V0661 Lac (Eclipsing binary)

RA: 22h 10m 37.11s, DE: +47° 38' 21.96" (332.6546083233, 47.6394333330)

CzeV: CzeV158, Gcvs: V0661 Lac, Other: SLANYvar7, TwoMass: 2MASS 22103710+4738219, Ucac4: UCAC4 689-111475

Data:
  • Constellation: Lac
  • Variability type: EW
  • Maximal brightness (Mag): 15.700 (Clear)
  • Minimum brightness (Mag): 15.900 (Clear)
  • Astrophysical interest: Wrong period
  • Created: 7/30/2014
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.590020000000000
  • Epoch (HJD): 2454705.53731
  • Secondary Epoch (HJD): 2454705.83232 (est.)
Additional data:
  • Discoverer: Jaroslav Trnka
  • Discovery year: 2008
  • Note: 
    http://var2.astro.cz/obslog.php?obs_id=1183832205&projekt=%&star=CzeV158%3DSLANYvar7&lang=cz
Change log:

2/26/2025, Filip Walter:

  • Epoch: 2457969.3875 → 2454705.53731
  • Astrophysical interest: Nothing → Wrong period
  • Epoch: 0 → 2457969.3875
  • Period: 0 → 0.59002
  • Variability type: E → EW
  • Alternative designation: CzeV: CzeV158 Lac → CzeV: CzeV158 Lac, Gcvs: V0661 Lac

Chart
V0661 Lac
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

12 x

Number of observers

1 x

Last observed before

5968 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454705.53731 + 0.59002 * E
S: M = 2454705.83232 + 0.59002 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline