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High‐Resolution Parallax Measurements of Scorpius X‐1

  • Authors: C. F. Bradshaw, E. B. Fomalont, and B. J. Geldzahler

Bradshaw, Fomalont, & Geldzahler 1999 The Astrophysical Journal Letters 512 L121.

  • Provider: AAS Journals

Caption: Fig. 3.

Sco X‐1 6 cm east‐west (top) and north‐south (bottom) residual positions after removing proper motion. The data points are the weighted average from each VLBA observation date in Table 1. The error is mostly dependent on the core flux density. The sinusoid corresponds to the parallax of 0.36 mas.

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