tjmaccarone on 17-Jul-2026 16:47:42 GMT about 4U 1758-25
The optical counterpart from Gaia is a chance superposition. Numerous papers show strong X-ray absorption and reddening.
https://academic.oup.com/mnras/article/315/4/L57/1069137
gives the likely infrared counterpart.
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View annotation on 4U 1758-25 object