We present the results of deep narrowband imaging of two nested shells around the blue supergiant ALS 19653, which confirm that the outer shell is physically associated with the star.
Research Notes of the American Astronomical Society
- Pub Date:
- September 2020
- Circumstellar matter;
- B supergiant stars;
- Astrophysics - Solar and Stellar Astrophysics
- Res. Notes AAS 4 169 (2020)