Table 1.
Mass estimates of Local Group spirals.
| Object | Mass | Mass type and method | References |
|---|---|---|---|
| M33 | 0.3–0.5 × 1012 M⊙ | Virial DM, Rotation curve | (1),(2) |
| M31 | 1.0–1.6 × 1012 M⊙ | Virial DM, Rotation curve | (3) |
| M31 | 1.0–1.8 × 1012 M⊙ | Total M300kpc, Satellites | (4) |
| M31 | 0.5–2.1 × 1012 M⊙ | Virial DM, Satellites | (5) |
| M31 | 1.6–2.6 × 1012 M⊙ | Virial DM, Streams | (6) |
| M31 | 1.0–1.7 × 1012 M⊙ | Total M200 Globular clus. | (7) |
| M31 | 0.7–0.9 × 1012 M⊙ | Virial DM, Escape velocity | (8) |
| M31 | 2.1–4.3 × 1012 M⊙ | Virial DM, Satellites | (9) |
| MW | 1.1–1.7 × 1012 M⊙ | Virial DM Satellites | (10) |
| MW | 0.3–1.4 × 1012 M⊙ | DM200 Satellites | (11) |
| MW | 1.0–1.4 × 1012 M⊙ | Virial DM Distribution satellites | (12) |
| MW | 1.0–1.5 × 1012 M⊙ | Virial DM Rotation curve | (13) |
| MW | 0.8–1.0 × 1012 M⊙ | Virial DM Rotation curve | (14) |
| MW | 0.7–1.0 × 1012 M⊙ | DM200 Rotation curve | (15) |
| MW | 0.8–1.2 × 1012 M⊙ | DM200 Rotation curve | (16) |
| MW | 0.4–0.7 × 1012 M⊙ | Virial DM Sag. Streams | (17) |
| MW | 0.7–1.2 × 1012 M⊙ | DM200 Escape velocity | (18) |
| MW | 0.6–0.9 × 1012 M⊙ | DM200 Escape velocity | (19) |
| MW | 0.5–1.1 × 1012 M⊙ | Total M, Proper motion GC + RC | (20) |
| MW | 1.1–2.0 × 1012 M⊙ | Virial DM, Spherical Jeans Equation | (21) |
| MW | 0.8–1.3 × 1012 M⊙ | DM200 Distribution halo stars | (22) |
| MW+M31 | 2.6–3.7 × 1012 M⊙ | Timing + other arg. | (23) |
| MW+M31 | 3.4–5.3 × 1012 M⊙ | Timing + other arg. | (24) |
| MW+M31 | 1.6–3.6 × 1012 M⊙ | Matching + Velocities | (25) |
| MW+M31 | 1.4–3.4 × 1012 M⊙ | Matching + Velocities | (26) |
| MW+M31 | 1.3–4.4 × 1012 M⊙ | Matching + Velocities | (27) |
| MW+M31 | 2.8–6.9 × 1012 M⊙ | Likelihood free inference | (28) |
References. (1) Corbelli et al. (2014); (2) Kam et al. (2017); (3) Corbelli et al. (2010); (4) Watkins et al. (2010); (5) Tollerud et al. (2012); (6) Fardal et al. (2013); (7) Veljanoski et al. (2013); (8) Kafle et al. (2018); (9) Patel & Mandel (2023); (10) Watkins et al. (2010); (11) Cautun et al. (2014); (12) Li et al. (2020); (13) McMillan (2011); (14) Huang et al. (2016); (15) Karukes et al. (2020); (16) Cautun et al. (2020); (17) Gibbons et al. (2014); (18) Deason et al. (2019); (19) Necib & Lin (2022); (20) Wang et al. (2022); (21) Fritz et al. (2020); (22) Deason et al. (2021); (23) van der Marel et al. (2012b); (24) Chamberlain et al. (2023); (25) Fattahi et al. (2016); (26) Carlesi et al. (2017); (27) González et al. (2014); (28) Lemos et al. (2021).
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