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Multiple systems of astrophysical interest. III - When is a binary wide?
The possibility that the statistics of wide binaries, used to testtheories of stellar encounters, are biased against large separations isexamined on the basis of known widely spaced systems of objects withcommon space motion. It is possible to conclude that before concepts ofstellar interactions can be quantized both unbiased samples of widebinaries and some knowledge of their ages are necessary.
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Observation and Astrometry data
| Constellation: | Φοίνιξ |
| Right ascension: | 00h50m47.05s |
| Declination: | -41°33'20.5" |
| Apparent magnitude: | 9.024 |
| Proper motion RA: | 79.7 |
| Proper motion Dec: | 14.8 |
| B-T magnitude: | 9.626 |
| V-T magnitude: | 9.074 |
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