AK Her (Eclipsing binary)

RA: 17h 13m 57.82s, DE: +16° 21' 00.60" (258.4909166567, 16.3501666667)

Data:
  • Constellation: Her
  • Variability type: EW
  • Maximal brightness (Mag): 8.290 (V)
  • Minimum brightness (Mag): 8.770 (V)
  • Brightness in secondary minimum (Mag): 8.640 (V)
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.421522500000000
  • Epoch (HJD): 42186.46000
  • Secondary Epoch (HJD): 42186.67100
Chart
AK Her
Source: The STScI Digitized Sky Survey
Number of observations

38 x

Number of observers

10 x

Last observed before

939 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2442186.46 + 0.4215225 * E
S: M = 2442186.671 + 0.4215225 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline