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Table 2
New X-ray observations of the systems.
| System | Obs. with | ObsID | Obs. date | Exp. time | ||||
|
|
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| τ Boo AB | C | 13232 | 2011-08-28 | 5.0 ks | ||||
| τ Boo AB | C | 13233 | 2012-04-21 | 4.9 ks | ||||
| 55 Cnc AB | X | 0551020801 | 2009-04-11 | 13.9 ks | ||||
| υ And AB | X | 0722030101 | 2013-08-04 | 17.0 ks | ||||
Notes. C: Chandra ACIS-I, X: XMM-Newton EPIC.
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