Table 1
Observation log of VLT/X-shooter observations in the η Cha association.
| Object | RA(J2000) | Dec(J2000) | Obs. date | Mode | Exp. (UVB) | Exp. (VIS) | Exp. (NIR) |
| [UTC] | [s] | [s] | [s] | ||||
|
|
|||||||
| ECHA J0836.2-7908 (J0836) | 8 36 10.27 | −79 08 17.65 | 2010-01-20 | NOD | 800 | 790 | 780 |
| RECX 1 | 8 36 55.77 | −78 56 45.71 | 2010-01-18 | NOD | 48 | 20 | 40 |
| ECHA J0838.9-7916 (J0838) | 8 38 50.65 | −79 16 13.66 | 2010-01-18 | NOD | 200 | 180 | 200 |
| ECHA J0841.5-7853 (J0841) | 8 41 29.24 | −78 53 03.45 | 2010-01-19 | NOD | 360 | 388 | 388 |
| RECX 3 | 8 41 36.46 | −79 03 27.97 | 2010-01-20 | NOD | 220 | 240 | 240 |
| RECX 4 | 8 42 23.07 | −79 04 00.60 | 2010-01-18 | NOD | 100 | 90 | 80 |
| RECX 5 | 8 42 26.37 | −78 57 44.48 | 2010-01-19 | NOD | 120 | 96 | 120 |
| RECX 6 | 8 42 38.71 | −78 54 41.97 | 2010-01-20 | NOD | 170 | 180 | 180 |
| RECX 7 | 8 43 07.19 | −79 04 50.84 | 2010-01-20 | STARE | 55 | 60 | 60 |
| ECHA J0843.3-7915 (J0843) | 8 43 17.24 | −79 05 16.74 | 2010-01-18 | NOD | 100 | 90 | 100 |
| ECHA J0844.2-7833 (J0844) | 8 44 08.61 | −78 33 45.25 | 2010-01-18 | NOD | 460 | 480 | 460 |
| RECX 9 | 8 44 15.65 | −78 59 05.43 | 2010-01-19 | NOD | 240 | 60 | 240 |
| RECX 10 | 8 44 30.81 | −78 46 29.02 | 2010-01-19 | NOD | 100 | 90 | 100 |
| RECX 11 | 8 47 01.25 | −78 59 34.02 | 2010-01-18 | NOD | 50 | 30 | 40 |
| RECX 12 | 8 47 55.72 | −78 54 52.74 | 2010-01-19 | NOD | 100 | 120 | 120 |
Notes. Column 1 lists the names of all objects in the observed sample. Abbreviations used in this work are given in parentheses. The observations were carried out in “NODDING” (NOD) or “STARE” mode with the 1″ × 11″ slit in the UVB arm and 
slits in both VIS and NIR arm. The exposure time (Exp.) for each arm is given in the last three columns. Complementary broad slit observations in “STARE” mode used the 5″ × 11″ slits for UVB and VIS arm, and the 
slit for the NIR arm (except for targets J0836, RECX 3, RECX 6, and RECX 7, for which a slit of 5″ × 11″ was used in the NIR arm).
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