CzeV209 (Eclipsing binary)

RA: 18h 06m 47.01s, DE: +28° 27' 16.73" (271.6958958333, 28.4546472222)

CzeV: CzeV209, Other: KOCvar003, Gsc: GSC 02103-00181 / USNO-A2.0 1125-08983880, Ucac4: UCAC4 593-062722

Data:
  • Constellation: Her
  • Variability type: EB
  • Maximal brightness (Mag): 14.510
  • Minimum brightness (Mag): 14.830
  • Created: 7/30/2014
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.452921600000000
  • Epoch (HJD): 2455690.30437
  • Secondary Epoch (HJD): 2455690.53083
Additional data:
  • Discoverer: Radek Kocián
  • Discovery year: 2010
  • Note: 
    comparison star: TYC 2103 2998. V=12.41. B-V=0.852
Change log:

2/27/2025, Filip Walter:

  • Secondary Epoch: Null → 2455690.53083
  • Epoch: 2455690.53083 → 2455690.3043692
  • Epoch: 0 → 2455690.53083
  • Period: 0 → 0.4529216
  • Photometric band: → Null

Chart
CzeV209
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

5 x

Number of observers

1 x

Last observed before

5641 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2455690.30437 + 0.4529216 * E
S: M = 2455690.53083 + 0.4529216 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline