ZTF J202146.70+364614.3 (Eclipsing binary)

RA: 20h 21m 46.70s, DE: +36° 46' 14.27" (305.4445907197, 36.7706319424)

Gaia: Gaia DR3 2057558513281582848, TwoMass: 2MASS J20214670+3646143, Ucac4: UCAC4 634-093139, Ztf: ZTF J202146.70+364614.3

Data:
  • Constellation: Cyg
  • Variability type: EW
  • Maximal brightness (Mag): 13.785 (V)
  • Minimum brightness (Mag): 13.865 (V)
  • Created: 7/11/2026
  • Created by: Martin Magris
Show list of observations >>
Periodic elements:
  • Period (d): 0.486624800000000
  • Epoch (HJD): 2458425.60970
  • Secondary Epoch (HJD): 2458425.8530124 (est.)
Chart
ZTF J202146.70+364614.3
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

1 x

Number of observers

1 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2458425.6097 + 0.4866248 * E
S: M = 2458425.8530124 + 0.4866248 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline