Table 1
Decay-from-outburst properties of selected dwarf novae.
| System | P orb | M 1 | M 2 | R d,max | W | τ dec o |
|
||
| (h) | (M⊙) | (M⊙) | (1010cm) | (d) | (d/mag) | (d/mag) | |||
|
|
|||||||||
| 1 | BV Cen | 14.67 | 1.24 | 1.1 | 9.76 | 20.9 | 5.7 | 5.47 | |
| 2 | AT Ara | 9.01 | 0.53 | 0.42 | 5.354 | 4.1 | 2.3 | 1.98 | |
| 3 | RU Peg | 8.99 | 1.21 | 0.94 | 7.05 | 7.2 | 3.2 | 2.75 | |
| 4 | MU Cen | 8.21 | 1.2 | 0.99 | 6.586 | 7.9 | 3.1 | 4.15 | |
| 5 | SS Cyg | 6.6 | 0.81 | 0.55 | 5.069 | 6.4 | 2.5 | 1.89 | |
| 6 | TWVir | 4.38 | 0.91 | 0.4 | 4.168 | 3.7 | 0.8 | 1.82 | |
| 7 | SS Aur | 4.33 | 1.08 | 0.39 | 4.462 | 4.3 | 1.6 | 1.48 | |
| 8 | U Gem | 4.25 | 1.2 | 0.42 | 4.58 | 3.2 | 1.3 | 1.32 | |
|
|
|||||||||
| 9 | EY Cyg | 11.02 | 1.1 | 0.49 | 8.201 | 14.3 | 4.29 | 2.83 | |
| 10 | DX And | 10.57 | 1.2 | 0.8 | 7.923 | 12.5 | 3.47 | 2.90 | |
| 11 | EX Dra | 5.04 | 0.75 | 0.56 | 4.097 | ? | 2.63 | 2.01 | |
| 12 | BD Pav | 4.30 | 1.15 | 0.73 | 4.307 | ? | 2.96 | 1.54 | |
| 13 | IP Peg | 3.797 | 1.16 | 0.55 | 4.077 | ? | 2.16 | 1.75 | |
|
|
|||||||||
| 14 | CU Vel | 1.884 | 1.23 | 0.15 | 2.988 | 4.5 | 1.1 | 1.05 | |
| 15 | WX Hyi | 1.796 | 0.9 | 0.16 | 2.519 | 4.0 | 0.9 | 1.55 | |
| 16 | Z Cha | 1.788 | 0.84 | 0.13 | 2.503 | 3.7 | 1.0 | 1.24 | |
| 17 | VW Hyi | 1.783 | 0.67 | 0.11 | 2.292 | 4.0 | 0.7 | 0.90 | |
| 18 | OY Car | 1.515 | 0.64 | 0.086 | 2.07 | 4.7 | 0.8 | 0.74 | |
| 19 | Ek TrA | 1.509 | 0.46 | 0.09 | 1.775 | 3.0 | 0.7 | 0.50 | |
| 20 | SW UMa | 1.364 | 0.71 | 0.1 | 1.987 | 7.6 | 0.6 | 0.49 | |
|
|
|||||||||
| 21 | PTF1J0719 | 0.446 | 0.5 | 0.05 | 0.871 | 1 | 0.25 | 0.79 | |
Notes. Porb is the orbital period,
M1 and M2 the primary and
secondary masses respectively, Rd,max
the maximum disc radius, W the observed outburst width,
τdeco the observed decay rate, and
the theoretical (Eq. (7)) decay rate
for αh = 0.2. Rows: 1−8: U Gem stars
from Ak et al. (2002), 9−13: U Gem stars
with τdec calculated by authors from light-curves from
AFOEV database, 14−20: SU UMa stars from Ak et al.
(2002), 21: AM CVn star from Levitan et al.
(2011); Porb, M1
and M2 are taken from Ritter & Kolb (2003);
Rd,max is calculated according to
Eqs. (1), (2).
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