V0442 Cyg (Eclipsing binary)

RA: 20h 27m 52.30s, DE: +30° 47' 28.40" (306.9679166667, 30.7912222219)

Tic: TIC 199420503, Gsc: GSC 02685-01903, Hd: HD 334426, Tyc: TYC 2685-1903-1, Gcvs: V442 Cyg, TwoMass: 2MASS J20275230+3047283, Gaia: Gaia DR3 1861738069358924672

Data:

  • Constellation: Cyg
  • Variability type: EA
  • Maximal brightness (Mag): 10.000 (P)
  • Minimum brightness (Mag): 10.400 (P)
  • Brightness in secondary minimum (Mag): 10.490 (P)
  • Astrophysical interest: Excentric orbit of the binary
  • Created: 6/1/1996
  • Created by: admin
Periodic elements:

  • Period (d): 2.385945400000000
  • Epoch (HJD): 44919.55600
  • Secondary Epoch (HJD): 44920.74900
Change log:

1/21/2026, Filip Walter:

  • Astrophysical interest: Nothing → Excentric orbit of the binary
  • Alternative designation: → Tic: TIC 199420503, Gsc: GSC 02685-01903, Hd: HD 334426, Tyc: TYC 2685-1903-1, Gcvs: V442 Cyg, TwoMass: 2MASS J20275230+3047283, Gaia: Gaia DR3 1861738069358924672

Number of observations

4 x

Number of observers

3 x

Last observed before

1293 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2444919.556 + 2.3859454 * E
S: M = 2444920.749 + 2.3859454 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline