BW Dra (Eclipsing binary)

RA: 15h 11m 50.11s, DE: +61° 51' 41.30" (227.9587916617, 61.8614722222)

6/17/2009, 20:16 - 6/17/2009, 21:23 (UTC)

Data:

  • Observer: Ladislav Šmelcer
  • Created: 6/19/2009, 10:13
  • Station: Hvězdárna Valašské Meziříčí
  • Instrument: Celestron 280/1765 + CCD ST7
  • Photometric band: V
  • Time standard: Gjd
  • Brightness in: Mag
Note:
předpověď primárního minima JDg=2455000.4500 - 22h48m UT (podle Mo=42572.538  per.=0.2921671 dne) 
předpověď podle Ondřejova - 55000.37344 - 20h57m UT (podle 42572.538  per.=0.2921653) - minimum nastalo o 9 minut dříve
Determined minima
  • P: 2455000.36660 (6/17/2009, 20:47)
    HJDmin: 2455000.36656 +/- 0.00020  
    Heliocentric correction: -0.00004
  • P: 2455000.36680 (6/17/2009, 20:48)
    HJDmin: 2455000.36676 +/- 0.00040  
    Heliocentric correction: -0.00004
  • P: 2455000.36630 (6/17/2009, 20:47)
    HJDmin: 2455000.36626 +/- 0.00050  
    Heliocentric correction: -0.00004
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments