CM Dra (Eclipsing binary, Intrinsic variable, Eruptive variable)
RA: 16h 34m 20.33s, DE: +57° 09' 44.39" (248.5847100000, 57.1623300000)
8/31/2017, 18:16 - 8/31/2017, 20:31 (UTC)
- Observer: Pavol A. Dubovsky
- Created: 9/6/2017, 04:18
- Updated by: Filip Walter
- Updated: 8/24/2026, 21:36
- Station: AO Kolonica
- Instrument: Celestron 14
- Photometric band: R
- Time standard: Gjd
- Brightness in: Mag
Note:
#Telescope>C14 356/3910 #CCD>MII G2-1600 #Observer>DPV #Filter>Clear #Exposure>30s #Target>CM Dra #Position>16 34 18.07 +57 10 05.2 #MainComp>16:33:55.63;+57:07:47.0;B=14.617,V=13.995,R=13.780,I=13.575 #Source>APASS #Time system>JD geocentric #Magnitude system>V-C #Reduction process>Ensemble photometry with CoLiTecVS and MCV #Note> with focal reducer 0.7; secondary minimum ----- EBFit result: ----- TminGJD = 2457997.28536 Error (1 sigma): +0.00005/-0.00005 (Bootstrapping), +0.00003/-0.00004 (Prayer bead), +0.00017/-0.00017 (LSM) Error (95% CI): +0.00009/-0.00009 (Bootstrapping), +0.00008/-0.00006 (Prayer bead) LSM: chi^2 = 5.9, n_freedom = 68
. . .
No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.