BX Tri (Eclipsing binary, Eruptive variable)

RA: 02h 20m 50.85s, DE: +33° 20' 47.62" (35.2118700000, 33.3465600000)

Other: SWASP 0220, Other: NSVS 6550671, Gsc: GSC 02314-00530, Ucac4: UCAC4 617-006521

Data:

  • Constellation: Tri
  • Variability type: EW+UV
  • Maximal brightness (Mag): 12.350 (R)
  • Minimum brightness (Mag): 12.650 (R)
  • Brightness in secondary minimum (Mag): 12.600 (R)
  • Astrophysical interest: Combination of more effects, Light time effect (LTE)
  • Created: 5/5/2010
  • Created by: admin
Periodic elements:

  • Period (d): 0.192635500000000
  • Epoch (HJD): 2451566.66290
  • Secondary Epoch (HJD): 51352.15800
Additional data:

  • Teff (K) (Gaia DR3:: 3675
Change log:

12/20/2025, Filip Walter:

  • Epoch: 51352.062 → 2451566.6629
  • MD: Teff (K) (Gaia DR3:: Null → 3675

9/23/2025, Filip Walter:

  • Declination: 33.3462777774 → 33.34656
  • Right ascension: 35.2120833283 → 35.21187
  • Eruptive variable: False → True
  • Alternative designation: : SWASP 0220 → : SWASP 0220, : NSVS 6550671, Gsc: GSC 02314-00530, Ucac4: UCAC4 617-006521
  • Variability type: EW → EW+UV
  • Name: BX → BX Tri
  • Astrophysical interest: Nothing → Combination of more effects, Light time effect (LTE)

Number of observations

544 x

Number of observers

18 x

Last observed before

191 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451566.6629 + 0.1926355 * E
S: M = 2451352.158 + 0.1926355 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline