V1143 Cyg (Eclipsing binary)

RA: 19h 38m 41.18s, DE: +54° 58' 25.60" (294.6715833283, 54.9737777771)

Tic: TIC 424719589, UsnoB: USNO-B1.0 1449-00292213, Gsc: GSC 03938-01983, Hd: HD 185912, Tyc: TYC 3938-1983-1, Gcvs: V1143 Cyg, TwoMass: 2MASS J19384114+5458257, Tic: TIC 1883519478, Gaia: Gaia DR3 2138551219835016320

Data:

Constellation: Cyg
Variability type: EA
Maximal brightness (Mag): 5.850 (V)
Minimum brightness (Mag): 6.370 (V)
Brightness in secondary minimum (Mag): 6.060 (V)
D (h): 3.670
Astrophysical interest: Excentric orbit of the binary, Apsidal motion

Created: 6/1/1996
Created by: admin

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Periodic elements:

Period (d): 7.640752170000000
Epoch (HJD): 42212.76500
Secondary Epoch (HJD): 42218.28500

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Change log:

1/21/2026, Filip Walter:

Alternative designation: → Tic: TIC 424719589, UsnoB: USNO-B1.0 1449-00292213, Gsc: GSC 03938-01983, Hd: HD 185912, Tyc: TYC 3938-1983-1, Gcvs: V1143 Cyg, TwoMass: 2MASS J19384114+5458257, Tic: TIC 1883519478, Gaia: Gaia DR3 2138551219835016320
Name: V1143 → V1143 Cyg

2/24/2025, Filip Walter:

Secondary Epoch: 42218.44208 → 42218.285
Secondary Epoch: 42218.285 → 42218.44208
Secondary Epoch: 42213.508 → 42218.285
Secondary Epoch: 42218.285 → 42213.508
D: Null → 3.67
Astrophysical interest: Excentric orbit of the binary → Excentric orbit of the binary, Apsidal motion
Astrophysical interest: Nothing → Excentric orbit of the binary