IR Cas (Eclipsing binary)

RA: 23h 06m 52.38s, DE: +54° 04' 52.20" (346.7182500000, 54.0811666660)

Data:
  • Constellation: Cas
  • Variability type: EB
  • Maximal brightness (Mag): 10.800 (P)
  • Minimum brightness (Mag): 12.300 (P)
  • Brightness in secondary minimum (Mag): 11.500 (P)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.680686000000000
  • Epoch (JD): 46332.45100
  • Secondary Epoch (JD): 46332.79100
Change log:

10/25/2025, Filip Walter:

  • Astrophysical interest: Nothing → Light time effect (LTE)

Chart
IR Cas
Source: The STScI Digitized Sky Survey
Number of observations

10 x

Number of observers

8 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2446332.451 + 0.680686 * E
S: M = 2446332.791 + 0.680686 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline