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Table 2

Properties of AM CVns with known orbital periods and distances.

System Porb (min) M1(M) M2(M) log tr [g/s] Ref.

ES Cet* 10.35 0.44−0.69 0.062−0.26 1,5
SDSS J1908+3940*  ~15.6 ? ? 17.35−17.73 7
AM CVn* 17.15 0.71 ± 0.07 0.13 ± 0.01 2
HP Lib 18.38 0.80−0.4 0.048−0.088 2
CR Boo 24.52 1.10−0.67 0.048−0.088 2
V803 Cen 26.6 1.17−0.78 0.059−0.109 2
SDSS J0926+3624 28.3 0.85 ± 0.04 0.035 ± 0.003 4,6
SDSS J1240-01 37.36 ? ? 3
GP Com* 46.57 0.50−0.68 0.009−0.012  ≤  2
V396 Hya* 65.1 ? ? 13.33 3

Notes. 

(*)

Persistent systems;

(†)

upper limit;

(♭)

superhump period (?).

References. (1) Espaillat et al. (2005); (2) Roelofs et al. (2007a); (3) Bildsten et al. (2006); (4) Deloye et al. (2007); (5) Copperwheat et al. (2011b); (6) Copperwheat et al. (2011a); (7) Fontaine et al. (2011). See also Nelemans (2010).

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