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Table 1

Spectroscopic observations.

Object Date UT Air App. Exp. T Instrument
mass V mag N × (s)
UJ7 17 Feb 2017 02:00 2.00 19.04 2 × 600 ACAM
HD 28099 17 Feb 2017 00:20 2.13 8.12 1 × 5

UJ7 25 Dec 2016 03:05 1.49 18.11 2 × 600 FoReRo2
HD 86728 25 Dec 2016 03:54 1.09 5.40 1 × 2

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