Type II Cepheids in the Milky Way disc - Chemical composition of two new W Virginis stars: DD Vel and HQ Car

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Table 1

Spectroscopic observations of HQ Car and DD Vel.

Star	RA	Dec	V	Epoch	Period	JD	Phase	Spectrograph
	dms	dms	mag	d	d	d

HQ Car	10 20 32.00	−61 14 57.4	11.84	2 452 784.603^a	14.06378^a	2 450 834.86370	0.361	CTIO^c
						2 455 284.65800	0.766	FEROS
						2 456 411.53798	0.891	HARPS
						2 456 412.51417	0.961	HARPS

DD Vel	09 12 09.63	−50 22 33.6	12.18	2 434 746.312^b	13.1948^b	2 454 186.09017	0.291	FEROS^d
						2 454 186.11160	0.292	FEROS^d
						2 454 186.13302	0.294	FEROS^d
						2 454 186.15443	0.296	FEROS^d
						2 454 773.35198	0.798	UVES

Notes.

^(a)

Computed from ASAS photometry.

^(b)

GCVS values.

^(c)

Spectrum used to derive the chemical composition of HQ Car.

^(d)

Spectra coadded and used to derive the chemical composition of DD Vel.

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