Morphokinematical study of the planetary nebula Me2-1: Unveiling its point-symmetric and unusual physical structure

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Table 2

Log of the long-slit high-resolution MES spectra of Me 2-1^(a).

Date	Slit PA	Slit width	Binning	Exposure time	Seeing
	(°)	(arcsec)		(s)	(arcsec)
2002 July 17	+90	1	1 × 1	1800	2.6
2004 July 27	−25	2	2 × 2	1200	2.1
	+40	2	2×2	1200	2.1
2004 July 28	+65N (+1″.5 N)^(b)	1	1×1	1200	2.2
	+65	1	1×1	1200	2.1
	+65S (+1″.5 S)^(b)	1	1×1	1200	2.3
2018 March 21	−15E(+2″.3 E)^(b)	1	4×4	900	2.5
	−35	1	4×4	900	2.4

Notes. ^(a)The spectra cover the Hα, [N II]λλ6548, 6583, and He II λ6560 emission lines, except that at PA −35° that covers the [O III]λ5007 emission line. ^(b)Displacement and direction of the slit from the center of the nebula.

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