EW Ori (Eclipsing binary)

RA: 05h 20m 09.15s, DE: +02° 02' 40.00" (80.0381249950, 2.0444444441)

Tic: TIC 449256892, TwoMass: 2MASS J05200914+0202400, Gsc: GSC 00104-01206, Hd: HD 287727, Tyc: TYC 104-1206-1, Gcvs: EW Ori, Gaia: Gaia DR3 3234273101609865344

Data:

  • Constellation: Ori
  • Variability type: EA
  • Maximal brightness (Mag): 9.900 (V)
  • Minimum brightness (Mag): 10.600 (V)
  • Brightness in secondary minimum (Mag): 10.500 (V)
  • D (h): 4.995
  • Astrophysical interest: Excentric orbit of the binary
  • Created: 8/2/1998
  • Created by: admin
Periodic elements:

  • Period (d): 6.936851500000000
  • Epoch (HJD): 27543.33200
  • Secondary Epoch (HJD): 27546.80000
Change log:

1/22/2026, Filip Walter:

  • D: Null → 4.995

1/21/2026, Filip Walter:

  • Name: EW → EW Ori
  • Astrophysical interest: Nothing → Excentric orbit of the binary
  • Alternative designation: → Tic: TIC 449256892, TwoMass: 2MASS J05200914+0202400, Gsc: GSC 00104-01206, Hd: HD 287727, Tyc: TYC 104-1206-1, Gcvs: EW Ori, Gaia: Gaia DR3 3234273101609865344

Number of observations

8 x

Number of observers

1 x

Last observed before

6217 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2427543.332 + 6.9368515 * E
S: M = 2427546.8 + 6.9368515 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline