CzeV389 (Eclipsing binary)

RA: 17h 49m 05.35s, DE: +37° 37' 34.46" (267.2722749900, 37.6262388882)

CzeV: CzeV389, Gsc: GSC 3088-988, Gsc: GSC 3088-988. UNA 1275-09587671, Other: CSS_J174905.2+373734, Ucac4: UCAC4 639-054576

Data:

  • Constellation: Her
  • Variability type: EB
  • Maximal brightness (Mag): 14.900 (Clear)
  • Minimum brightness (Mag): 15.400 (Clear)
  • Created: 7/30/2014
  • Created by: admin
Periodic elements:

  • Period (d): 0.296486000000000
  • Epoch (HJD): 2456052.33127
  • Secondary Epoch (HJD): 2456052.479513 (est.)
Additional data:

  • Discoverer: Jiří Polák
  • Discovery year: 2012
  • Note:
    M0=2456065.521571. P=0.28987. http://var2.astro.cz/obslog.php?phase=yes&star=G3088.988+Her&obs_id=1270489348&projekt=%25&M0_ph=2456065.521571&PER_ph=0.28987&saveSettings=Ulo%9Eit+nastaven%ED&ph_min=0.7&ph_max=1.2&dataarray=1337702373&shift_1337702373=0.00
Change log:

4/18/2025, Filip Walter:

  • Epoch: 2456052.47951 → 2456052.331267
  • Epoch: 0 → 2456052.47951

Chart
CzeV389
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

6 x

Number of observers

3 x

Last observed before

2230 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2456052.33127 + 0.296486 * E
S: M = 2456052.479513 + 0.296486 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline