Doppler Imaging MPEG Videos
Cool Stars
RS CVn, young active dwarf stars, T Tauri-type stars
EI Eridanae
G5IV, RS CVn, Teff = 5500K, Prot = 1d.945, Veq = 70.9, R = 2.7, i = 46°
EK Draconis
G1.5V single dwarf, Teff = 5870K, Prot = 2d.60, Veq = 20.0, R = 1.0, i = 60°
HD 199178 (1989 April)
G5III-IV FK Comae type variable, Teff = 5450K, Prot = 3d.33, Veq = 71.5, R = 7.3, i = 40°
HD 199178 (1989 May-June)
G5III-IV FK Comae type variable, Teff = 5450K, Prot = 3d.33, Veq = 71.5, R = 7.3, i = 40°
HD 199178 (1990 May)
G5III-IV FK Comae type variable, Teff = 5450K, Prot = 3d.33, Veq = 71.5, R = 7.3, i = 40°
HU Virgo
KOIII-IV RS CVn, Teff = 5000K, Prot = 9d.55, Veq = 65.3, R = 12.3, i = 65°
LQ Hydrae
K2V single dwarf Teff = 5200K, Prot = 1d.610, Veq = 31.2, R = 1.0, i = 65°
σ2 CrB
BY Dra double line binary
F9V Teff = 6000K, Prot = 1d.157, Veq = 56.0, R = 1.3, i = 30°
G0V Teff = 5950K, Prot = 1d.157, Veq = 56.0, R = 1.3, i = 30°
V410 Tauri (1992)
K4IV WTTS, Teff = 4400K, Prot = 1d.872, Veq = 85.0, R = 3.1, i = 70°
V410 Tauri (1993)
K4IV WTTS, Teff = 4400K, Prot = 1d.872, Veq = 85.0, R = 3.1, i = 70°
V410 Tauri (2008)
K4IV WTTS, Teff = 4400K, Prot = 1d.872, Veq = 85.0, R = 3.1, i =
Hot Stars
Peculiar Ap type magnetic spectrum variable stars
ε Ursa Majoris
Aop, Teff = 9500K, Prot = 5d.0887, Veq = 40.9, R = 4, i = 55°
θ Aurigae
B9p, Teff = 10,500K, Prot = 3d.6187, Veq = 64.6, R = 4.3, i = 54°