(vsnet-obs 2979,Vitaliy Goranskiy)
Dear collegues.
Following are our photoelectric observations of V705 Cas (N Cas 1993) made with different telescopes and photometers. Note that the deviations in the same bands between the observations with different photometers reach 0.6-0.7 magnitudes. These large and time variable deviations do exist in V band where the color equation coefficients determined relative to normal stars are equal to 0.00 +/-0.01 in all the devices! Seems, that they are temperature dependent. We observe such deviations in all the novae when their spectrum has strong emissions. Our data are systematically more faint than visual estimates.
JD 24... V B U R Observatory- W if AA Device- Observer(s) 49358.1344 7.333 7.692 6.326 6.314 AA-Na-G 49358.1452 7.507 7.669 6.342 6.358 AA-Na-G 49358.1486 7.541 7.668 6.313 6.347 AA-Na-G 49365.0615 7.201 7.635 6.701 6.400 AA-Ko-Q 49365.0715 7.195 7.626 6.964 6.360 AA-Ko-Q 49365.0836 7.205 7.629 6.706 6.300 AA-Ko-Q 49365.0969 7.198 7.630 6.708 6.300 AA-Ko-Q 49365.1044 7.201 7.634 6.712 6.320 AA-Ko-Q 49365.1262 7.220 7.643 6.729 6.180 AA-Ko-Q 49369.1094 7.531 7.878 6.964 6.533 AA-Ko-Po 49369.1158 7.535 7.891 6.967 6.531 AA-Ko-Po 49369.1200 7.532 7.877 6.972 6.531 AA-Ko-Po 49369.1258 7.528 7.871 6.940 6.525 AA-Ko-Po 49369.1464 7.527 7.879 6.940 6.527 AA-Ko-Po 49369.1523 7.528 7.866 6.954 6.528 AA-Ko-Po 49369.1545 7.520 7.856 6.923 6.520 AA-Ko-Po 49369.1564 7.521 7.858 6.926 6.522 AA-Ko-Po 49369.1583 7.513 7.842 6.920 6.515 AA-Ko-Po 49369.1615 7.511 7.844 6.916 6.516 AA-Ko-Po 49369.1635 7.496 7.826 6.893 6.509 AA-Ko-Po 49369.1660 7.501 7.837 6.913 6.519 AA-Ko-Po 49369.1689 7.478 7.818 6.873 6.503 AA-Ko-Po 49369.1708 7.472 7.807 6.853 6.498 AA-Ko-Po 49369.1726 7.485 7.817 6.858 6.508 AA-Ko-Po 49369.1746 7.482 7.813 6.871 6.506 AA-Ko-Po 49369.1776 7.478 7.814 6.844 6.504 AA-Ko-Po 49373.0858 7.615 8.010 6.907 6.577 AA-Na-G 49373.0995 7.639 8.043 6.915 6.545 AA-Na-G 49373.1205 7.617 7.989 6.931 6.636 AA-Na-G 49378.1180 7.590 7.934 7.040 6.604 AA-Ko-Po 49382.0958 8.066 8.340 7.414 6.915 AA-Ko-Po 49384.1023 7.981 8.280 7.387 6.888 AA-Ko-Po 49385.0688 0.000 8.473 7.407 7.022 AA-Na-G 49385.1012 8.154 8.425 7.516 6.995 AA-Ko-Po 49385.1079 8.148 8.425 7.495 6.993 AA-Ko-Po 49385.1161 8.148 8.426 7.490 6.989 AA-Ko-Po 49542.3285 13.27 13.71 13.54 12.40 AA-Ko-G 49542.3359 13.24 13.71 13.45 12.35 AA-Ko-G 49546.1725 13.21 14.01 0.00 12.58 AA-Ko-Po 49546.1798 13.21 14.03 0.00 12.57 AA-Ko-Po 49546.1841 13.22 14.02 0.00 12.62 AA-Ko-Po 49547.3129 13.15 13.99 0.00 12.52 AA-Ko-Po 49547.3248 13.15 14.00 0.00 12.54 AA-Ko-Po 49547.3321 13.16 14.00 0.00 12.55 AA-Ko-Po 49549.3204 13.17 14.03 0.00 12.55 AA-Ko-Po 49549.3601 13.14 13.70 13.12 12.35 AA-Ko-Po 49549.3672 13.12 13.67 13.06 12.33 AA-Ko-Po 49549.3717 13.12 13.66 12.96 12.32 AA-Ko-Po 49549.3770 13.13 13.66 13.17 12.31 AA-Ko-Po 49553.3768 13.15 13.77 13.87 12.37 AA-Ko-G 49553.3779 13.15 13.77 13.54 12.34 AA-Ko-G 49553.3884 13.14 13.86 13.77 12.34 AA-Ko-G 49599.3455 13.07 13.76 14.11 12.46 AA-Na-G 49599.3592 12.98 13.68 14.02 12.48 AA-Na-G 49621.2381 0.00 13.78 0.00 12.50 AA-Na-G 49621.2156 0.00 13.77 0.00 12.51 AA-Na-G 49621.2571 0.00 13.78 0.00 12.49 AA-Na-G 49621.2636 0.00 13.78 0.00 12.51 AA-Na-G 49621.2727 0.00 13.78 0.00 12.49 AA-Na-G 49621.2778 0.00 13.80 0.00 12.51 AA-Na-G 49621.2819 0.00 13.75 0.00 12.50 AA-Na-G 49621.2911 0.00 13.76 0.00 12.48 AA-Na-G 49621.3646 0.00 13.76 0.00 12.50 AA-Na-G 49621.3741 0.00 13.78 0.00 12.50 AA-Na-G 49621.3987 0.00 13.75 0.00 12.48 AA-Na-G 49622.3739 0.00 13.77 0.00 12.48 AA-Na-G 49622.3809 0.00 13.79 0.00 12.48 AA-Na-G 49636.1959 12.63 13.90 14.47 12.52 AA-Ko-G 49636.2068 12.65 13.89 14.42 12.54 AA-Ko-G 49720.0636 13.26 14.19 14.98 12.69 AA-Ko-Po 49720.0732 13.25 14.21 14.27 12.70 AA-Ko-Po 49720.0788 13.24 14.17 0.00 12.68 AA-Ko-Po 49720.0869 13.24 14.22 14.61 12.69 AA-Ko-Po 49720.0921 13.22 14.13 14.47 12.65 AA-Ko-Po 49720.0998 13.24 14.18 14.60 12.69 AA-Ko-Po 49721.1435 13.23 14.22 14.38 12.71 AA-Ko-Po 49721.1492 13.22 14.17 14.55 12.68 AA-Ko-Po 49721.1548 13.22 14.19 14.53 12.67 AA-Ko-Po 49721.1613 13.20 14.17 14.53 12.67 AA-Ko-Po 49722.0689 13.20 14.19 14.62 12.68 AA-Ko-Po 49722.0751 13.23 14.18 14.46 12.69 AA-Ko-Po 49722.0886 13.21 14.19 14.58 12.69 AA-Ko-Po 49722.0950 13.20 14.18 14.53 12.67 AA-Ko-Po 49723.0935 13.21 14.18 14.50 12.67 AA-Ko-Po 49723.0991 13.22 14.16 14.46 12.65 AA-Ko-Po 49727.0690 13.22 14.16 14.55 12.67 AA-Ko-Po 49727.0773 13.20 14.17 14.53 12.68 AA-Ko-Po 49727.0850 13.23 14.20 14.57 12.68 AA-Ko-Po 49738.1013 13.23 14.19 14.50 12.70 AA-Ko-Po 49738.1076 13.24 14.19 14.35 12.70 AA-Ko-Po 49738.1133 13.26 14.23 14.95 12.67 AA-Ko-Po 49740.0637 13.22 14.22 14.56 12.72 AA-Ko-Po 49740.0701 13.22 14.21 14.52 12.72 AA-Ko-Po 49740.0767 13.21 14.23 14.53 12.71 AA-Ko-Po 49740.0983 13.23 14.25 14.75 12.72 AA-Ko-Po 49740.1038 13.22 14.23 14.81 12.73 AA-Ko-Po 49741.0931 13.18 14.26 0.00 12.71 AA-Ko-Po 49741.0989 13.26 14.26 0.00 12.71 AA-Ko-Po 49741.1053 13.25 14.25 0.00 12.72 AA-Ko-Po 49741.1179 13.24 14.24 0.00 12.69 AA-Ko-Po 49741.1235 13.21 14.24 14.58 12.70 AA-Ko-Po 49742.0961 13.23 14.21 14.64 12.71 AA-Ko-Po 49742.1016 13.24 14.20 14.66 12.70 AA-Ko-Po 49748.0914 13.28 14.26 14.66 12.75 AA-Ko-Po 49750.0970 13.24 14.25 14.71 12.74 AA-Ko-Po 49750.1029 13.23 14.25 14.67 12.74 AA-Ko-Po 49750.1084 13.23 14.25 14.66 12.72 AA-Ko-Po 49772.1035 13.36 14.30 14.79 12.82 AA-Ko-Po 49772.1094 13.22 14.19 14.54 12.79 AA-Ko-Po 49772.1147 13.18 14.19 14.68 12.83 AA-Ko-Po 49804.1491 0.00 0.00 0.00 12.90 AA-Ko-G 49804.1499 13.43 14.20 0.00 12.87 AA-Ko-G 49804.1500 13.55 14.26 0.00 12.88 AA-Ko-G 49944.3265 13.68 14.86 15.40 13.14 AA-Ko-Po 49944.3308 13.70 14.81 15.59 13.15 AA-Ko-Po 49944.3350 13.73 14.89 15.42 13.12 AA-Ko-Po 49954.4111 13.36 13.74 0.00 0.00 Mo-ShV-G 49954.4164 13.38 13.77 0.00 0.00 Mo-ShV-G 49960.3124 13.72 14.78 15.37 13.20 AA-Ko-Po 49960.3177 13.72 14.75 15.04 13.18 AA-Ko-Po 49960.3247 13.60 14.70 15.17 13.13 AA-Ko-Po 49977.4219 13.31 13.96 0.00 0.00 Mo-ShV-G 49977.4282 13.26 13.88 0.00 0.00 Mo-ShV-G 49977.4350 0.00 0.00 15.29 0.00 Mo-ShV-G 49977.4391 0.00 0.00 15.08 0.00 Mo-ShV-G 49987.3735 13.22 13.85 0.00 0.00 Mo-ShV-G 49996.2793 13.36 13.89 0.00 0.00 Mo-ShV-G 49996.2865 13.34 13.91 0.00 0.00 Mo-ShV-G 49996.2936 0.00 0.00 15.15 0.00 Mo-ShV-G 49996.2968 0.00 0.00 15.20 0.00 Mo-ShV-G 49998.3205 13.40 13.93 0.00 0.00 Mo-ShV-G 49998.3234 13.38 13.92 0.00 0.00 Mo-ShV-G 50005.3534 13.76 14.46 15.34 13.15 AA-Ko-G,Ka 50005.3582 13.79 14.45 15.13 13.16 AA-Ko-G,Ka 50006.4016 13.91 14.55 15.12 13.21 AA-Ko-G,Ka 50006.4144 13.80 14.48 15.10 13.15 AA-Ko-G,Ka 50009.3011 13.76 14.50 15.11 13.17 AA-Ko-G,Ka 50009.3092 13.75 14.45 15.03 13.15 AA-Ko-G,Ka 50012.3199 13.85 14.59 15.22 13.24 AA-Ko-G,Ka 50012.3276 13.85 14.58 15.17 13.24 AA-Ko-G,Ka 50014.2830 13.88 14.57 15.18 13.25 AA-Ko-G,Ka 50014.2904 13.85 14.58 15.15 13.22 AA-Ko-G,Ka 50020.2896 13.85 14.54 15.25 13.23 AA-Ko-G,Ka 50020.2978 13.84 14.56 15.20 13.24 AA-Ko-G,Ka 50022.2708 13.87 14.57 15.13 13.25 AA-Ko-G,Ka 50022.2757 13.85 14.55 15.17 13.23 AA-Ko-G,Ka 50042.2438 13.90 14.63 15.16 13.29 AA-Ko-Q 50042.2527 13.88 14.61 15.38 13.30 AA-Ko-Q 50042.2598 13.85 14.61 15.26 13.25 AA-Ko-Q 50043.2070 14.01 14.76 15.40 13.39 AA-Ko-Q 50043.2148 13.88 14.64 15.25 13.27 AA-Ko-Q 50043.2219 13.92 14.65 15.22 13.30 AA-Ko-Q 50044.2303 14.14 14.89 15.45 0.00 AA-Ko-Q 50044.2361 13.92 14.62 15.16 13.26 AA-Ko-Q 50044.2451 13.90 14.66 15.21 13.28 AA-Ko-Q 50044.2495 13.89 14.65 15.13 13.27 AA-Ko-Q 50071.1855 13.32 14.08 0.00 0.00 Mo-ShV-G,Ka 50071.2007 13.30 13.96 0.00 0.00 Mo-ShV-G,Ka 50079.1572 13.30 14.13 0.00 0.00 Mo-ShV-G,Ka 50079.1713 13.32 14.12 0.00 0.00 Mo-ShV-G,Ka 50079.1827 0.00 0.00 15.12 0.00 Mo-ShV-G,Ka 50079.1920 0.00 0.00 15.00 0.00 Mo-ShV-G,Ka 50097.1609 13.36 14.18 0.00 0.00 Mo-ShV-G,Ka 50097.1726 13.36 14.19 0.00 0.00 Mo-ShV-G,Ka 50097.1819 0.00 0.00 15.12 0.00 Mo-ShV-G,Ka 50097.1881 0.00 0.00 15.15 0.00 Mo-ShV-G,Ka 50121.1818 13.39 14.17 0.00 0.00 Mo-ShV-G,Ka 50124.1866 13.40 14.19 0.00 0.00 Mo-ShV-G,Ka 50124.1961 13.36 14.21 0.00 0.00 Mo-ShV-G,Ka 50142.2008 13.51 14.19 14.95 0.00 Mo-ShV-Ka,G 50158.2782 13.44 0.00 0.00 0.00 Mo-ShV-Ka,G 50158.2857 13.51 0.00 0.00 0.00 Mo-ShV-Ka,G 50165.2422 13.59 14.18 0.00 0.00 Mo-ShV-Ka,G 50166.5098 13.65 14.03 0.00 0.00 Mo-ShV-Ka,G 50166.5197 13.56 14.13 0.00 0.00 Mo-ShV-Ka,G 50202.3958 14.27 14.94 15.55 13.58 AA-Ko-G,Po,Kru 50212.3930 14.28 14.88 15.24 13.56 AA-Ko-G,Po 50212.4000 14.26 14.95 15.91 13.52 AA-Ko-G,Po 50222.3651 14.31 14.95 15.55 13.57 AA-Ko-G 50222.3727 14.32 14.97 15.63 13.59 AA-Ko-G Observatories: AA- Tien-Shan High-Altitude Observatory, Alma-Ata, Kazakhstan; 1-m and 0.48-m reflectors. Mo- Sternberg Astronomical Institute, Moscow, Russia; 0.7-m reflector. Devices: Ko- 4-channell WBVR photometer by Kornilov and Krylov; Na- 1-channell WBVR photometer NADIR; ShV-1-channell UBV photometer by Shugarov and Volkov. Observers: G-Goranskij V.P.; Ka-Karitskaya E.A.; Kru-Krutiakov A.N.; Po-Pogrosheva T.N.; Q-Kusakin A.V.
V.P.Goranskij (Sternberg Astron. Institute).
Fading of V705 Cas, more info.