AP Leo (Eclipsing binary)

RA: 11h 05m 05.02s, DE: +05° 09' 06.40" (166.2709166617, 5.1517777778)

Tic: TIC 301499231, Gsc: GSC 00268-01012, Tyc: TYC 268-1012-1, Gcvs: AP Leo, TwoMass: 2MASS J11050502+0509063, Gaia: Gaia DR3 3816274189925586048

Data:
  • Constellation: Leo
  • Variability type: EW
  • Maximal brightness (Mag): 9.320 (V)
  • Minimum brightness (Mag): 9.910 (V)
  • Brightness in secondary minimum (Mag): 9.880 (V)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.430358000000000
  • Epoch (HJD): 45441.31000
  • Secondary Epoch (HJD): 45441.09500
Change log:

3/26/2026, Filip Walter:

  • Astrophysical interest: Nothing → Light time effect (LTE)
  • Alternative designation: → Tic: TIC 301499231, Gsc: GSC 00268-01012, Tyc: TYC 268-1012-1, Gcvs: AP Leo, TwoMass: 2MASS J11050502+0509063, Gaia: Gaia DR3 3816274189925586048

Chart
AP Leo
Source: The STScI Digitized Sky Survey
Number of observations

29 x

Number of observers

11 x

Last observed before

12 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2445441.31 + 0.430358 * E
S: M = 2445441.095 + 0.430358 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline