VSX J200417.1+525750 (Eclipsing binary)

RA: 20h 04m 17.15s, DE: +52° 57' 50.40" (301.0714600000, 52.9640000000)

AsasSnV: ASASSN-V J200416.98+525749.5, Gsc: GSC 03936-01026, TwoMass: 2MASS J20041714+5257504, UsnoB: USNO-B1.0 1429-0389134, Vsx: VSX J200417.1+525750

Data:
  • Constellation: Cyg
  • Variability type: EW
  • Maximal brightness (Mag): 14.550 (CR)
  • Minimum brightness (Mag): 14.950 (CR)
  • Astrophysical interest: Wrong period, Wrong main epoch
  • Created by: admin
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Periodic elements:
  • Period (d): 0.345000000000000
  • Epoch (HJD): 2455750.57400
  • Secondary Epoch (HJD): 2455750.7465 (est.)
Change log:

9/2/2026, Filip Walter:

  • Astrophysical interest: Nothing → Wrong period, Wrong main epoch
  • Epoch: Null → 2455750.574
  • Period: Null → 0.345
  • Variability type: Null → EW
  • Photometric band: Null → CR
  • Minimum brightness: Null → 14.95
  • Maximal brightness: Null → 14.55
  • Declination: 52.9639805556 → 52.964
  • Right ascension: 301.0714166567 → 301.07146
  • Constellation: → Cyg
  • CI: Vsx: Null → VSX J200417.1+525750
  • CI: UsnoB: Null → USNO-B1.0 1429-0389134
  • CI: TwoMass: Null → 2MASS J20041714+5257504
  • CI: Gsc: Null → GSC 03936-01026
  • CI: AsasSnV: Null → ASASSN-V J200416.98+525749.5

Chart
VSX J200417.1+525750
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

1 x

Number of observers

1 x

Last observed before

3344 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2455750.574 + 0.345 * E
S: M = 2455750.7465 + 0.345 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline