The star radius, shock wave characteristics and physical conditions in the radiatively cooling layer are determined.

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