NSVS 890397 (Eclipsing binary)

RA: 12h 31m 33.36s, DE: +68° 38' 07.80" (187.8889999900, 68.6354999997)

Other: G4394.01100

Data:
  • Constellation: Dra
  • Variability type: EB|EW
  • Maximal brightness (Mag): 12.037 (R)
  • Minimum brightness (Mag): 12.821 (R)
  • Brightness in secondary minimum (Mag): 12.821 (R)
  • Astrophysical interest: Wrong period
  • Created: 12/20/2018
  • Created by: admin
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Periodic elements:
  • Period (d): 0.279921000000000
  • Epoch (JD): 57825.45120
  • Secondary Epoch (JD): 57825.59116
Change log:

5/12/2025, Filip Walter:

  • Astrophysical interest: Nothing → Wrong period

2/23/2025, Filip Walter:

  • Variability type: EW → EB|EW
  • Name: G4394.011 → NSVS 890397
  • Alternative designation: → : G4394.01100

Chart
NSVS 890397
Source: The STScI Digitized Sky Survey
Number of observations

5 x

Number of observers

2 x

Last observed before

2 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2457825.4512 + 0.279921 * E
S: M = 2457825.59116 + 0.279921 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline