CN And (Eclipsing binary)

RA: 00h 20m 30.60s, DE: +40° 13' 34.00" (5.1274999950, 40.2261111104)

Tic: TIC 194555934, TwoMass: 2MASS J00203054+4013337, Gsc: GSC 02787-01815, Tyc: TYC 2787-1815-1, Gcvs: CN And, Nsvs: NSVS 3656824, Gaia: Gaia DR3 380329082164174848

Data:
  • Constellation: And
  • Variability type: EW/KW
  • Maximal brightness (Mag): 9.700 (V)
  • Minimum brightness (Mag): 10.250 (V)
  • Brightness in secondary minimum (Mag): 9.960 (V)
  • Astrophysical interest: Period decreasing
  • Created: 7/11/1997
  • Created by: admin
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Periodic elements:
  • Period (d): 0.462790900000000
  • Epoch (HJD): 46711.52300
  • Secondary Epoch (HJD): 46711.75400
Change log:

1/16/2026, Filip Walter:

  • Name: CN → CN And
  • Alternative designation: → Tic: TIC 194555934, TwoMass: 2MASS J00203054+4013337, Gsc: GSC 02787-01815, Tyc: TYC 2787-1815-1, Gcvs: CN And, Nsvs: NSVS 3656824, Gaia: Gaia DR3 380329082164174848

11/10/2025, Filip Walter:

  • Astrophysical interest: Nothing → Period decreasing

Chart
CN And
Source: The STScI Digitized Sky Survey
Number of observations

72 x

Number of observers

17 x

Last observed before

91 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2446711.523 + 0.4627909 * E
S: M = 2446711.754 + 0.4627909 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline