DQ Her (Eclipsing binary)

RA: 18h 07m 30.19s, DE: +45° 51' 32.00" (271.8757916567, 45.8588888889)

Data:
  • Constellation: Her
  • Variability type: EA+N
  • Maximal brightness (Mag): 13.000 (V)
  • Minimum brightness (Mag): 18.080 (V)
  • Brightness in secondary minimum (Mag): 13.000 (V)
  • Astrophysical interest: Unique
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.193620800000000
  • Epoch (JD): 27794.07000
  • Secondary Epoch (JD): 27794.1668104 (est.)
Change log:

6/25/2025, Filip Walter:

  • Astrophysical interest: Nothing → Unique

6/10/2025, Filip Walter:

  • Epoch: 27794.26362 → 27794.07
  • Period: 0.38724176 → 0.1936208
  • Epoch: 27794.07 → 27794.26362088
  • Period: 0.19362088 → 0.38724176

Chart
DQ Her
Source: The STScI Digitized Sky Survey
Number of observations

8 x

Number of observers

3 x

Last observed before

188 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2427794.07 + 0.1936208 * E
S: M = 2427794.1668104 + 0.1936208 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline