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Table 1

Data used to determine for 13 semidetached binaries.

System Md + Mg Rd + Rg Teff,   d Teff,   g dM/dt Tspot D
(M) (R) (K) (K) (M yr-1) (K)

VW Cep 0.90 + 0.25 0.93 + 0.50 5000 5200 8.769E−08 7076 6.528 0.0445
AR Boo 0.35 + 0.90 0.65 + 1.00 5398 5100 1.484E−07 5539 1.064 0.0535
CN And 1.30 + 0.51 1.43 + 0.92 6500 5911 1.215E−07 6485 8.251 0.0261
KZ Pav 0.80 + 1.20 1.66 + 1.50 5000 6500 2.629E−08 7357 12.544 0.280
V361 Lyr 1.26 + 0.87 1.02 + 0.72 6200 4500 2.178E−07 11 021 5.185 0.156
RT Scl 1.63 + 0.72 1.67 + 1.02 7000 4800 9.500E−08 9300 36.363 0.0923
CL Aur 1.35 + 2.24 2.51 + 2.58 6323 9420 1.302E−07 10 598 45.080 0.178
U Cep 1.86 + 3.57 4.40 + 2.41 4975 11 215 5.092E−07 30 000 305.631 0.577
U Sge 1.99 + 5.45 5.64 + 4.11 5500 12 250 2.036E−06 20 000 49.185 0.510
SV Cen 8.56 + 6.05 5.90 + 5.00 14 000 23 000 1.626E−04 37 580 211.238 0.0297

System Md + Mg Rd + Rdisk Teff,   d + Teff,   g Tdisk    +    Tedge,   disk dM/dt T spot D
(M) (R) (K) (K) (M yr-1) (K)

SW Cyg 0.50 + 2.50 4.30 + 3.44 4891 + 9000 6308 + 4968 2.130E–07 13060 106.032 0.587
V356 Sgr 3.00 + 11.00 13.20 + 9.07 8600 + 16 500 6174 + 4299 4.442E–07 17050 659.326 0.561
β Lyr 4.25 + 14.1 16.70 + 15.88 13 000 + 28 000 18 279 + 8919 3.440E–05 22590 135.355 0.446

Notes. The many digits in the numbers are only significant because they assure the internal consistency between the values of Lacc, A, S, and . The first ten binaries are direct impact systems, and the last three lines contain disk systems, with radii and temperatures of the gainer and its accretion disk defined separately.

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