Novae, Supernovae and Kilonovae

We investigate the properties of some classes of transient objects such as galactic and extragalactic Novae, Supernovae and Kilonovae. Particularly our research focuses on:

Fig. 1. The maximum magnitude vs. rate of decline relationship
for Novae in galaxies of different Hubble type.
• Nova populations (disk and bulge novae).
• Novae as distance indicators.
• Novae as contributors to the galactic nucleosynthesis of the respective host galaxies.
• Novae and related objects (e.g. Recurrent Novae, Symbiotics) as progenitors of Supernovae of Ia type.
• Evolution of Supernovae of different spectroscopic types.
• Search and study of optical kilonovae.

Group leader: Prof. Massimo della Valle


1. Observations of Galactic and Extragalactic Novae, Della Valle, M. & Izzo, L. 2020, Invited review article for The Astronomy and Astrophysics Review. 114 pages, 17 tables, 57 figures 2020, arXiv:200406540D

2. Constraining the fraction of core-collapse supernovae harbouring choked jets with high-energy neutrinos, Guetta et al. 2020, MNRAS, 492, 843

3. Beryllium detection in the very fast nova ASASSN-16kt (V407 Lupi), Izzo et al. 2019, Monthly Notices of the Royal Astronomical Society, Volume 478, Issue 2, p.1601-1610

4. Search for 7^Be in the outbursts of four recent novae, Molaro et al. 2020, Monthly Notices of the Royal Astronomical Society, Volume 492, Issue 4, p.4975-4985

5. DES16C3cje: A low-luminosity, long-lived supernova, Gutierez et al. 2020, arXiv:200111559G

6. GRB 171010A/SN 2017htp: a GRB-SN at z = 0.33, Melandri et al. 2019, MNRAS, 490, 5366

7. The Spectral Evolution of AT 2018dyb and the Presence of Metal Lines in Tidal Disruption Events, Leloudas, G. et al. 2019, ApJ, 887, 218L

8. Evidence for a Chandrasekhar-mass explosion in the Ca-strong 1991bg-like type Ia supernova 2016hnk, Galbany et al. 2019, A&A, 630, 76

9. Signatures of a jet cocoon in early spectra of a supernova associated with a γ-ray burst, Izzo et al. 2019, Nature, 565, 324

10. GW170817: implications for the local kilonova rate and for surveys from ground-based facilities, Della Valle et al. 2018, MNRAS, 481, 4355