TU UMi (Eclipsing binary)

RA: 14h 55m 43.84s, DE: +76° 18' 23.70" (223.9326666567, 76.3065833333)

Data:
  • Constellation: UMi
  • Variability type: EW
  • Maximal brightness (Mag): 8.840 (V)
  • Minimum brightness (Mag): 8.900 (V)
  • Brightness in secondary minimum (Mag): 8.840 (V)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 11/6/2004
  • Created by: admin
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Periodic elements:
  • Period (d): 0.377268000000000
  • Epoch (JD): 52725.62620
  • Secondary Epoch (JD): 52725.81480
Change log:

4/14/2025, Filip Walter:

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

Chart
TU UMi
Source: The STScI Digitized Sky Survey
Number of observations

12 x

Number of observers

5 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2452725.6262 + 0.377268 * E
S: M = 2452725.8148 + 0.377268 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline