V388 Cyg (Eclipsing binary)

RA: 20h 29m 12.88s, DE: +31° 23' 12.00" (307.3036666617, 31.3866666663)

Tic: TIC 408213143, Gsc: GSC 02685-00451, Hd: HD 332329, Tyc: TYC 2685-451-1, Gcvs: V388 Cyg, TwoMass: 2MASS J20291287+3123120, Gaia: Gaia DR3 1861874821120509056

Data:
  • Constellation: Cyg
  • Variability type: EB/KE,NCB
  • Maximal brightness (Mag): 8.900 (V)
  • Minimum brightness (Mag): 9.550 (V)
  • Brightness in secondary minimum (Mag): 9.150 (V)
  • Astrophysical interest: Period decreasing
  • Created: 6/1/1996
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.859032500000000
  • Epoch (HJD): 41953.30500
  • Secondary Epoch (HJD): 41953.73400
Change log:

1/16/2026, Filip Walter:

  • Name: V0388 → V388 Cyg
  • Alternative designation: → Tic: TIC 408213143, Gsc: GSC 02685-00451, Hd: HD 332329, Tyc: TYC 2685-451-1, Gcvs: V388 Cyg, TwoMass: 2MASS J20291287+3123120, Gaia: Gaia DR3 1861874821120509056
  • Variability type: EB → EB/KE,NCB
  • Astrophysical interest: Nothing → Period decreasing

Chart
V388 Cyg
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

30 x

Number of observers

11 x

Last observed before

20 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2441953.305 + 0.8590325 * E
S: M = 2441953.734 + 0.8590325 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline