V0401 Lac (Eclipsing binary)

RA: 22h 08m 21.25s, DE: +49° 13' 15.60" (332.0885416617, 49.2209999993)

Tic: TIC 326708938, Tyc: TYC 3614-1126-1, Hd: HD 210308A, Gsc: GSC 03614-01126, Hd: HD 210308, Gcvs: V401 Lac, TwoMass: 2MASS J22082124+4913157, Gaia: Gaia DR3 1976676887450087680

Data:

  • Constellation: Lac
  • Variability type: EA
  • Maximal brightness (Mag): 7.932 (V)
  • Minimum brightness (Mag): 8.162 (V)
  • Brightness in secondary minimum (Mag): 7.932 (V)
  • Astrophysical interest: Excentric orbit of the binary, Apsidal motion
  • Created: 7/27/1997
  • Created by: admin
Periodic elements:

  • Period (d): 1.950120000000000
  • Epoch (HJD): 48501.79000
  • Secondary Epoch (HJD): 48502.76500
Change log:

1/21/2026, Filip Walter:

  • Name: V0401 → V0401 Lac
  • Astrophysical interest: Nothing → Excentric orbit of the binary, Apsidal motion
  • Alternative designation: → Tic: TIC 326708938, Tyc: TYC 3614-1126-1, Hd: HD 210308A, Gsc: GSC 03614-01126, Hd: HD 210308, Gcvs: V401 Lac, TwoMass: 2MASS J22082124+4913157, Gaia: Gaia DR3 1976676887450087680

Number of observations

9 x

Number of observers

4 x

Last observed before

1772 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2448501.79 + 1.95012 * E
S: M = 2448502.765 + 1.95012 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline