V1111 Cep (Eclipsing binary, Cataclysmic variable)

RA: 22h 56m 08.45s, DE: +59° 54' 29.99" (344.0352100000, 59.9083300000)

Gcvs: V1111 Cep, Gsc: GSC 03997-00231, Tic: TIC 13111800, TwoMass: 2MASS J22560844+5954299, Other: GSC2.3 N1CB002289, Other: GSC2.3 N1CB00289, Other: IPHAS J225608.45+595430.0, Other: SDSS J225608.45+595430.0

Data:
  • Constellation: Cep
  • Variability type: EA+NL
  • Maximal brightness (Mag): 14.290 (V)
  • Minimum brightness (Mag): 18.330 (V)
  • Brightness in secondary minimum (Mag): 12.700 (V)
  • Created: 11/13/2009
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.228605667000000
  • Epoch (HJD): 54831.41980
  • Secondary Epoch (HJD): 54831.64840
Change log:

8/1/2026, Jan Hykel:

  • Cataclysmic variable: False → True

7/16/2026, Jan Hykel:

  • Period: 0.45721213 → 0.228605667
  • Variability type: EW → EA+NL
  • Photometric band: R → V
  • Minimum brightness: 12.7 → 18.33
  • Maximal brightness: 12.3 → 14.29
  • Declination: 59.908 → 59.90833
  • Right ascension: 344.0332083283 → 344.03521
  • Alternative designation: → Gcvs: V1111 Cep, Gsc: GSC 03997-00231, Tic: TIC 13111800, TwoMass: 2MASS J22560844+5954299, : GSC2.3 N1CB002289, : GSC2.3 N1CB00289, : IPHAS J225608.45+595430.0, : SDSS J225608.45+595430.0

Chart
V1111 Cep
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

1 x

Number of observers

1 x

Last observed before

23 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454831.4198 + 0.228605667 * E
S: M = 2454831.6484 + 0.228605667 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline