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Table 1

Log of observations.

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
SDSS date HJD n texp Δt Δϕ Porb TWD MS r
[d] [s] [h] orbits [h] [103 K] [mag]

J005245.11−005337.2 2009-10-17 2 455 122 3 900 0.52 0.19 2.73 16 M4 19.1
J015225.38−005808.5 2009-10-17 2 455 122 10 240 0.69 0.32 2.17 9 M6 17.7
J023804.39−000545.7 2009-10-17 2 455 122 4 660 0.58 0.11 5.08 22 M3 18.7
J030308.35+005444.1 2009-10-17 2 455 122 7 360 0.66 0.21 3.20 M4 18.1
J141134.70+102839.7 2009-04-15 2 454 937 3 900 0.52 0.13 4.02 30 M3 19.1
J152933.25+002031.2 2009-04-15 2 454 937 4 660 0.58 0.15 3.95 14 M5 18.3
J155904.62+035623.4 2009-04-15 2 454 937 4 660 0.58 0.26 2.27 49 18.6
J211205.31+101427.9 2009-06-20 2 455 003 4 660 0.58 0.27 2.17 20 M6 18.4
J212320.74+002455.5 2009-05-25 2 454 977 6 900 1.39 0.39 3.58 13 M6 19.4
J213218.11+003158.8 2009-05-26 2 454 978 7 360 0.66 0.12 5.33 16 M4 18.2
J221616.59+010205.6 2009-05-26 2 454 978 7 360 0.66 0.13 5.05 12 M5 18.0

Notes. Columns: (1) target’s SDSS designation; (2) start of night of observation; (3) Heliocentric Julian Day; (4) number of exposures; (5) exposure time; (6) covered time range; (7) covered fraction of orbital cycle; (8) orbital period; (9) approximate temperature of the white dwarf; (10) spectral type of the secondary star; (11) magnitude in Sloan r.Orbital periods were taken from Rebassa-Mansergas et al. (2008) and Nebot Gomez-Moran et al. (in prep.), Cols. (9)−(11) are from Rebassa-Mansergas et al. (2010).

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