IL Lac (Eclipsing binary)

RA: 22h 06m 47.08s, DE: +52° 09' 08.10" (331.6961700000, 52.1522500000)

AsasSnV: ASASSN-V J220647.03+520906.5, Gaia: Gaia DR3 2004387780236222848, Gcvs: IL Lac, Gsc: GSC 03617-01169, Tic: TIC 326372684, TwoMass: 2MASS J22064709+5209082, Tyc: TYC 3617-1169-1, Other: VV 318

Data:
  • Constellation: Lac
  • Variability type: EA
  • Maximal brightness (Mag): 12.500 (P)
  • Minimum brightness (Mag): 13.100 (P)
  • Brightness in secondary minimum (Mag): 12.500 (P)
  • Created: 4/9/2007
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 7.395656000000000
  • Epoch (HJD): 53226.61700
  • Secondary Epoch (HJD): 53222.44900
Change log:

10/21/2026, Filip Walter:

  • Variability type: E → EA
  • Right ascension: 331.6961666667 → 331.69617
  • Name: IL → IL Lac
  • CI: Tyc: Null → TYC 3617-1169-1
  • CI: TwoMass: Null → 2MASS J22064709+5209082
  • CI: Tic: Null → TIC 326372684
  • CI: Other: Null → VV 318
  • CI: Gsc: Null → GSC 03617-01169
  • CI: Gcvs: Null → IL Lac
  • CI: Gaia: Null → Gaia DR3 2004387780236222848
  • CI: AsasSnV: Null → ASASSN-V J220647.03+520906.5

Chart
IL Lac
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

2 x

Number of observers

1 x

Last observed before

5165 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2453226.617 + 7.395656 * E
S: M = 2453222.449 + 7.395656 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline