CW Cas (Eclipsing binary)

RA: 00h 45m 52.71s, DE: +63° 05' 08.40" (11.4696250000, 63.0856666663)

AsasSnV: ASASSN-V J004552.48+630508.5, Gaia: Gaia DR3 523846239000492928, Gcvs: CW Cas, Nsvs: NSVS 1635537, Tic: TIC 421110675, TwoMass: 2MASS J00455269+6305084, Tyc: TYC 4020-1743-1, Other: AN 424.1937, Other: IOMC 4020000079, Other: SVS 827

1/23/2023, 18:38 - 1/24/2023, 01:46 (UTC)

Data:

  • Observer: Matúš Kamenec
  • Created: 3/18/2023, 12:29 UTC
  • Station: Kolonica
  • Instrument: SkyWatcher Newton 200/1200
  • Photometric band: Clear
  • Time standard: GJD
  • Brightness in: Mag
  • Magnitude type: Relative (V−C)
Note:
#Observatory>Kolonica
#Observer>Matus Kamenec
#Telescope>SkyWatcher 200/1200 EQ6
#Instrument>Canon EOS 500D
#Filter>Clear
#Exposure>30s ISO 800
#Target>CW Cas
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>

----- EBFit result: -----
TminGJD = 2459968.30898
Error (1 sigma): +0.00013/-0.00013 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI):  +0.00023/-0.00025 (Bootstrapping), +0.00007/-0.00007 (Prayer bead)
LSM: chi^2 = 1711.4, n_freedom = 89
Determined minima
  • P: 2459968.308940 (1/23/2023, 19:24 UTC)
    HJDmin: 2459968.309610 +/- 0.000120  
    Heliocentric correction: 0.000670
    Note:
    #Observatory>Kolonica
    #Observer>Matus Kamenec
    #Telescope>SkyWatcher 200/1200 EQ6
    #Instrument>Canon EOS 500D
    #Filter>Clear
    #Exposure>30s ISO 800
    #Target>CW Cas
    #Position>
    #MainComp>
    #Source>
    #Magnitude system>
    #Time system>JD geocentric
    #Reduction>Muniwin
    #Comment>
    
    ----- EBFit result: -----
    Tmin = 2459968.30894
    Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00004/-0.00005 (Prayer bead), +0.00003/-0.00003 (LSM)
    Error (95% CI):  +0.00022/-0.00025 (Bootstrapping), +0.00008/-0.00011 (Prayer bead)
    LSM: chi^2 = 1242.5, n_freedom = 79
    
  • S: 2459968.470200 (1/23/2023, 23:17 UTC)
    HJDmin: 2459968.470860 +/- 0.000230  
    Heliocentric correction: 0.000660
    Note:
    #Observatory>Kolonica
    #Observer>Matus Kamenec
    #Telescope>SkyWatcher 200/1200 EQ6
    #Instrument>Canon EOS 500D
    #Filter>Clear
    #Exposure>30s ISO 800
    #Target>CW Cas
    #Position>
    #MainComp>
    #Source>
    #Magnitude system>
    #Time system>JD geocentric
    #Reduction>Muniwin
    #Comment>
    
    ----- EBFit result: -----
    Tmin = 2459968.47020
    Error (1 sigma): +0.00022/-0.00024 (Bootstrapping), +0.00012/-0.00010 (Prayer bead), +0.00004/-0.00004 (LSM)
    Error (95% CI):  +0.00044/-0.00049 (Bootstrapping), +0.00018/-0.00015 (Prayer bead)
    LSM: chi^2 = 2682.6, n_freedom = 97
    
Actions:

Light curve
Field identification - Star field chart
Field identification - Explicitly named stars

No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.

Comments