CM Dra (Eclipsing binary, Intrinsic variable, Eruptive variable)
RA: 16h 34m 20.33s, DE: +57° 09' 44.39" (248.5847100000, 57.1623300000)
7/2/2013, 22:46 - 7/3/2013, 00:19 (UTC)
- Observer: Pavol A. Dubovsky
- Created: 7/15/2013, 21:24
- 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:
CCD+R; exp 60s; C14; secondary minimum <a href="http://www.astrokolonica.sk/joomla15/index.php/sk/instruments/telescopes/294-c14.html">C14</a> 356/3910 + <a href="http://www.astrokolonica.sk/joomla15/index.php/sk/instruments/detektory/298-g2.html">MII G2-1600</a> + <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 = 2456476.48461 Error (1 sigma): +0.00003/-0.00003 (Bootstrapping), +0.00002/-0.00003 (Prayer bead), +0.00004/-0.00004 (LSM) Error (95% CI): +0.00006/-0.00007 (Bootstrapping), +0.00006/-0.00004 (Prayer bead) LSM: chi^2 = 42.1, n_freedom = 62
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No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.