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Table 1
Basic data for the programme stars.
| Star name | RA(2000) | Dec(2000) | B | V | J | H | K | Exposure | Date of Obs. | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| (s) | of spectrum | |||||||||
| HD 145777 | 16 13 13.87 | −15 12 01.25 | 11.55 | 10.31 | 7.73 | 7.07 | 6.84 | 2400 | 01-06-2017 | HESP |
| CD−27 14351 | 19 53 08.00 | −27 28 14.97 | 11.82 | 9.70 | 7.02 | 6.30 | 6.14 | 1200 | 14-07-2000 | FEROS |
| HE 0017+0055 | 00 20 21.60 | +01 12 06.81 | 12.99 | 11.66 | 9.31 | 8.70 | 8.50 | 2700 | 21-09-2017 | HESP |
| HE 2144−1832 | 21 46 54.66 | −18 18 15.59 | 12.65 | 10.97 | 8.77 | 8.18 | 7.96 | 2700 | 08-11-2017 | HESP |
| HE 2339−0837 | 23 41 59.93 | −08 21 18.61 | 15.32 | 14.00 | 12.63 | 12.11 | 12.03 | 900 | 27-06-2004 | SUBARU/HDS |
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