9th Catalogue of Spectroscopic Binary Orbits

Basic data (System:366)

C1900.0	:	05522+4456
C2000.0	:	055931723+44565076
Comp.	:	A
Magn.	:	1.90(V) ; 2.83(V)
Spect.	:	A2IV ; A2IV

Identifiers:

ADS 4556	Bayer $\beta$ Aur	BD +44 1328	Flamsteed 34 Aur
GAIADR2 196656661174768512	GAIADR3 196656661174768512	HD 40183	HIP 28360
HR 2088

Orbit


Element		Value	Std. dev.
Period (d.)	:	3.96004	2.66627e-06
Periastron time (xJD-2,400,000.0)	:	43915.7	1416.97
Reference T0/epoch	:	JD
Eccentricity	:	2.75266e-06	0.007
omega primary (deg.)	:	139.043	360.0
K1 (km/s)	:	110.246	1
K2 (km/s)	:	110.52	2.1
V0 (km/s)	:	-15.7536	0.62
sigma residuals primary	:	2.74028
sigma residuals secondary	:	6.36854
#RV primary	:	21
#RV secondary	:	21
Grade	:	5.0
Contributor	:	PBX
Status	:	PUB
Bibcode	:	2000A&AS..145..215P

Derived quantities (on the fly, from the above quantities)


a1sini (km)	:	6.00339e+06	54000
a2sini (km)	:	6.01831e+06	110000
m1sin**3 i (sol.mass)	:	2.21854	0.087
m2sin**3 i (sol.mass)	:	2.21304	0.058

Note

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

Radial velocities used in this orbit

xJD Rad.Vel. O-C or error Weight Component Offset Comment
-2,400,000.0 (km/s) (km/s) (km/s)
31047.7313 -117.83 6.37 0.025 b
31047.7313 77.91 2.74 0.133 a
31047.7681 -120 6.37 0.025 b
31047.7681 81.73 2.74 0.133 a
31048.7778 -56.17 6.37 0.025 b
31048.7778 21.09 2.74 0.133 a
31049.9292 -123.41 2.74 0.133 a
31049.9292 92.52 6.37 0.025 b
31050.0299 -126.26 2.74 0.133 a
31050.0299 93.16 6.37 0.025 b
31056.7562 -48.94 6.37 0.025 b
31056.7562 16.64 2.74 0.133 a
31059.8292 -127.07 6.37 0.025 b
31059.8292 91.01 2.74 0.133 a
31060.7236 -45.5 6.37 0.025 b
31060.7236 16.62 2.74 0.133 a
31062.6952 -49.67 2.74 0.133 a
31062.6952 16.42 6.37 0.025 b
31064.6653 -52.29 6.37 0.025 b
31064.6653 17.03 2.74 0.133 a
31064.6945 -43.13 6.37 0.025 b
31064.6945 11.52 2.74 0.133 a
31073.8646 -123.36 2.74 0.133 a
31073.8646 92.99 6.37 0.025 b
31073.9382 -120.13 2.74 0.133 a
31073.9382 89.1 6.37 0.025 b
31074.0292 -114.1 2.74 0.133 a
31074.0292 82.19 6.37 0.025 b
31074.9000 -26.25 6.37 0.025 b
31074.9000 11.02 2.74 0.133 a
31074.9250 -21.61 6.37 0.025 b
31074.9250 16.1 2.74 0.133 a
31074.9500 -52.45 6.37 0.025 b
31074.9500 19.02 2.74 0.133 a
31074.9764 -57.31 6.37 0.025 b
31074.9764 20.56 2.74 0.133 a
31075.0042 -60.81 6.37 0.025 b
31075.0042 24.7 2.74 0.133 a
31075.0333 -65.77 6.37 0.025 b
31075.0333 29.71 2.74 0.133 a
31075.6820 -128.18 6.37 0.025 b
31075.6820 88.46 2.74 0.133 a

Plot

Encapsulated PostScript file

T. Merle

xJD	Rad.Vel.	O-C or error	Weight	Component	Offset	Comment
-2,400,000.0	(km/s)	(km/s)			(km/s)
31047.7313	-117.83	6.37	0.025	b
31047.7313	77.91	2.74	0.133	a
31047.7681	-120	6.37	0.025	b
31047.7681	81.73	2.74	0.133	a
31048.7778	-56.17	6.37	0.025	b
31048.7778	21.09	2.74	0.133	a
31049.9292	-123.41	2.74	0.133	a
31049.9292	92.52	6.37	0.025	b
31050.0299	-126.26	2.74	0.133	a
31050.0299	93.16	6.37	0.025	b
31056.7562	-48.94	6.37	0.025	b
31056.7562	16.64	2.74	0.133	a
31059.8292	-127.07	6.37	0.025	b
31059.8292	91.01	2.74	0.133	a
31060.7236	-45.5	6.37	0.025	b
31060.7236	16.62	2.74	0.133	a
31062.6952	-49.67	2.74	0.133	a
31062.6952	16.42	6.37	0.025	b
31064.6653	-52.29	6.37	0.025	b
31064.6653	17.03	2.74	0.133	a
31064.6945	-43.13	6.37	0.025	b
31064.6945	11.52	2.74	0.133	a
31073.8646	-123.36	2.74	0.133	a
31073.8646	92.99	6.37	0.025	b
31073.9382	-120.13	2.74	0.133	a
31073.9382	89.1	6.37	0.025	b
31074.0292	-114.1	2.74	0.133	a
31074.0292	82.19	6.37	0.025	b
31074.9000	-26.25	6.37	0.025	b
31074.9000	11.02	2.74	0.133	a
31074.9250	-21.61	6.37	0.025	b
31074.9250	16.1	2.74	0.133	a
31074.9500	-52.45	6.37	0.025	b
31074.9500	19.02	2.74	0.133	a
31074.9764	-57.31	6.37	0.025	b
31074.9764	20.56	2.74	0.133	a
31075.0042	-60.81	6.37	0.025	b
31075.0042	24.7	2.74	0.133	a
31075.0333	-65.77	6.37	0.025	b
31075.0333	29.71	2.74	0.133	a
31075.6820	-128.18	6.37	0.025	b
31075.6820	88.46	2.74	0.133	a