Table A.1
Velocities in cylindrical Galactocentric coordinates and dynamical orbital parameter values of HdC stars
| Name | Vr km s−1 | Vφ km s−1 | Vɀ km s−1 | Lɀ kpc km s−1 | e | Rperi kpc | Rapo kpc | Zmax kpc |
|---|---|---|---|---|---|---|---|---|
| Known Galactic RCB stars | ||||||||
| ASAS-RCB-3 | -100.1±20.0 | 253.2±1.9 | -3.7±1.8 |  |
 |
 |
 |
 |
| ASAS-RCB-8 | -79.8±24.6 | 202.2±26.2 | -87.6±9.2 |  |
 |
 |
 |
 |
| ASAS-RCB-10★ | -94.7±1.4 | 35.8±36.4 | -90.3±16.9 |  |
 |
 |
 |
 |
| C105 | 53.6±1.3 | 160.5±31.9 | -74.3±14.0 |  |
 |
 |
 |
 |
| DY Cen | 3.1±16.8 | 210.5±34.8 | 37.1±3.3 |  |
 |
 |
 |
 |
| FH Sct | -57.1 ±24.6 | 212.4±29.4 | -93.1±13.7 |  |
 |
 |
 |
 |
| GU Sgr | 54.6±5.0 | 195.8±4.2 | -34.1±5.1 |  |
 |
 |
 |
 |
| HD 175893★ | -40.8±3.0 | 198.5±4.3 | -47.7±3.1 |  |
 |
 |
 |
 |
| MV Sgr | -52.9±28.2 | −48.6±37.7 | 46.9±4.2 |  |
 |
 |
 |
 |
| RS Tel | -0.8±5.0 | 81.8±17.4 | -0.9±1.5 |  |
 |
 |
 |
 |
| RT Nor | 14.5±5.0 | 183.1 ±17.3 | -21.1±3.7 |  |
 |
 |
 |
 |
| RY Sgr | 33.8±4.8 | 263.1±0.9 | -47.8±3.1 |  |
 |
 |
 |
 |
| S Aps | 19.2±3.9 | 241.0±11.1 | 53.2±2.7 |  |
 |
 |
 |
 |
| SV Sge | 33.4±4.1 | 222.5±3.0 | 26.9±0.8 |  |
 |
 |
 |
 |
| U Aqr | 129.7±14.3 | 148.2±3.9 | -142.6±12.0 |  |
 |
 |
 |
 |
| UV Cas | 45.1±0.2 | 216.4±1.2 | 3.5±0.2 |  |
 |
 |
 |
 |
| UW Cen | 26.3±6.1 | 223.3±14.4 | -38.7±3.9 |  |
 |
 |
 |
 |
| V2552 Oph | -89.2±5.0 | 168.8±4.1 | -115.0±6.4 |  |
 |
 |
 |
 |
| V482 Cyg | -11.0±2.3 | 199.7±2.2 | -19.4±0.8 |  |
 |
 |
 |
 |
| V532 Oph | -31.8±6.2 | -3.3±37.2 | 5.5±0.7 |  |
 |
 |
 |
 |
| VZ Sgr | -268.9±5.6 | 80.2±31.6 | 96.4±14.8 |  |
 |
 |
 |
 |
| WISE J172447.52-290418.6 | 59.3±9.5 | 109.1±22.2 | -59.9±8.4 |  |
 |
 |
 |
 |
| WISE J172951.80-101715.9★ | -3.4±11.8 | -29.6±31.7 | -17.4±0.8 |  |
 |
 |
 |
 |
| WISE J174119.57-250621.2★ | -202.0±21.3 | -103.5±65.5 | 14.1±0.8 |  |
 |
 |
 |
 |
| WISE J174851.29-330617.0★ | 136.8±13.2 | -92.7±76.0 | 4.2±1.8 |  |
 |
 |
 |
 |
| WISE J175107.12-242357.3★ | 129.2±5.1 | 135.5±16.4 | 24.3±4.0 |  |
 |
 |
 |
 |
| WISE J175521.75-281131.2 | 69.9±5.1 | 145.5±22.0 | 117.9±25.0 |  |
 |
 |
 |
 |
| WISE J175749.76-075314.9 | -21.2±22.6 | 80.8±17.1 | 52.7±5.3 |  |
 |
 |
 |
 |
| WISE J184158.40-054819.2 | -53.1±5.9 | 214.5±23.5 | -62.8±10.5 |  |
 |
 |
 |
 |
| WISE J185525.52-025145.7 | -5.2±40.6 | 175.4±29.4 | 9.3±1.0 |  |
 |
 |
 |
 |
| XX Cam | 27.0±0.4 | 233.1±0.4 | 3.0±0.1 |  |
 |
 |
 |
 |
| Y Mus | 11.6±3.8 | 165.3±9.0 | -45.6±3.0 |  |
 |
 |
 |
 |
| Known Galactic dLHdC stars | ||||||||
| A182★ | -30.8±1.2 | 153.1±11.5 | 16.5±1.2 |  |
 |
 |
 |
 |
| A183★ | 8.6±0.5 | 113.7±5.6 | -122.5±5.2 |  |
 |
 |
 |
 |
| A223 | -53.2±2.3 | 146.7±14.5 | -51.5±4.6 |  |
 |
 |
 |
 |
| A226 | 85.7±9.9 | 120.0±8.1 | -40.0±4.3 |  |
 |
 |
 |
 |
| A249 | -57.3±2.2 | 138.3±11.7 | 14.0±2.7 |  |
 |
 |
 |
 |
| A770 | 5.0±14.7 | 186.5±20.7 | 51.2±9.8 |  |
 |
 |
 |
 |
| A811 | 67.9±5.0 | 126.7±7.3 | 14.1±0.7 |  |
 |
 |
 |
 |
| A814 | -46.6±19.0 | 256.9±39.9 | 32.1±3.2 |  |
 |
 |
 |
 |
| A977 | 124.0±5.0 | 190.0±4.2 | -37.9±4.2 |  |
 |
 |
 |
 |
| A980 | -26.4±24.2 | 263.2±31.8 | -40.7±9.7 |  |
 |
 |
 |
 |
| B42 | 9.2±2.1 | 177.8±9.6 | -57.0±9.2 |  |
 |
 |
 |
 |
| B563 | 139.5±5.0 | 73.3±15.8 | -36.3±2.4 |  |
 |
 |
 |
 |
| B564 | 19.5±15.6 | 55.7±23.0 | 127.0±13.8 |  |
 |
 |
 |
 |
| B565 | -33.2±10.4 | 86.2±23.1 | -29.3±5.2 |  |
 |
 |
 |
 |
| B566 | -14.2±6.0 | 26.5±30.5 | -34.4±5.6 |  |
 |
 |
 |
 |
| B567 | 112.8±5.3 | 144.2±9.0 | -38.2±6.1 |  |
 |
 |
 |
 |
| C17 | -127.8±17.1 | 124.1 ±46.8 | 157.6±24.4 |  |
 |
 |
 |
 |
| C20★ | 19.8±20.5 | 147.7±29.6 | -24.7±7.3 |  |
 |
 |
 |
 |
| C27 | -17.8±30.5 | 128.9±31.9 | -94.3±13.5 |  |
 |
 |
 |
 |
| C38 | −32.4±24.0 | 128.9±19.0 | 11.7±2.1 |  |
 |
 |
 |
 |
| C526 | -59.1±14.2 | 196.3±30.6 | -22.9±4.4 |  |
 |
 |
 |
 |
| C528 | 17.7±15.3 | 114.0±17.9 | -42.0±5.0 |  |
 |
 |
 |
 |
| C539 | 8.2±29.3 | -92.6±11.7 | 80.0±9.4 |  |
 |
 |
 |
 |
| C542 | 32.6±27.2 | 185.5±34.0 | -43.7±8.7 |  |
 |
 |
 |
 |
| HD 137613 | -83.6±1.8 | 184.3±1.4 | 8.6±1.4 |  |
 |
 |
 |
 |
| HD 148839⋆ | -4.0±1.8 | 210.5±1.7 | 29.3±0.7 |  |
 |
 |
 |
 |
| HD 173409 | 56.9±2.0 | 221.5±0.6 | -9.5±1.1 |  |
 |
 |
 |
 |
| HD 182040 | 46.2±1.8 | 244.7±0.9 | -6.8±0.6 |  |
 |
 |
 |
 |
| M38 | 47.3±2.3 | 205.1 ±27.8 | -20.4±3.0 |  |
 |
 |
 |
 |
| P12 | -58.1±17.7 | 154.7±19.5 | -99.6±17.8 |  |
 |
 |
 |
 |
⋆ Other names used in Philip Monai et al. (2024):
A182 = C* 2277, A183 = SOPS IV e-67, ASAS-RCB-10 = ASAS J171710-2043.3, C20 = C* 2891, HD 175893 = V4152 Sgr, HD 148839 = LV TrA, WISE J172951.80-101715.9 = AC Ser,
WISE J174119.57-250621.2 = UCAC4 325-115052, WISE J174851.29-330617.0 = 2MASS J17485129-3306172, WISE J175107.12-242357.3 = 2MASS J17510712-2423573.
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