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Table 2
Log of the spectroscopic observations.
| α (J2000) | δ (J2000) | Date | UT | t exp | |
| (h:m:s) | (°: ′ : ′′) | (d/m/y) | (h:m:s) | (s) | |
|
|
|||||
| BD−21 1074A | |||||
|
|
|||||
| 05:06:49.91 | −21:35:09.1 | 10/01/2013 | 03:48:12 | 900 | |
| 05:06:49.91 | −21:35:09.1 | 13/01/2013 | 03:39:00 | 900 | |
|
|
|||||
| BD−21 1074B | |||||
|
|
|||||
| 05:06:49.46 | −21:35:03.8 | 10/01/2013 | 03:29:56 | 900 | |
| 05:06:49.46 | −21:35:03.8 | 11/01/2013 | 03:21:53 | 900 | |
| 05:06:49.46 | −21:35:03.8 | 13/01/2013 | 03:20:38 | 900 | |
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