[MS98] 23-00194 (Eclipsing binary)

RA: 19h 55m 03.23s, DE: +27° 45' 43.60" (298.7634624900, 27.7621111111)

CzeV: CzeV254, CzeV: CzeV256, Other: HKV9, UsnoB: USNO-B1.0 1177-0589158, Ucac4: UCAC4 589-101431

Data:
  • Constellation: Vul
  • Variability type: EW
  • Maximal brightness (Mag): 14.900 (V)
  • Minimum brightness (Mag): 15.600 (V)
  • Astrophysical interest: Wrong period
  • Created: 7/30/2014
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.336120000000000
  • Epoch (HJD): 2455482.27583
  • Secondary Epoch (HJD): 2455482.44389 (est.)
Additional data:
  • Discoverer: Lehký
  • Discoverer: Šmelcer
  • Discoverer VSX: M. R. Metzger et al.
  • Discovery year: 2010
  • Discovery year: 2011
  • Discovery year VSX: 1998
  • Note: = CzeV256
  • Note: pozorování z 18..22.. a 23.5. 2011
  • Publication: VSX J195503.2+274543
  • Publication: = CzeV254 !
Change log:

9/11/2025, Filip Walter:

  • Astrophysical interest: Nothing → Wrong period
  • Epoch: 0 → 2455482.27583
  • Period: 0 → 0.33612
  • Name: CzeV254 → [MS98] 23-00194
  • MD: Discovery year VSX: Null → 1998
  • MD: Discoverer VSX: Null → M. R. Metzger et al.

Chart
[MS98] 23-00194
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

45 x

Number of observers

2 x

Last observed before

3674 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2455482.27583 + 0.33612 * E
S: M = 2455482.44389 + 0.33612 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline