II UMa (Eclipsing binary)

RA: 12h 32m 54.86s, DE: +54° 47' 42.90" (188.2285833283, 54.7952499997)

Data:
  • Constellation: UMa
  • Variability type: EW
  • Maximal brightness (Mag): 8.167 (V)
  • Minimum brightness (Mag): 8.476 (V)
  • Brightness in secondary minimum (Mag): 8.476 (V)
  • Created: 7/27/1997
  • Created by: admin
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Periodic elements:
  • Period (d): 0.825227000000000
  • Epoch (HJD): 48500.08300
  • Secondary Epoch (HJD): 48500.49500
Chart
II UMa
Source: The STScI Digitized Sky Survey
Number of observations

47 x

Number of observers

7 x

Last observed before

721 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2448500.083 + 0.825227 * E
S: M = 2448500.495 + 0.825227 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline