NGC 663

NGC663
Basic information
Right Ascension (2000) 01 46 09
Declination (2000) +61 14 06
Distance [ps] 1952
Log Age 7.209

The total number of the variable stars in NGC663 observed in Białków: 24 .

The VIC photometry and the data shown in table below concern variable stars in cluster NGC 663 derived from paper:
A. Pigulski, G. Kopacki and Z. Kołaczkowski AcA, 2001, Vol. 51, pp. 159–174.

Star Period
[d] 		Range in IC
[mag] 		V
[mag] 		V-IC
[mag] 		Type of variability
W4 0.194047 0.040 11.042 0.627 β Cephei
W 114 0.27640 0.029 12.378 0.658 β Cephei
W 41 0.6698 0.033 14.334 0.812 SPB
W 79 1.3077 0.033 14.118 0.751 Ellipsiodal
W 125 0.5760 0.11 14.251 1.158 Ellipsoidal
MV 43018 0.461193 0.11 14.644 1.174 EA
W 6 — 0.40 11.952 0.927 Be
W 8 0.67298 0.035 12.230 0.790 Be, λ Eri
W 10 — 0.04 11.796 0.854 Be
W 21 — 0.21 10.659 0.699 Be
W 39 — 0.22 10.295 0.929 Be
W 51 — 0.09 13.196 0.893 Be
W 53 — 0.13 11.320 0.990 Be
W 92 — 0.22 10.567 0.784 Be B2 IV:e
W 93 — 0.33 11.809 0.970 Be
W 141 — 0.07 10.651 0.802 Be B2 IIIe
W 14 — 0.15 12.660 0.758 Unknown
W 44 — 0.04 8.433 0.799 Supergiant BD+60o339,
B6 Iab
W 54 — 0.07 8.861 0.951 Supergiant BD+60o333 A,
B5 Iab
W 91 — 0.025 10.959 0.858 Unknown
W 109 1.221 0.015 13.115 0.686 Unknown non-sinusoidal
W 138 4.50 0.06 13.898 0.564 Unknown
MV 43015 0.5476 0.019 14.916 1.077 Unknown