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Table 3

Summary of observations and derived INOV parameters for the LPCDQ sample.

Source Date Tel. Dur. N p σ ψ ΔmCS1,ΔmCS2 F CS1 , F CS2 Status F CS1−CS2 Status Ref.?
dd.mm.yy used (h) (%) (%) F CS1 , F CS2 (CS1-CS2)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13)
J0005 + 0524 23.10.06 ST 6.0 14 0.11 0.95 –0.06, –0.19 2.76, 3.72 PV,PV 0.21 N (a)
18.11.06 ST 3.9 09 0.06 0.53 0.09, 0.30 1.16, 2.63 N,N 0.11 N (a)
14.09.07 ST 4.3 10 0.15 0.72 –0.10, 0.26 1.00, 1.46 N,N 0.60 N (a)
16.09.07 ST 5.2 11 0.20 1.34 0.03, –0.23 6.90, 2.25 V,N 0.93 N (a)
J0235−0402 21.10.04 ST 6.3 13 0.17 1.43 0.70, 0.83 7.20, 3.76 V,PV 1.85 N (a)
22.10.04 ST 6.7 15 0.11 0.89 0.12, 0.83 1.03, 1.51 N,N 0.33 N (a)
04.11.04 ST 5.7 23 0.13 0.88 0.59, 0.84 1.69, 2.63 N,PV 0.74 N (a)
05.11.04 ST 6.8 27 0.13 0.45 0.71, 0.83 0.37, 0.60 N,N 1.09 N (a)
J0456 + 0400 23.11.08 ST 6.0 22 0.17 1.67 0.41, 1.39 2.36, 3.83 PV, V 0.93 N (a)
29.11.08 ST 5.0 18 0.12 0.85 0.99, 1.39 1.05, 0.91 N, N 0.37 N (a)
03.12.08 ST 4.9 20 0.20 1.17 0.46, 0.99 1.22, 0.92 N, N 0.67 N (a)
J0741 + 3112 20.01.06 ST 7.0 29 0.16 0.72 0.46, 1.07 0.92, 2.25 N, PV 1.08 N (a)
21.01.06 ST 3.6 16 0.15 4.88 0.20, 0.96 35.35, 61.39 V, V 0.50 N (a)
18.12.06 ST 6.8 28 0.10 0.95 1.05, 1.19 1.29, 1.17 N, N 0.69 N (a)
22.12.06 ST 7.3 30 0.11 1.33 1.04, 1.18 3.30, 3.27 V, V 0.79 N (a)
J0842 + 1835 04.02.06 ST 7.1 26 0.14 3.44 1.33, 1.61 11.09, 10.2 V, V 1.39 N (a)
16.12.06 ST 5.0 12 0.18 1.68 0.81, 1.36 2.29, 1.50 N, N 0.90 N (a)
21.12.06 ST 6.5 28 0.12 1.46 0.79, 1.34 1.83, 2.59 N, V 0.36 N (a)
J0958 + 3224 19.02.99 ST 6.5 34 0.22 1.21 –0.48, 1.24 0.68, 1.37 N, N 0.34 N (b)
03.03.00 ST 6.3 35 0.32 0.83 –0.54, 0.77 0.63, 1.82 N, PV 1.49 N (b)
05.03.00 ST 6.9 32 0.16 0.66 –0.54, 0.77 0.56, 1.24 N, N 0.34 N (b)
J1131 + 3114 18.01.01 ST 5.7 29 0.21 0.72 –0.10, 0.13 0.77, 0.82 N, N 0.72 N (b)
09.03.02 ST 8.2 25 0.24 1.22 0.20, –0.23 1.79, 1.01 N, N 0.91 N (b)
10.03.02 ST 8.3 26 0.19 0.45 0.00, 0.20 0.33, 1.12 N, N 0.93 N (b)
J1228 + 3128 07.03.99 ST 6.6 47 0.43 1.82 –0.19, 1.10 1.67, 2.71 PV, V 2.27 V (b)
07.04.00 ST 6.0 25 0.57 1.54 –0.20, –1.56 1.70, 0.76 N, N 1.24 N (b)
20.04.01 ST 7.4 32 0.40 1.48 –0.21, –1.57 2.21, 1.52 PV, N 0.56 N (b)
J1229 + 0203 07.03.11 ST 4.9 32 0.14 0.91 0.26, 0.34 3.92, 2.25 V, PV 1.27 N (a)
10.03.11 ST 6.3 47 0.18 0.67 0.24, 0.28 1.29, 1.42 N, N 2.20 V (a)
09.04.11 IGO 5.6 49 0.13 0.68 0.27, 0.28 2.81, 2.31 V, V 1.68 PV (a)
J1357 + 1919 27.02.06 ST 4.2 10 0.11 1.25 0.34, 0.35 13.38, 17.79 V, V 0.78 N (a)
05.03.06 ST 4.0 09 0.12 0.53 0.30, 0.32 1.71, 4.46 N, PV 1.58 N (a)
26.03.06 ST 5.8 10 0.20 0.53 0.29, 0.34 1.06, 0.71 N, N 2.78 N (a)
28.03.06 ST 5.2 18 0.17 3.58 0.29, 0.35 33.51, 41.42 V, V 1.22 N (a)
29.03.06 ST 5.3 19 0.21 0.41 0.29, 0.32 0.47, 0.63 N, N 2.36 PV (a)
06.04.06 ST 6.8 24 0.20 1.12 0.33, 0.35 2.43, 1.18 PV, N 1.03 N (a)
22.04.06 ST 4.1 15 0.20 0.60 0.31, 0.35 0.88, 1.62 N, N 0.90 N (a)
23.04.06 ST 4.4 14 0.28 2.16 0.79, 1.58 4.80, 4.90 V, V 1.39 N (a)
J2203 + 3145 08.11.05 HCT 3.6 15 0.06 0.81 –0.04, –0.35 5.17, 5.94 V, V 0.23 N (a)
14.09.06 ST 5.4 24 0.20 0.90 –0.15, 0.33 3.69, 5.19 V, V 2.70 PV (a)
15.09.07 ST 7.1 30 0.09 0.58 –0.04, 0.50 1.12, 1.22 N, N 0.35 N (a)
J2346 + 0930 20.09.03 HCT 5.3 37 0.16 1.71 –0.67, 0.81 7.69, 19.49 V, V 0.66 N (a)
20.10.04 ST 5.1 10 0.16 0.74 0.73, 0.86 3.31, 3.69 PV, PV 1.73 N (a)
16.11.06 ST 4.3 10 0.10 0.32 0.23, 0.97 0.79, 0.43 N, N 0.55 N (a)

Notes. Columns: (1) source name; (2) date of observation; (3) telescope used; (4) duration of monitoring; (5) number of data points in the DLC; (6) rms of the steadiest star-star DLC; (7) INOV amplitude (ψ); (8) mean magnitude differences: (Q-CS1) and (Q-CS2) for the night; (9) F-values computed for the Q-CS1 and Q-CS2 DLCs; (10) variability status estimated from the FCS1,FCS2 values, respectively; (11) F-value for the (CS1-CS2) DLC; (12) variability status for the (CS1-CS2) DLC; (13) reference for the INOV data (see text for more information Sect. 4.1).

(¶)

ST – Sampurnanad Telescope (ARIES); HCT – Himalayan Chandra Telescope (IIA); IGO – IUCAA Girawali Observatory.

(†)

V = Variable; N = Non-variable; PV = Probable Variable;

(£)

References for the INOV data: (a) present work; (b) Sagar et al. (2004).

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