Basic data (System:882)

C1900.0 :16000+5850
C2000.0 :160153346+58335491
Comp. :A
Magn. : 4.01(V)
Spect. :F8IV-V


Identifiers:

Bayer $\theta$ DraBD +58 1608GAIADR2 1623289903205934336GAIADR3 1623289903205934336
GJ 609.1GJ 9538HD 144284HIP 78527
HR 5986


Orbit

ElementValueStd. dev.
Period (d.):3.07082160.0000069
Periastron time (xJD-2,400,000.0):45971.980.13
Reference T0/epoch:JD
Eccentricity:0.0390.012
omega primary (deg.):63.015.0
K1 (km/s):25.100.31
K2 (km/s):66.002.2
V0 (km/s):-8.230.20
sigma residuals primary:
sigma residuals secondary:
#RV primary:14
#RV secondary:4
Grade:5
Contributor:PBX
Status:PUB
Bibcode:2002ApJ...564.1007M
Derived quantities (on the fly, from the above quantities)
a1sini (km):1.05909e+0613000
a2sini (km):2.78485e+0693000
m1sin**3 i (sol.mass):0.1745450.014
m2sin**3 i (sol.mass):0.06637980.0035

Note



Radial velocities used in this orbit

xJDRad.Vel.O-C or errorWeightComponentOffsetComment
-2,400,000.0(km/s)(km/s)(km/s)
45446.63313.011.191aDuquennoy_etal_1991
45474.4964.600.471aDuquennoy_etal_1991
45481.476-29.892.701aDuquennoy_etal_1991
45485.503-6.550.891aDuquennoy_etal_1991
45488.459-13.000.901aDuquennoy_etal_1991
45778.662-3.911.061aDuquennoy_etal_1991
45779.662-30.321.001aDuquennoy_etal_1991
45863.4170.441.131aDuquennoy_etal_1991
46959.446-10.431.181aDuquennoy_etal_1991
47318.513-20.041.241aDuquennoy_etal_1991
50806.15-28.931a
50807.15-8.481a
51228.130.731a
51484.71-27.091a
50806.1545.481b
50807.150.811b
51228.13-30.081b
51484.7143.901b


Plot

Orbit
Encapsulated PostScript file

T. Merle

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