Swift XRT observations find GX 339-4 in the soft state in Jan 2020
Abstract
We report on a Swift/XRT observation of the outbursting X-ray binary GX 339-4, determining its spectral state and brightness after coming out of sun constraint.
- Publication:
-
The Astronomer's Telegram
- Pub Date:
- February 2020
- Bibcode:
- 2020ATel13447....1P
- Keywords:
-
- Binary;
- Black Hole;
- Transient