Quasi-Periodic Eruptions (QPEs) in GSN 069
Abstract
We have recently reported on the discovery of a new X-ray variability pattern from the nucleus of the galaxy GSN~069, dubbed as Quasi-Periodic Eruptions, or QPEs (Miniutti et al. 2019, Nature, 573, 381). We propose here for further XMM-Newton observations to better characterize this newly-discovered variability pattern. Ideally, our observations will be complemented with 2 HST orbits with the goals of: i) deriving the optical to X-ray SED of GSN~069; ii) search for possible blue point sources other than the galactic nucleus in comparison with our Chandra data; iii) study the morphology of the poorly known host galaxy; iv) study the spatially-resolved structure of the narrow-line-region in [O~III].
- Publication:
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HST Proposal
- Pub Date:
- January 2020
- Bibcode:
- 2020hst..prop16062M