QT Boo (Eclipsing binary)

RA: 15h 35m 10.99s, DE: +49° 47' 44.00" (233.7957916617, 49.7955555552)

Data:
  • Constellation: Boo
  • Variability type: EW
  • Maximal brightness (Mag): 11.650 (R)
  • Minimum brightness (Mag): 11.800 (R)
  • Brightness in secondary minimum (Mag): 11.750 (R)
  • Astrophysical interest: Possible period changes
  • Created: 3/28/2009
  • Created by: admin
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Periodic elements:
  • Period (d): 0.319064300000000
  • Epoch (HJD): 51402.53700
  • Secondary Epoch (HJD): 51402.69700
Change log:

12/8/2025, Filip Walter:

  • Astrophysical interest: Nothing → Possible period changes

Chart
QT Boo
Source: The STScI Digitized Sky Survey
Number of observations

29 x

Number of observers

8 x

Last observed before

5 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451402.537 + 0.3190643 * E
S: M = 2451402.697 + 0.3190643 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline