Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-05-09
Astrophys.J. 595 (2003) 1124-1130
Astronomy and Astrophysics
Astrophysics
Submitted to ApJ
Scientific paper
10.1086/377499
HD 16429 A is a triple star system consisting of a single-lined spectroscopic binary and a widely separated third component, previously identified via speckle interferometry. Here I present the first orbital elements for the unblended spectroscopic binary as well as estimates of the spectral types and relative flux contributions for each visible component based upon a Doppler tomographic reconstruction of their spectra. There are several stars around HD 16429 A, including the nearby Be X-ray binary and microquasar LS I +61 303, which all probably belong to a sub-cluster within the Cas OB6 association.
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