Table 1.
Comparison table of properties of all the known (to our knowledge) very fast novae thought to originate in symbiotics.
| Object | Mpeak (filter) | t2 | t3 | Donor |
|---|---|---|---|---|
| RS Oph | −8.0 (V) | 7 | 14 | RG |
| V745 Sco | −7.9 (V) | 2 | 4 | RG |
| V1534 Sco | −5.8 (V) | 5.6 | 9.2 | RG |
| T CrB | −6.9 (V) | 4 | 6 | RG |
| V407 Cyg | −9.0 (V) | 5.9 | 24 | Mira |
| M31N 2008-12a | −6.0 (V) | 1.65 | 2.47 | RG |
| V3890 Sgr | −5.2 (V) | 6 | 14 | RG |
| AT2019qyl | −9.2 (V), −9.8 (U) | 3.5 | 10.3 | AGB |
| TUVO-22albb | −9.2 (U) | 3.5 | >8.3 | AGB |
Notes. The data for M31N 2008-12a are from Darnley et al. (2016); for V3890 from Strope et al. (2010); for AT2019qyl from Jencson et al. (2021); for TUVO-22albb from this paper; for all others from Hachisu & Kato (2018) and references therein. As novae magnitudes are usually provided in the Vega system, all magnitudes in this table (including for TUVO-22albb) are given in the Vega system (in contrast with the AB system, which we use for other magnitudes quoted this paper).
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