Table 11
TESS observations of all UCDs studied in this article, υ • sin i measurements retrieved from the literature and the computed inclination.
| Object | TIC ID | NTESS(a) | Prot | Ref. | Flares | υ sin i(c) | i |
|---|---|---|---|---|---|---|---|
| (days) | (km s–1) | (deg) | |||||
| UCDs with new X-ray/radio campaigns | |||||||
| 2MJ0752 | 17773418 | 3 | 0.8840±0.0022 | (1) | ✓ | 9.0±2.0 | 47.3±14.7 |
| 2MJ0351 | 401945077 | 1 | 0.7288±0.0002 | (1) | – | 6.5±2.0 | 38.3±14.5 |
| 2MJ1757 | 219095664 | 26 | 0.1622±0.0002 | (1) | ✓ | 34.6±2.6 | 41.5±5.8 |
| 2MJ0440 | 298907057 | 2 | 0.4975±0.0059 | (1) | ✓ | 17.9±1.4 | υ sin i > υrot |
| 2MJ0306 | 308243298 | 4 | 0.2947±0.0003(b) | (1) | – | 20.4±2.0 | 83.9±72.0 |
| 2MJ0838 | 44984200 | 9 | 0.1130±0.0001 | (1) | ✓ | .. | .. |
| 2MJ0435 | 117733581 | 2 | 0.6255±0.0045 | (1) | ✓ | 12.1±3.0 | υ sin i > υrot |
| 2MJ0652 | 53603145 | 3 | 0.2095±0.0002 | (1) | – | .. | .. |
| 2MJ0215 | 70555405 | 2 | 0.7025±0.0016 | (1) | ✓ | .. | .. |
| 2MJ1055 | 277539431 | 4 | 0.1901±0.0001 | (1) | ✓ | .. | .. |
| Literature UCD sample | |||||||
| 2MJ0036 | .. | .. | 0.12 | (2) | .. | 40.0±2.0 | 62.2±15.0 |
| 2MJ0523 | 442929628 | 3 | <0.09 | (2) | – | 18.0±2.0 | .. |
| 2MJ0602 | .. | .. | <0.14 | (2) | .. | 9.0±3.0 | .. |
| 2MWJ1507 | .. | .. | <0.05 | (2) | .. | 30.0±2.3 | .. |
| BRI0021-0214 | 244167275 | 2 | 0.17 | (2) | – | 34.2±1.6 | 76.0±25.0 |
| DENIS J1048 | 107012050 | 3 | 0.2540±0.0004 | (1) | ✓ | 18.0±2.0 | 65.0±17.9 |
| Gl 569 B | 258105174 | 1 | <0.40 | (2) | ✓ | 19.3±2.0 | .. |
| Kelu 1 | 229255770 | 1 | 0.07 | (2) | – | 60.9±1.9 | 41.0±6.0 |
| LHS2065 | .. | .. | <0.45 | (2) | .. | 11.3±1.1 | .. |
| LP 349-25 | .. | .. | 0.07 | (2) | .. | 55.0±2.0 | 23.9±2.4 |
| LP 412-31 | .. | .. | 0.61 | (2) | .. | 14.8±2.0 | υ sin i > υrot |
| LP 944-20 | 143029977 | 2 | 0.1598±0.0003 | (1) | – | 28.9±0.8 | υ sin i > υrot |
| LSR J1835 | .. | .. | 0.11 | (2) | .. | 43.9±2.2 | 71.1 ±17.5 |
| TVLM513 | 311188315 | 1 | 0.08 | (2) | – | 59.2±2.0 | υ sin i > υrot |
| vB 10 | .. | .. | <0.80 | (2) | .. | 6.5±2.0 | .. |
| vB 8 | .. | .. | <0.66 | (2) | .. | 9.0±2.0 | .. |
Notes. For 7 literature targets we calculated the upper limits from the υ sin i measurements given by Crossfield (2014). (a)Number of sectors in which TESS observed the UCD. (b)Marginal period detection (see text in Sect. 3.3). (c)υ sin i measurements from Crossfield (2014), except for the value for 2MJ0752 that comes from Hughes et al. (2021).
References. (1) This work, (2) Crossfield (2014).
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