alf CrB (Eclipsing binary)

RA: 15h 34m 41.30s, DE: +26° 42' 53.00" (233.6720833233, 26.7147222222)

Tic: TIC 274945059, Gaia: Gaia DR3 1222646935698492160, TwoMass: 2MASS J15344125+2642529, UsnoB: USNO-B1.0 1167-00260913, Gsc: GSC 02029-01690, Hd: HD 139006, Tyc: TYC 2029-1690-1, Gcvs: alf CrB, Other: Alphecca

Data:

Constellation: CrB
Variability type: EA/DM
Maximal brightness (Mag): 2.210 (B)
Minimum brightness (Mag): 2.320 (B)
D (h): 13.706
Astrophysical interest: Excentric orbit of the binary

Created by: admin

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Periodic elements:

Period (d): 17.359907000000000
Epoch (HJD): 2458959.88500
Secondary Epoch (HJD): 2432329.80190

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Change log:

1/22/2026, Filip Walter:

Name: Alphecca → alf CrB
Alternative designation: Tic: TIC 274945059, Gaia: Gaia DR3 1222646935698492160, TwoMass: 2MASS J15344125+2642529, UsnoB: USNO-B1.0 1167-00260913, Gsc: GSC 02029-01690, Hd: HD 139006, Tyc: TYC 2029-1690-1, Gcvs: alf CrB → Tic: TIC 274945059, Gaia: Gaia DR3 1222646935698492160, TwoMass: 2MASS J15344125+2642529, UsnoB: USNO-B1.0 1167-00260913, Gsc: GSC 02029-01690, Hd: HD 139006, Tyc: TYC 2029-1690-1, Gcvs: alf CrB, : Alphecca
Secondary Epoch: Null → 2432329.8019
Astrophysical interest: Nothing → Excentric orbit of the binary
Epoch: Null → 2458959.885
D: Null → 13.7064
Alternative designation: → Tic: TIC 274945059, Gaia: Gaia DR3 1222646935698492160, TwoMass: 2MASS J15344125+2642529, UsnoB: USNO-B1.0 1167-00260913, Gsc: GSC 02029-01690, Hd: HD 139006, Tyc: TYC 2029-1690-1, Gcvs: alf CrB
Name: alf → Alphecca