IQ Per (Eclipsing binary)

RA: 03h 59m 44.67s, DE: +48° 09' 04.50" (59.9361249950, 48.1512500000)

Tic: TIC 265767012, TwoMass: 2MASS J03594467+4809046, Gsc: GSC 03331-01175, Hd: HD 24909, Tyc: TYC 3331-1175-1, Gcvs: IQ Per, Gaia: Gaia DR3 246797724301643904

Data:

  • Constellation: Per
  • Variability type: EA
  • Maximal brightness (Mag): 7.720 (V)
  • Minimum brightness (Mag): 8.270 (V)
  • Brightness in secondary minimum (Mag): 7.880 (V)
  • D (h): 5.021
  • Astrophysical interest: Excentric orbit of the binary, Apsidal motion
  • Created: 6/1/1996
  • Created by: admin
Periodic elements:

  • Period (d): 1.743567000000000
  • Epoch (HJD): 44290.34600
  • Secondary Epoch (HJD): 44291.18800
Change log:

1/22/2026, Filip Walter:

  • D: Null → 5.021

1/21/2026, Filip Walter:

  • Name: IQ → IQ Per
  • Astrophysical interest: Nothing → Excentric orbit of the binary, Apsidal motion
  • Alternative designation: → Tic: TIC 265767012, TwoMass: 2MASS J03594467+4809046, Gsc: GSC 03331-01175, Hd: HD 24909, Tyc: TYC 3331-1175-1, Gcvs: IQ Per, Gaia: Gaia DR3 246797724301643904

Number of observations

11 x

Number of observers

5 x

Last observed before

1654 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2444290.346 + 1.743567 * E
S: M = 2444291.188 + 1.743567 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline