Discovery and physical characterization as the first response to a potential asteroid collision: The case of 2023 DZ2

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Table 3

Observational circumstances for the detection of 2023 DZ₂.

Field name	Date	UT start	UT end	Nexp	AM	Seeing
n1o1	27-Feb.-2023	22:21	23:31	12	1.02	1.5
E309252	28-Feb.-2023	22:14	22:28	12	1.01	1
E309252	01-Mar.-2023	22:46	22:00	12	1.02	1.1

Notes. The date and Universal Time (UT) for the beginning and for the end of the observing set, the number of exposures (NExp), the mid-observation airmass (AM), and the median seeing (Seeing) in arcseconds are shown.

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