ZTF J202049.33+591451.9 (Eclipsing binary)

RA: 20h 20m 49.33s, DE: +59° 14' 52.26" (305.2055416667, 59.2478500000)

UsnoB: USNO-B1.0 1492-0279822, Ucac4: 747-061650, Gaia: DR3 2188582091275886464, TwoMass: J20204933+5914519

Data:
  • Constellation: Cyg
  • Variability type: EW
  • Maximal brightness (Mag): 16.620
  • Created: 9/21/2025
  • Created by: Vojtěch Školník
Show list of observations >>
Periodic elements:
  • Period (d): 0.395360600000000
  • Epoch (HJD): 2460939.37100
  • Secondary Epoch (HJD): 2460939.5686803 (est.)
Change log:

9/22/2025, Filip Walter:

  • Epoch: Null → 2460939.371

Chart
ZTF J202049.33+591451.9
Source: The STScI Digitized Sky Survey
Number of observations

1 x

Number of observers

1 x

Last observed before

192 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2460939.371 + 0.3953606 * E
S: M = 2460939.5686803 + 0.3953606 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline