SPA Variable Star Section

List of SPA VSS programme

Variable                Range      Type            Period(s)

Eta     Aquilae         3.5-4.3    Cepheid         7.177d
RZ      Cassiopeiae     6.4-7.8    Eclipsing       1.195d
Gamma   Cassiopeiae     1.6-3.0    Gamma Cas
T       Cephei          5.4-11.0   Mira            389d
Delta   Cephei          3.4-4.3    Cepheid         5.366d
Mu      Cephei          3.6-5.1    Semi Regular    750d , 12y
Omicron Ceti            1.7-10.1   Mira            332d
Chi     Cygni           3.4-14.2   Mira            407d
Zeta    Geminorum       3.7-4.2    Cepheid         10.150d
Eta     Geminorum       3.0-3.9    Semi Reg + Ecl  233d , 8y
Alpha   Herculis        3.0-4.0    Semi Regular    100d , 6y ?
u       Herculis        4.6-5.3    Eclipsing       2.051d
R       Lyrae           3.9-5.0    Semi Regular    46d ??
Beta    Lyrae           3.4-4.2    Eclipsing       12.914d
U       Orionis         5.3-12.6   Mira            372d
Alpha   Orionis         0.4-1.3    Semi Regular    1600d ?
Beta    Pegasi          2.3-2.8    Irregular
Beta    Persei          2.1-3.4    Eclipsing       2.867d
Rho     Persei          3.3-4.0    Semi Regular    50d ??
R       Scuti           4.5-8.3    RV Tauri        142d
R       Serpentis       5.7-14.4   Mira            357d
Lambda  Tauri           3.4-3.9    Eclipsing       3.953d
R       Trianguli       5.4-12.0   Mira            266d
R       Ursae Majoris   6.7-13.4   Mira            302d
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 Maintained by Michael Oates Email: mike@ph.u-net.com
Last modified 20th Aug 1996