CO emission and variable CH and CH+ absorption towards HD 34078: evidence for a nascent bow shock?

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Volume 501 / No 1 (July I 2009)

A&A, 501 1 (2009) 221-237

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Table 2:

List of observations and measured CH and CH⁺ equivalent widths (in mÅ; uncertainties as estimated in Sect. 3.2.1 are given in upper index).
Epoch	Observatory	R^a	W₄₃₀₀(CH) [mÅ]	W₄₂₃₂(CH⁺)	W₄₃₀₀(CH)	N(CH)^c	N( CH⁺)^c
			HD 34078		$\zeta~{\rm Per}$	HD 34078
2002.73			57.35^0.92	47.30^1.51	--	0.97^0.02	0.69^0.02
2003.15			54.06^0.76	44.50^1.19	15.05^0.39	0.89^0.01	0.63^0.02
2003.71			52.36^0.93	46.44^1.30	16.22^0.46	0.85^0.02	0.67^0.02
2003.96			55.54^1.77	--	15.26^0.58	0.92^0.03	--
2004.15	OHP/ELODIE^b	32 000	51.94^0.81	46.66^1.30	16.22^0.99	0.84^0.01	0.67^0.02
2004.88			54.70^1.20	--	--	0.90^0.02	--
2005.72			51.30^0.90	45.36^1.40	15.16^0.64	0.82^0.01	0.65^0.02
2006.11			48.97^0.95	42.01^1.40	--	0.77^0.01	0.58^0.02
2006.71			54.91^0.32	44.23^0.52	15.98^0.13	0.909^0.005	0.623^0.007
2007.14	OHP/SOPHIE	75 000	51.00^0.51	41.30^0.45	16.01^0.26	0.815^0.008	0.563^0.006
2007.67			53.30^0.36	45.33^0.47	16.05^0.13	0.869^0.006	0.646^0.007
2008.10			54.16^0.30	48.29^0.43	16.22^0.15	0.890^0.005	0.710^0.006
2003.00			55.50^0.28	44.78^0.45	15.80^0.14	0.880^0.004	0.632^0.006
2004.02			52.10^0.32	47.00^0.51	14.90^0.36	0.816^0.005	0.672^0.007
2004.76			50.80^0.69	--	15.70^0.29	0.816^0.01	--
2004.98	McDonald	170 000	53.10^0.33	47.30^0.57	15.70^0.18	0.843^0.005	0.697^0.008
2005.81			49.00^0.26	44.90^0.60	16.00^0.08	0.763^0.004	0.636^0.009
2005.99			49.90^0.22	43.50^0.60	16.15^0.11	0.774^0.003	0.613^0.008
2007.02			53.20^0.40	42.70^0.42	15.88^0.18	0.832^0.006	0.595^0.006
2008.00			54.34^1.08	47.88^1.64	15.74^0.15	0.90^0.02	0.68^0.02
2004.10	BOAO	30 000	52.50^0.45	--	--	0.850^0.007	--
2004.18	BOAO-Terskol	30 000-120 000	50.67^0.35	--	--	0.807^0.006	--
2006.77	BOAO	45 000	54.60^0.62	44.40^0.60	--	0.90^0.01	0.627^0.008
2004.65	Terskol	120 000	55.00^0.45	--	--	0.911^0.007	--
2007.18	Calar Alto	40 000	52.15^0.88	41.80^0.95	--	0.84^0.02	0.57^0.01

^a Resolution near CH $\lambda$ 4300. ^b W₄₃₀₀(CH) and W₄₂₃₂(CH⁺) values from OHP/ELODIE spectra have been corrected by +6% and +8% respectively (see text). ^c Column densities in units of 10¹⁴ cm^-2, measured directly from line profiles for high resolution spectra (McDonald) or computed from W values using Eqs. (1) and (2) for other data.

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