Symbiotic Nova (Mira) HM Sge: dimming

[Francois Teyssier]

A RNASS note:

Dimming of the Symbiotic Mira HM Sge

https://iopscience.iop.org/article/10.3 ... 172/ac8808

HM Sge shows a very nice emission lines spectrum, looking like a PN

Last spectrum in the database (https://aras-database.github.io/database/hmsge.html),secured by Pavol Dubovsky:

asdb_hmsge_20210717_937.png (35.33 KiB) Viewed 7016 times

New spectra are welcome to document the dimming detected by Goldman+

François Teyssier