CzeV685 (Eclipsing binary)

RA: 02h 42m 27.26s, DE: +56° 41' 22.47" (40.6135833333, 56.6895749997)

CzeV: CzeV685, Gsc: GSC 03708-01042, Ucac4: UCAC4 734-027244, Gaia: Gaia DR3 454808453648254080

Data:

  • Constellation: Per
  • Variability type: EB
  • Maximal brightness (Mag): 11.230 (V)
  • Minimum brightness (Mag): 11.330 (V)
  • Brightness in secondary minimum (Mag): 11.260 (V)
  • Astrophysical interest: Wrong main epoch
  • Created: 7/24/2015
  • Created by: Martin Mašek
Periodic elements:

  • Period (d): 0.506384100000000
  • Epoch (HJD): 2454420.16890
  • Secondary Epoch (HJD): 2454420.42209205 (est.)
Additional data:

  • Discoverer: Martin Mašek, Martin Jelínek
  • Discovery year: 2014
Change log:

9/15/2026, Filip Walter:

  • Astrophysical interest: Wrong period → Wrong main epoch
  • Period: 0.506252 → 0.5063841
  • CI: Gaia: Null → Gaia DR3 454808453648254080

10/3/2025, Filip Walter:

  • Astrophysical interest: Nothing → Wrong period

Chart
CzeV685
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

14 x

Number of observers

6 x

Last observed before

16 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454420.1689 + 0.5063841 * E
S: M = 2454420.42209205 + 0.5063841 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline