| C1900.0 | : | 18407+5526 |
|---|---|---|
| C2000.0 | : | 184237953+55322205 |
| Comp. | : | |
| Magn. | : | 5.05(V) |
| Spect. | : | A0 ; A0 |
| BD +55 2107 | Flamsteed 46 Dra | GAIADR2 2147865732587997056 | GAIADR3 2147865732587997056 |
| HD 173524 | HIP 91755 |
| Element | Value | Std. dev. | |
|---|---|---|---|
| Period (d.) | : | 9.81073 | |
| Periastron time (xJD-2,400,000.0) | : | 40003.128 | 0.032 |
| Reference T0/epoch | : | JD | |
| Eccentricity | : | 0.200 | 0.006 |
| omega primary (deg.) | : | 172.29 | 1.29 |
| K1 (km/s) | : | 26.01 | 0.17 |
| K2 (km/s) | : | 29.12 | 0.18 |
| V0 (km/s) | : | -27.88 | 0.09 |
| sigma residuals primary | : | 0.44 | |
| sigma residuals secondary | : | 0.53 | |
| #RV primary | : | 17 | |
| #RV secondary | : | 17 | |
| Grade | : | ||
| Contributor | : | ARD | |
| Status | : | PUB | |
| Bibcode | : | 1998MNRAS.297....1A | |
| Derived quantities (on the fly, from the above quantities) | |||
| a1sini (km) | : | 3.43804e+06 | 0 |
| a2sini (km) | : | 3.84913e+06 | 0 |
| m1sin**3 i (sol.mass) | : | 0.0849451 | 0.0012 |
| m2sin**3 i (sol.mass) | : | 0.075873 | 0.0011 |
Observatories: Dominion Astrophysical Observatory Reticon The star is a double-lined spectrocopic binary.
| xJD | Rad.Vel. | O-C or error | Weight | Component | Offset | Comment |
| -2,400,000.0 | (km/s) | (km/s) | (km/s) | |||
| 47703.8629 | -51.5 | 1.0 | DAO | a | 0 | |
| 48759.8549 | -6.8 | 1.0 | DAO | a | 0 | |
| 47701.8150 | -16.3 | 1.0 | DAO | a | 0 | |
| 47700.8296 | -9.2 | 1.0 | DAO | a | 0 | |
| 47704.8886 | -59.1 | 1.0 | DAO | a | 0 | |
| 49139.8264 | -19.4 | 1.0 | DAO | a | 0 | |
| 47750.7494 | -15.2 | 1.0 | DAO | a | 0 | |
| 47748.7164 | -8.2 | 1.0 | DAO | a | 0 | |
| 47337.9049 | -9.4 | 1.0 | DAO | a | 0 | |
| 48380.8496 | -52.0 | 1.0 | DAO | a | 0 | |
| 47835.5820 | -14.6 | 1.0 | DAO | a | 0 | |
| 47831.6453 | -55.1 | 1.0 | DAO | a | 0 | |
| 47832.6459 | -56.9 | 1.0 | DAO | a | 0 | |
| 48093.8268 | -12.7 | 1.0 | DAO | a | 0 | |
| 48223.5605 | -46.3 | 1.0 | DAO | a | 0 | |
| 48480.7694 | -47.6 | 1.0 | DAO | a | 0 | |
| 48762.8446 | -40.4 | 1.0 | DAO | a | 0 | |
| 47703.8629 | -2.7 | 1.0 | DAO | b | 0 | |
| 48759.8549 | -49.9 | 1.0 | DAO | b | 0 | |
| 47701.8150 | -40.1 | 1.0 | DAO | b | 0 | |
| 47700.8296 | -49.4 | 1.0 | DAO | b | 0 | |
| 47704.8886 | +6.3 | 1.0 | DAO | b | 0 | |
| 49139.8264 | -35.7 | 1.0 | DAO | b | 0 | |
| 47750.7494 | -41.9 | 1.0 | DAO | b | 0 | |
| 47748.7164 | -51.5 | 1.0 | DAO | b | 0 | |
| 47337.9049 | -49.5 | 1.0 | DAO | b | 0 | |
| 48380.8496 | -0.4 | 1.0 | DAO | b | 0 | |
| 47835.5820 | -43.4 | 1.0 | DAO | b | 0 | |
| 47831.6453 | +2.3 | 1.0 | DAO | b | 0 | |
| 47832.6459 | +4.5 | 1.0 | DAO | b | 0 | |
| 48093.8268 | -45.1 | 1.0 | DAO | b | 0 | |
| 48223.5605 | -7.2 | 1.0 | DAO | b | 0 | |
| 48480.7694 | -4.4 | 1.0 | DAO | b | 0 | |
| 48762.8446 | -13.4 | 1.0 | DAO | b | 0 |
