CM Dra (Eclipsing binary, Intrinsic variable, Eruptive variable)
RA: 16h 34m 20.33s, DE: +57° 09' 44.39" (248.5847100000, 57.1623300000)
9/28/2012, 18:06 - 9/28/2012, 21:31 (UTC)
- Observer: Pavol A. Dubovsky
- Created: 9/29/2012, 13:58
- Updated by: Filip Walter
- Updated: 8/24/2026, 21:36
- Station: AO Kolonica
- Instrument: VNT RL 1000/9000
- Photometric band: R
- Time standard: Gjd
- Brightness in: Mag
Note:
CCD+R; exp 30s <a href="http://www.astrokolonica.sk/joomla15/index.php/instruments/vnt.html">VNT</a> 1000/9000 + <a href="http://www.astrokolonica.sk/joomla15/index.php/instruments/detektory/105-fli.html">FLI PL1001E</a> in Cassegrain focus + <a href="http://www.astrokolonica.sk/joomla15/index.php/observers/110-dpv.html">DPV</a> Ensamble photometry with C-Munipack and MCV, mean comparison = GSC 3881-1076 V=13.96 B-V=0.29 (NOMAD), check#3 on the chart JD geocentric, V-C magnitudes ----- EBFit result: ----- TminGJD = 2456199.34412 Error (1 sigma): +0.00003/-0.00003 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00015/-0.00015 (LSM) Error (95% CI): +0.00006/-0.00007 (Bootstrapping), +0.00005/-0.00006 (Prayer bead) LSM: chi^2 = 4.7, n_freedom = 110
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No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.