Table 3
Stream-progenitor groups from the smallest scale selection in the t-SNE latent space.
| Group | Stellar stream(s) | Progenitor(s) | Detection | Discovery |
|---|---|---|---|---|
| SP-1 | Hrid | Pal 2, NGC 7006 | Weak | New |
| SP-2-1 | NGC 6101, Gaia-11 | NGC 6101 | Strong | Ibata et al. (2021) |
| Bianchini et al. (2019), | ||||
| SP-2-2 | Gjöll | NGC 3201 | Strong | Riley & Strigari (2020), Hansen et al. (2020b) |
| SP-3 | Ophiuchus | NGC 5634, NGC 7492 | Weak | New |
| SP-4 | Fjörm | NGC 4590/M 68 | Tentative | Palau & Miralda-Escudé (2019) |
| SP-5 | Svol | NGC 5272/M 3 | Strong | Bonaca et al. (2021), Yang et al. (2023) |
| SP-6 | NGC 1261, NGC 2298 | IC 4499 | None | None |
| SP-7 | NGC 288 | NGC 288 | Strong | Shipp et al. (2018) |
| SP-8 | Fimbulthul | NGC 5139/ω Cen | Strong | Ibata et al. (2019) |
| SP-9 | Jhelum | NGC 5024/M 53 | Tentative | New |
| SP-10 | LMS-1 | NGC 5053 | Strong | Yuan et al. (2020), Malhan et al. (2021) |
| SP-11 | Pal-5, Ravi | Pal 1 | None | None |
| SP-12 | NGC 6397 | NGC 6397 | Strong | Ibata et al. (2021) |
| SP-13 | Tuc-III, | Tucana III | Strong | Drlica-Wagner et al. (2015), Shipp et al. (2018) |
| SP-14 | Elqui | Segue I | Weak | New |
| SP-15 | Indus | NGC 2419 | Weak | New |
| SP-16 | M 92 | NGC 6341/M 92 | Strong | Sollima (2020), Thomas et al. (2020) |
| SP-17 | NGC 2808 | NGC 2808 | Strong | Carballo-Bello et al. (2018), Kundu et al. (2021), Ibata et al. (2021) |
| SP-18 | NGC 1851 | NGC 1851 | Strong | Carballo-Bello et al. (2018), Shipp et al. (2018), Ibata et al. (2021) |
| SP-19 | Slidr | Rup 106 | Weak | New |
| SP-20 | Orphan | Grus II | Strong | Koposov et al. (2019) |
Notes. The detection column summarises the results of the validation of the pairs with a value of strong, tentative, weak, or none, as described in Section 5.3. The discovery column lists the source where the pairing was first described in the literature, or has a value of ’new’ if this is a new association.
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