Basic data (System:865)
| C1900.0 | : | 15475-1952
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| C2000.0 | : | 155320059-20100135
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| Comp. | :
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| Magn. | : | 5.03(V)
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| Spect. | : | B2.5V
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Identifiers:
| Bayer $\lambda$ Lib | BD -19 4249 | GAIADR2 6246914247094934272 | GAIADR3 6246914247094934272
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| HD 142096 | HIP 77811 | HR 5902
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Orbit
| Element | | Value | Std. dev.
|
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| Period (d.) | : | 14.4829 | 0.0004
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| Periastron time (xJD-2,400,000.0) | : | 35172.380 | 0.664
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| Reference T0/epoch | : | JD
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| Eccentricity | : | 0.27 | 0.09
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| omega primary (deg.) | : | 217 | 17
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| K1 (km/s) | : | 28.5 | 3.3
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| K2 (km/s) | : | |
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| V0 (km/s) | : | 3.3 | 1.6
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| sigma residuals primary | : |
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| sigma residuals secondary | : |
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| #RV primary | : | 21
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| #RV secondary | : |
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| Grade | : | 0
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| Contributor | : | AGL
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| Status | : | PUB
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| Bibcode | : | 1990ApJS...74..551A
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| Derived quantities (on the fly, from the above quantities) |
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| a1sini (km) | : | 5.46509e+06 | 650000
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| f(m) (sol.mass) | : | 0.0311273 | 0.011
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Note
Observatories: CFS = Coude fees Spectrograph at Kitt Peak Coudé Feed Telescope
SB9: The orbit is just a cut and paste of the orbit from Levato et al. (1987),
also in SB9. The data from the paper does not support that orbital solution
which is poorly supported by the original observations.
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) |
|
| 43296.781 | -7.6 | 1.8 | 1 | a | 0 | CFS
|
| 43298.781 | -24.8 | 3.1 | 1 | a | 0 | CFS
|
| 43329.669 | 15.6 | 1.2 | 1 | a | 0 | CFS
|
| 43571.968 | -35.2 | 4.9 | 1 | a | 0 | CFS
|
| 43601.888 | -4.5 | 2.4 | 1 | a | 0 | CFS
|
| 43648.788 | -48.7 | 1.8 | 1 | a | 0 | CFS
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| 43649.783 | -21.4 | 3.7 | 1 | a | 0 | CFS
|
| 43650.775 | -5.1 | 2.8 | 1 | a | 0 | CFS
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| 43676.715 | 10.7 | 5.9 | 1 | a | 0 | CFS
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| 43677.735 | -5.5 | 1.9 | 1 | a | 0 | CFS
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| 43678.732 | -7.0 | 5.9 | 1 | a | 0 | CFS
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| 43727.667 | -5.8 | 4.1 | 1 | a | 0 | CFS
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| 43929.929 | 3.8 | 1.5 | 1 | a | 0 | CFS
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| 43984.810 | -11.3 | 2.8 | 1 | a | 0 | CFS
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| 43985.863 | 1.4 | 1.6 | 1 | a | 0 | CFS
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| 43986.887 | 9.6 | 2.4 | 1 | a | 0 | CFS
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| 44057.718 | -19.7 | 3.9 | 1 | a | 0 | CFS
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| 44058.702 | -22.6 | 3.0 | 1 | a | 0 | CFS
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| 44059.648 | -21.9 | 3.4 | 1 | a | 0 | CFS
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| 44068.651 | -16.4 | 2.7 | 1 | a | 0 | CFS
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| 44070.659 | -25.9 | 3.3 | 1 | a | 0 | CFS
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Plot
Encapsulated PostScript file
T. Merle
