Basic data (System:1077)

C1900.0 :18407+5526
C2000.0 :184237953+55322205
Comp. :
Magn. : 5.05(V)
Spect. :A0 ; A0


Identifiers:

BD +55 2107Flamsteed 46 DraGAIADR2 2147865732587997056HD 173524
HIP 91755


Orbit

ElementValueStd. dev.
Period (d.):9.81073
Periastron time (xJD-2,400,000.0):40003.1280.032
Reference T0/epoch:JD
Eccentricity:0.2000.006
omega primary (deg.):172.291.29
K1 (km/s):26.010.17
K2 (km/s):29.120.18
V0 (km/s):-27.880.09
sigma residuals primary:0.44
sigma residuals secondary:0.53
#RV primary:17
#RV secondary:17
Grade:
Contributor:ARD
Status:PUB
Bibcode:1998MNRAS.297....1A
Derived quantities (on the fly, from the above quantities)
a1sini (km):3.43804e+060
a2sini (km):3.84913e+060
m1sin**3 i (sol.mass):0.08494510.0012
m2sin**3 i (sol.mass):0.0758730.0011

Note

Observatories: Dominion Astrophysical Observatory Reticon

The star is a double-lined spectrocopic binary. 

Radial velocities used in this orbit

xJDRad.Vel.O-C or errorWeightComponentOffsetComment
-2,400,000.0(km/s)(km/s)(km/s)
47703.8629-51.51.0DAOa0
48759.8549-6.81.0DAOa0
47701.8150-16.31.0DAOa0
47700.8296-9.21.0DAOa0
47704.8886-59.11.0DAOa0
49139.8264-19.41.0DAOa0
47750.7494-15.21.0DAOa0
47748.7164-8.21.0DAOa0
47337.9049-9.41.0DAOa0
48380.8496-52.01.0DAOa0
47835.5820-14.61.0DAOa0
47831.6453-55.11.0DAOa0
47832.6459-56.91.0DAOa0
48093.8268-12.71.0DAOa0
48223.5605-46.31.0DAOa0
48480.7694-47.61.0DAOa0
48762.8446-40.41.0DAOa0
47703.8629-2.71.0DAOb0
48759.8549-49.91.0DAOb0
47701.8150-40.11.0DAOb0
47700.8296-49.41.0DAOb0
47704.8886+6.31.0DAOb0
49139.8264-35.71.0DAOb0
47750.7494-41.91.0DAOb0
47748.7164-51.51.0DAOb0
47337.9049-49.51.0DAOb0
48380.8496-0.41.0DAOb0
47835.5820-43.41.0DAOb0
47831.6453+2.31.0DAOb0
47832.6459+4.51.0DAOb0
48093.8268-45.11.0DAOb0
48223.5605-7.21.0DAOb0
48480.7694-4.41.0DAOb0
48762.8446-13.41.0DAOb0


Plot

Orbit
Encapsulated PostScript file

D.Pourbaix

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