Table 1
Effect of mass uncertainty on the distance and time of approach to the Sun.
| StePPeD ID | First component | Second component | Mass centre approach to the Sun | |||
|---|---|---|---|---|---|---|
| Gaia EDR3 ID | mass est. [M⊙] | Gaia EDR3 ID | mass est. [M⊙] | min dist. [pc] | min time [Myr] | |
| P5000 | 2479549701620909312 | 0.65 ± 0.08 | 2479549701621101184 | 0.64 ± 0.08 |  |
 |
| P5001 | 4569088021684763904 | 0.77 ± 0.08 (a) | 4569088021688882048 | 0.77 ± 0.08 |  |
 |
| P5002 | 2182863462586498432 | 1.33 ± 0.22 | 2182863492643748096 | 1.08 ± 0.13 |  |
 |
| P5003 | 4470126821233210112 | 1.42 ± 0.25 | 4470126821224457344 | 1.42 ± 0.25 |  |
 |
| P5004 | 1031783261988885376 | 1.15 ± 0.16 | 1031783639946006912 | 1.09 ± 0.14 |  |
 |
| P5005 | 6828177528743255552 | 0.73 ± 0.08 | 6828177528743255424 | 0.66 ± 0.08 |  |
 |
| P5006 | 287980516431427200 | 0.80 ± 0.10 | 287980512135232512 | 0.62 ± 0.08 |  |
 |
| P5007 | 1361208348808624256 |  |
1361208353105063296 | 0.66 ± 0.08 |  |
 |
| P5008 | 6643765063414984832 | 0.65 ± 0.08 | 6643765067712454656 | 0.59 ± 0.02 |  |
 |
| P5009 | 6243585681802135808 | 1.17 ± 0.16 | 6243585681802137728 | 0.91 ± 0.12 |  |
 |
| P5010 | 2104485016711846656 |  |
2104486489885306752 | 0.66 ± 0.02 |  |
 |
| P5011 | 1237090738916392704 | 0.96 ± 0.12 | 1237090738916392832 | 0.67 ± 0.08 |  |
 |
Notes. The first column shows StePPeD ID, the second and fourth Gaia EDR3 identifiers of the components. The third and fifth columns contain information on masses and their uncertainties for the components. The last two columns show the minimum distance and the time of approach of the centre of mass of the system to the Sun. Uncertainties in the distance and time of approach to the Sun are here only due to the uncertainties in the determination of the mass components of the binary system. (a)The mass of this component was assumed equal to the second component. This is a reliable assumption due to the comparable observed magnitudes of both stars.
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