Linear polarization study of open clusters in the anticenter direction: Signature of the spiral arms

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Table 1

Observation log for open clusters observed in the anticenter direction from AIMPOL along with the distance to the respective cluster (Hunt & Reffert 2023).

Cluster	RAJ2000	DecJ2000	Obs. date	Exposure time^(*)	Distance
	(deg)	(deg)		(s)	(kpc)
Kronberger 1	82.089	34.777	Oct. 23, 2022	60, 30, 10	2.12
Berkeley 69	81.090	32.607	Oct. 22, 2022	60, 20, 01	3.18
Berkeley 71	85.233	32.272	Oct. 19, 2022	60, 30	3.50
King 8	87.324	33.633	Oct. 23, 2022	75, 60, 30	4.79
Berkeley 19	81.014	29.575	Oct. 21, 2022	75, 60	5.25

Notes.^(*) The exposure time (in seconds) set at each position of HWP. Multiple exposure times were used to cover bright and faint stars.

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