Analysis of chemical abundances in planetary nebulae with [WC] central stars - I. Line intensities and physical conditions

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Table 1

Object characteristics and log of observations (slit dimensions were always 1′′ × 5′′).

PN G	Object	RA	Dec	Spec T	T_⋆ (kK)	Obs. date	Exp. time	Av. air mass	Comments^a
					kK	yy-mm-dd	s, times x s		ref. for T_⋆

002.2 − 09.4	Cn 1-5	18 29 11.7	−31 29 59	[WO4]pec	<57	09-09-09	30, 2 × 2700	1.07	1
003.1+02.9	Hb 4	17 41 52.8	−24 42 08	[WO3]	86	10-06-05	60, 3 × 1500	1.004	1
300.7 − 02.0	He 2-86	12 30 30.4	−64 52 06	[WC4]		10-06-06	60, 3 × 1200	1.24
004.9+04.9	M 1-25	17 38 30.3	−22 08 39	[WC5]	60	10-06-05	60, 3 × 1200	1.033	2
355.9 − 04.2	M 1-30	17 52 58.9	−34 38 23	wels		10-06-06	60, 3 × 1200	1.008
011.9+04.2	M 1-32	17 56 20.0	−16 29 04	[WC4]pec	66	10-06-06	60, 3 × 1500 (knot)	1.11	1
019.4 − 05.3	M 1-61	18 45 55.1	−14 27 38	wels		10-06-05	10, 30, 60, 2 × 120	1.12
006.8+04.1	M 3-15	17 45 31.7	−20 58 02	[WC4]	55	09-09-09	60, 600, 1800, 2400	1.03	3
307.2 − 03.4	NGC 5189	13 33 33.0	−65 58 27	[WO1]	135	10-06-05	3 × 1800, 120 (knot)	1.253	4
002.4+05.8	NGC 6369	17 29 20.4	−23 45 34	[WO3]	150	10-06-06	60, 3 × 1800 (knot)	1.04	4
336.3 − 06.9	PC 14	17 06 14.8	−52 30 00	[WO4]		10-06-05	60, 3 × 1200	1.15
285.4+01.5	Pe 1-1	10 38 27.6	−56 47 06	[WO4]		10-06-05	60, 900, 2 × 1200	1.15

References.

(1) Tylenda & Stasińska (1994); (2) Leuenhagen et al. (1996); (3) Zhang & Kwok (1993); (4) Koesterke & Hamann (1997).

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