Basic data (System:1058)

C1900.0 :18229+7241
C2000.0 :182103383+72435824
Comp. :
Magn. : 3.57(V)
Spect. :F7V


Identifiers:

Bayer $\chi$ DraBD +72 839Flamsteed 44 DraGAIADR2 2266693630693473024
GAIADR3 2266693630693473024GJ 713HD 170153HIP 89937
HR 6927


Orbit

ElementValueStd. dev.
Period (d.):280.5170.0620912
Periastron time (xJD-2,400,000.0):46005.60.531363
Reference T0/epoch:JD
Eccentricity:0.4139210.0083
omega primary (deg.):119.8610.97
K1 (km/s):17.31520.18
K2 (km/s):24.34170.44
V0 (km/s):31.89990.14
sigma residuals primary:0.734159
sigma residuals secondary:2.18931
#RV primary:29
#RV secondary:28
Grade:5.0
Contributor:PBX
Status:PUB
Bibcode:2000A&AS..145..215P
Derived quantities (on the fly, from the above quantities)
a1sini (km):6.08011e+07680000
a2sini (km):8.54741e+071.6e+06
m1sin**3 i (sol.mass):0.9296480.039
m2sin**3 i (sol.mass):0.6612950.02

Note

Simultaneous adjustment of the visual and spectroscopic data (VB-SB2 system).

Radial velocities used in this orbit

xJDRad.Vel.O-C or errorWeightComponentOffsetComment
-2,400,000.0(km/s)(km/s)(km/s)
44356.990612.90.7341.856a
44358.009612.40.7341.856a
44358.009657.92.190.209b
44359.003112.90.7341.856a
44359.003157.32.190.209b
44362.001714.30.7341.856a
44362.001754.42.190.209b
44374.6172190.7341.856a
44374.617246.62.190.209b
44404.4977270.7341.856a
44404.497740.72.190.209b
44439.433131.82.190.209b
44439.433132.80.7341.856a
44534.5969142.190.209b
44534.596945.30.7341.856a
44626.060911.60.7341.856a
44626.060960.62.190.209b
44627.069012.40.7341.856a
44627.069062.32.190.209b
44832.722210.92.190.209b
44832.722245.80.7341.856a
44895.606011.60.7341.856a
44895.606059.82.190.209b
44898.564412.20.7341.856a
44898.564461.72.190.209b
45104.9665132.190.209b
45104.9665450.7341.856a
45755.031813.10.7341.856a
45755.031859.62.190.209b
45942.605614.92.190.209b
45942.605647.60.7341.856a
45960.630312.82.190.209b
45960.630344.10.7341.856a
46710.403127.62.190.209b
46710.403137.80.7341.856a
46767.2275162.190.209b
46767.227544.70.7341.856a
46843.734821.90.7341.856a
46843.7348382.190.209b
46849.684617.40.7341.856a
46849.684654.72.790.128b
46884.543314.50.7341.856a
46884.543359.42.190.209b
46937.591128.20.7341.856a
46937.591137.32.190.209b
46985.5255272.190.209b
46985.525536.80.7341.856a
47004.441419.72.190.209b
47004.4414390.7341.856a
47027.484514.72.190.209b
47027.484542.40.7341.856a
47029.391114.22.190.209b
47029.3911420.7341.856a
47037.415414.52.190.209b
47037.415443.50.7341.856a
47042.426614.22.190.209b
47042.4266440.7341.856a


Plot

Orbit
Encapsulated PostScript file

T. Merle

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