Basic data (System:849)

C1900.0 :15285-4050
C2000.0 :153508448-41100032
Comp. :A
Magn. : 2.78(V)
Spect. :B2IV


Identifiers:

Bayer $\gamma$ LupCD -40 9760CPD -40 7042HD 138690
HIP 76297


Orbit

ElementValueStd. dev.
Period (d.):2.8081
Periastron time (xJD-2,400,000.0):39271.33
Reference T0/epoch:JD
Eccentricity:0.10
omega primary (deg.):97.
K1 (km/s):28.4
K2 (km/s):
V0 (km/s):+0.6
sigma residuals primary:
sigma residuals secondary:
#RV primary:
#RV secondary:
Grade:1.0
Contributor:DAO
Status:PUB
Bibcode:1987ApJS...64..487L
Derived quantities (on the fly, from the above quantities)
a1sini (km):1.09115e+060
f(m) (sol.mass):0.006589950

Note

The star probably belongs to the Sco-Cen group and displays evidence of an
expanding circumstellar shell. It is one of the two approximately equal
components for which a visual orbit of P=147y and a=0.6" has been computed by
W.D. Heintz (Astron. Nachr., 283, 145, 1956).

Plot

Orbit
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