[vsnet-ecl 10666] V638 And observations by H.Itoh (1/Jan/2025)

23 Apr 2025


      object         YYMMDD(UT)         mag      code
ANDV638        20250101.37010    12.215B  Ioh.VSOLJ
ANDV638        20250101.37163    12.209B  Ioh.VSOLJ
ANDV638        20250101.37315    12.214B  Ioh.VSOLJ
ANDV638        20250101.37468    12.197B  Ioh.VSOLJ
ANDV638        20250101.37774    12.204B  Ioh.VSOLJ
ANDV638        20250101.37926    12.177B  Ioh.VSOLJ
ANDV638        20250101.38079    12.198B  Ioh.VSOLJ
ANDV638        20250101.38233    12.198B  Ioh.VSOLJ
ANDV638        20250101.38387    12.192B  Ioh.VSOLJ
ANDV638        20250101.38538    12.163B  Ioh.VSOLJ
ANDV638        20250101.38691    12.188B  Ioh.VSOLJ
ANDV638        20250101.38845    12.176B  Ioh.VSOLJ
ANDV638        20250101.39302    12.144B  Ioh.VSOLJ
ANDV638        20250101.39456    12.157B  Ioh.VSOLJ
ANDV638        20250101.39609    12.159B  Ioh.VSOLJ
ANDV638        20250101.39762    12.144B  Ioh.VSOLJ
ANDV638        20250101.39913    12.147B  Ioh.VSOLJ
ANDV638        20250101.40066    12.171B  Ioh.VSOLJ
ANDV638        20250101.40221    12.188B  Ioh.VSOLJ
ANDV638        20250101.40373    12.168B  Ioh.VSOLJ
ANDV638        20250101.40525    12.162B  Ioh.VSOLJ
ANDV638        20250101.40679    12.165B  Ioh.VSOLJ
ANDV638        20250101.40832    12.172B  Ioh.VSOLJ
ANDV638        20250101.40984    12.188B  Ioh.VSOLJ
ANDV638        20250101.41137    12.174B  Ioh.VSOLJ
ANDV638        20250101.41292    12.182B  Ioh.VSOLJ
ANDV638        20250101.41444    12.182B  Ioh.VSOLJ
ANDV638        20250101.41749    12.165B  Ioh.VSOLJ
ANDV638        20250101.41903    12.190B  Ioh.VSOLJ
ANDV638        20250101.42207    12.201B  Ioh.VSOLJ
ANDV638        20250101.42362    12.184B  Ioh.VSOLJ
ANDV638        20250101.42515    12.202B  Ioh.VSOLJ
ANDV638        20250101.42668    12.201B  Ioh.VSOLJ
ANDV638        20250101.42972    12.202B  Ioh.VSOLJ
ANDV638        20250101.43126    12.218B  Ioh.VSOLJ
ANDV638        20250101.43279    12.237B  Ioh.VSOLJ
ANDV638        20250101.43431    12.243B  Ioh.VSOLJ
ANDV638        20250101.43583    12.241B  Ioh.VSOLJ
ANDV638        20250101.43737    12.236B  Ioh.VSOLJ
ANDV638        20250101.43890    12.259B  Ioh.VSOLJ
ANDV638        20250101.44043    12.269B  Ioh.VSOLJ
ANDV638        20250101.44194    12.258B  Ioh.VSOLJ
ANDV638        20250101.44347    12.289B  Ioh.VSOLJ
ANDV638        20250101.44501    12.306B  Ioh.VSOLJ
ANDV638        20250101.44654    12.319B  Ioh.VSOLJ
ANDV638        20250101.44807    12.324B  Ioh.VSOLJ
ANDV638        20250101.45266    12.342B  Ioh.VSOLJ
ANDV638        20250101.45418    12.365B  Ioh.VSOLJ
ANDV638        20250101.45859    12.388B  Ioh.VSOLJ
ANDV638        20250101.46012    12.430B  Ioh.VSOLJ
ANDV638        20250101.46163    12.448B  Ioh.VSOLJ
ANDV638        20250101.46316    12.438B  Ioh.VSOLJ
ANDV638        20250101.46470    12.443B  Ioh.VSOLJ
ANDV638        20250101.46623    12.457B  Ioh.VSOLJ
ANDV638        20250101.46774    12.451B  Ioh.VSOLJ
ANDV638        20250101.46927    12.489B  Ioh.VSOLJ
ANDV638        20250101.47082    12.477B  Ioh.VSOLJ
ANDV638        20250101.47235    12.486B  Ioh.VSOLJ
ANDV638        20250101.47387    12.484B  Ioh.VSOLJ
ANDV638        20250101.47539    12.485B  Ioh.VSOLJ
ANDV638        20250101.47693    12.526B  Ioh.VSOLJ
ANDV638        20250101.47846    12.505B  Ioh.VSOLJ
ANDV638        20250101.47998    12.505B  Ioh.VSOLJ
ANDV638        20250101.48150    12.503B  Ioh.VSOLJ
ANDV638        20250101.48457    12.501B  Ioh.VSOLJ
ANDV638        20250101.48610    12.503B  Ioh.VSOLJ
ANDV638        20250101.48764    12.504B  Ioh.VSOLJ
ANDV638        20250101.48917    12.514B  Ioh.VSOLJ
ANDV638        20250101.49222    12.467B  Ioh.VSOLJ
ANDV638        20250101.49376    12.466B  Ioh.VSOLJ
ANDV638        20250101.49529    12.455B  Ioh.VSOLJ
ANDV638        20250101.49681    12.446B  Ioh.VSOLJ
ANDV638        20250101.49833    12.441B  Ioh.VSOLJ
ANDV638        20250101.49987    12.422B  Ioh.VSOLJ
ANDV638        20250101.50140    12.404B  Ioh.VSOLJ
ANDV638        20250101.50293    12.397B  Ioh.VSOLJ
ANDV638        20250101.50444    12.387B  Ioh.VSOLJ
ANDV638        20250101.50597    12.408B  Ioh.VSOLJ
ANDV638        20250101.50752    12.369B  Ioh.VSOLJ
ANDV638        20250101.50904    12.321B  Ioh.VSOLJ
ANDV638        20250101.51057    12.329B  Ioh.VSOLJ
ANDV638        20250101.51211    12.305B  Ioh.VSOLJ
ANDV638        20250101.51363    12.310B  Ioh.VSOLJ
ANDV638        20250101.36935    11.526V  Ioh.VSOLJ
ANDV638        20250101.37087    11.502V  Ioh.VSOLJ
ANDV638        20250101.37240    11.503V  Ioh.VSOLJ
ANDV638        20250101.37547    11.481V  Ioh.VSOLJ
ANDV638        20250101.37699    11.482V  Ioh.VSOLJ
ANDV638        20250101.37852    11.487V  Ioh.VSOLJ
ANDV638        20250101.38159    11.479V  Ioh.VSOLJ
ANDV638        20250101.38310    11.462V  Ioh.VSOLJ
ANDV638        20250101.38463    11.454V  Ioh.VSOLJ
ANDV638        20250101.38617    11.450V  Ioh.VSOLJ
ANDV638        20250101.38770    11.463V  Ioh.VSOLJ
ANDV638        20250101.38922    11.450V  Ioh.VSOLJ
ANDV638        20250101.39229    11.453V  Ioh.VSOLJ
ANDV638        20250101.39382    11.459V  Ioh.VSOLJ
ANDV638        20250101.39534    11.460V  Ioh.VSOLJ
ANDV638        20250101.39686    11.439V  Ioh.VSOLJ
ANDV638        20250101.39840    11.440V  Ioh.VSOLJ
ANDV638        20250101.39993    11.446V  Ioh.VSOLJ
ANDV638        20250101.40145    11.439V  Ioh.VSOLJ
ANDV638        20250101.40297    11.449V  Ioh.VSOLJ
ANDV638        20250101.40451    11.447V  Ioh.VSOLJ
ANDV638        20250101.40605    11.445V  Ioh.VSOLJ
ANDV638        20250101.40757    11.455V  Ioh.VSOLJ
ANDV638        20250101.40910    11.449V  Ioh.VSOLJ
ANDV638        20250101.41064    11.471V  Ioh.VSOLJ
ANDV638        20250101.41216    11.470V  Ioh.VSOLJ
ANDV638        20250101.41369    11.471V  Ioh.VSOLJ
ANDV638        20250101.41676    11.461V  Ioh.VSOLJ
ANDV638        20250101.41829    11.463V  Ioh.VSOLJ
ANDV638        20250101.42133    11.483V  Ioh.VSOLJ
ANDV638        20250101.42287    11.491V  Ioh.VSOLJ
ANDV638        20250101.42440    11.504V  Ioh.VSOLJ
ANDV638        20250101.42591    11.506V  Ioh.VSOLJ
ANDV638        20250101.42899    11.505V  Ioh.VSOLJ
ANDV638        20250101.43204    11.513V  Ioh.VSOLJ
ANDV638        20250101.43358    11.528V  Ioh.VSOLJ
ANDV638        20250101.43510    11.538V  Ioh.VSOLJ
ANDV638        20250101.43663    11.551V  Ioh.VSOLJ
ANDV638        20250101.43815    11.556V  Ioh.VSOLJ
ANDV638        20250101.43968    11.556V  Ioh.VSOLJ
ANDV638        20250101.44122    11.573V  Ioh.VSOLJ
ANDV638        20250101.44274    11.567V  Ioh.VSOLJ
ANDV638        20250101.44426    11.582V  Ioh.VSOLJ
ANDV638        20250101.44579    11.593V  Ioh.VSOLJ
ANDV638        20250101.44734    11.607V  Ioh.VSOLJ
ANDV638        20250101.44887    11.622V  Ioh.VSOLJ
ANDV638        20250101.45191    11.643V  Ioh.VSOLJ
ANDV638        20250101.45345    11.656V  Ioh.VSOLJ
ANDV638        20250101.45936    11.687V  Ioh.VSOLJ
ANDV638        20250101.46090    11.709V  Ioh.VSOLJ
ANDV638        20250101.46243    11.715V  Ioh.VSOLJ
ANDV638        20250101.46395    11.747V  Ioh.VSOLJ
ANDV638        20250101.46547    11.752V  Ioh.VSOLJ
ANDV638        20250101.46701    11.769V  Ioh.VSOLJ
ANDV638        20250101.46854    11.772V  Ioh.VSOLJ
ANDV638        20250101.47007    11.781V  Ioh.VSOLJ
ANDV638        20250101.47159    11.783V  Ioh.VSOLJ
ANDV638        20250101.47311    11.785V  Ioh.VSOLJ
ANDV638        20250101.47466    11.797V  Ioh.VSOLJ
ANDV638        20250101.47618    11.809V  Ioh.VSOLJ
ANDV638        20250101.47771    11.806V  Ioh.VSOLJ
ANDV638        20250101.47925    11.818V  Ioh.VSOLJ
ANDV638        20250101.48078    11.820V  Ioh.VSOLJ
ANDV638        20250101.48230    11.813V  Ioh.VSOLJ
ANDV638        20250101.48383    11.810V  Ioh.VSOLJ
ANDV638        20250101.48537    11.808V  Ioh.VSOLJ
ANDV638        20250101.48690    11.795V  Ioh.VSOLJ
ANDV638        20250101.48841    11.798V  Ioh.VSOLJ
ANDV638        20250101.49148    11.784V  Ioh.VSOLJ
ANDV638        20250101.49301    11.788V  Ioh.VSOLJ
ANDV638        20250101.49454    11.758V  Ioh.VSOLJ
ANDV638        20250101.49608    11.743V  Ioh.VSOLJ
ANDV638        20250101.49760    11.726V  Ioh.VSOLJ
ANDV638        20250101.49913    11.725V  Ioh.VSOLJ
ANDV638        20250101.50065    11.719V  Ioh.VSOLJ
ANDV638        20250101.50218    11.694V  Ioh.VSOLJ
ANDV638        20250101.50372    11.688V  Ioh.VSOLJ
ANDV638        20250101.50524    11.680V  Ioh.VSOLJ
ANDV638        20250101.50676    11.674V  Ioh.VSOLJ
ANDV638        20250101.50831    11.660V  Ioh.VSOLJ
ANDV638        20250101.50984    11.636V  Ioh.VSOLJ
ANDV638        20250101.51137    11.629V  Ioh.VSOLJ
ANDV638        20250101.51288    11.633V  Ioh.VSOLJ

Comparison: APASS 350.017706 43.988995 V=10.201 B=10.799 (B-V=0.598)
Check: APASS 350.08113 44.090777 V=12.408 (B-V=0.537)
Observer: H. Itoh (Tokyo, Japan)
Instruments:20SC+ATIK383L+ (B,V filter) Temp -12 degree Celsius
Exposure: B:75sec,V:45sec
Imaging: MaxIm DL Ver.5 binning3*3
Photometry: Muniwin Ver.2.1.36,  Standard system VBA
Aperture radius B:5.3pixel, V:5.3pixel

minII ANDV638 2460676.9808 0.0006 Hel Ioh.VSOLJ n=83 B (calculated by Nagai)
minII ANDV638 2460676.9810 0.0002 Hel Ioh.VSOLJ n=83 V (calculated by Nagai)

V638 And JD(hel)=2460676.9808 C=2460676.9344 E=27955.5 O-C=+0.0464 B
V638 And JD(hel)=2460676.9810 C=2460676.9344 E=27955.5 O-C=+0.0466 V

min=2451375.86+0.33271xE (GCVS5.1 24-Nov-2024)


             - 01/Jan/2025 V638 And (By H.Itoh) -
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   08         09         10         11         12         13  (UT)

K.Nagai

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