GI Cep (Eclipsing binary)

RA: 21h 29m 28.95s, DE: +65° 14' 21.10" (322.3706249950, 65.2391944441)

Data:
  • Constellation: Cep
  • Variability type: EA
  • Maximal brightness (Mag): 11.400 (P)
  • Minimum brightness (Mag): 12.500 (P)
  • Brightness in secondary minimum (Mag): 11.900 (P)
  • Astrophysical interest: Sudden period changes
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 1.037678000000000
  • Epoch (HJD): 36875.35900
  • Secondary Epoch (HJD): 36875.87800
Change log:

8/23/2025, Filip Walter:

  • Astrophysical interest: Nothing → Sudden period changes

Chart
GI Cep
Source: The STScI Digitized Sky Survey
Number of observations

33 x

Number of observers

8 x

Last observed before

127 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2436875.359 + 1.037678 * E
S: M = 2436875.878 + 1.037678 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline