CzeV170 (Eclipsing binary)

RA: 19h 20m 25.53s, DE: +34° 47' 43.09" (290.1063624950, 34.7953027774)

CzeV: CzeV170, Other: FLvar9, UsnoA: USNO-A2.0 1200-1201955, Gsc: GSC2.3 N2GF000225, Ucac4: UCAC4 624-068720

Data:

  • Constellation: Lyr
  • Variability type: EW
  • Maximal brightness (Mag): 12.240 (V)
  • Astrophysical interest: Wrong main epoch
  • Created: 7/30/2014
  • Created by: admin
Periodic elements:

  • Period (d): 0.474467200000000
  • Epoch (HJD): 2457646.33900
  • Secondary Epoch (HJD): 2457646.5762336 (est.)
Additional data:

  • Discoverer: František Lomoz
  • Discovery year: 2008
  • Note:
    http://var2.astro.cz/obslog_detail.php?id=1214632967&lang=cz
Change log:

2/27/2025, Filip Walter:

  • Astrophysical interest: Nothing → Wrong main epoch

2/26/2025, Filip Walter:

  • Period: 0.382755 → 0.4744672

Chart
CzeV170
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

9 x

Number of observers

5 x

Last observed before

147 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2457646.339 + 0.4744672 * E
S: M = 2457646.5762336 + 0.4744672 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline