Basic data (System:1438)
| C1900.0 | : | 23138-1400
|
|---|
| C2000.0 | : | 231906668-13273079
|
|---|
| Comp. | : | A
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|---|
| Magn. | : | 5.21(V)
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| Spect. | : | G5IV ; K2V
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Identifiers:
| ADS 16672 | BD -14 6448 | Flamsteed 94 Aqr | GAIADR2 2411855072801158656
|
| GAIADR3 2411855072801158656 | GJ 894.2 | HD 219834 | HIP 115126
|
| HR 8866
|
Orbit
| Element | | Value | Std. dev.
|
|---|
| Period (d.) | : | 2441 | 87
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| Periastron time (xJD-2,400,000.0) | : | 46765 | 90
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| Reference T0/epoch | : | JD
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| Eccentricity | : | 0.205 | 0.036
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| omega primary (deg.) | : | 202.0 | 12.0
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| K1 (km/s) | : | 5.53 | 0.14
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| K2 (km/s) | : | |
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| V0 (km/s) | : | 10.32 | 0.26
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| sigma residuals primary | : | 0.13
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| sigma residuals secondary | : |
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| #RV primary | : | 10
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| #RV secondary | : |
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| Grade | : |
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| Contributor | : | EVG
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| Status | : | PUB
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| Bibcode | : | 1991A&A...248..485D
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| Derived quantities (on the fly, from the above quantities) |
|---|
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| a1sini (km) | : | 1.81679e+08 | 8.1e+06
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| f(m) (sol.mass) | : | 0.0402565 | 0.0061
|
|---|
Note
The radial velocities have been published in Paper I (Duquennoy A.,
Mayor M. and Halbwaschs J.-L., 1991, AApS 88, 281)
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) |
|
| 45190.589 | 14.53 | 0.27 | 1 | a | 0 |
|
| 45231.463 | 14.87 | 0.28 | 1 | a | 0 |
|
| 45610.440 | 14.33 | 0.44 | 1 | a | 0 |
|
| 45971.440 | 11.36 | 0.27 | 1 | a | 0 |
|
| 46278.617 | 7.67 | 0.27 | 1 | a | 0 |
|
| 46396.278 | 6.12 | 0.27 | 1 | a | 0 |
|
| 46639.579 | 3.74 | 0.27 | 1 | a | 0 |
|
| 47352.607 | 13.11 | 0.27 | 1 | a | 0 |
|
| 47457.413 | 13.62 | 0.28 | 1 | a | 0 |
|
| 47733.597 | 14.65 | 0.27 | 1 | a | 0 |
|
Plot
Encapsulated PostScript file
T. Merle
