Homogeneous metallicities and radial velocities for Galactic globular clusters - First CaT metallicities for twenty clusters

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Volume 540 (April 2012)

A&A, 540 (2012) A27

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Table 2

Radial velocities.

Cluster	N	⟨v_R⟩ ± err		⟨v_R⟩ ± err		Δv_R^a
		km s^-1		km s^-1		km s^-1
				H10

a) metal-poor standard clusters

M 4	15	72	6	70.7	0.2	1.3
M 10	13	86	2	75.2	0.7	10.8
NGC 6397	16	12	3	18.8	0.1	−6.8
M 71	11	−25	4	−22.8	0.2	−2.2
M 15	18	−111	5	−107.2	0.2	−4.0
NGC 3201	17	486	4	494.0	0.2	−8.0

b) metal − poor program clusters
Pyxis	8	42	4	34.3	1.9	7.6
NGC 2808	17	91	4	101.6	0.7	−10.6
Rup106	9	−39	4	−44.0	3.0	5.0
NGC 5824	17	−11	2	−27.5	1.5	16.5
Lynga 7	9	22	3	8.0	5.0	8.0
NGC 6139	15	34	4	6.7	6.0	27.3
Terzan 3	13	−131	4	−136.3	0.7	5.3
NGC 6325	10	28	2	29.8	1.8	−1.8
HP1^b	8	41	4	45.8	0.7	−4.8
NGC 6558	5	−198	4	−197.2	1.6	−0.8
Pal 7	14	164	3	155.7	1.3	8.3
NGC 6569	7	−47	3	−28.1	5.6	−18.9
M 22	51	−150	2	−146.3	0.2	−3.7
M 54	19	137	2	141.9	0.5	−4.3
NGC 7006	20	−379	1	−384.1	0.4	5.1


c) metal − rich standard clusters
NGC 6528	4	205	2	206.6	1.4	−1.6
NGC 6553	18	−9	4	−3.2	1.5	−5.8

d) metal − rich program clusters
NGC 6356	12	67	4	27.0	4.0	39.0
NGC 6380	9	7	3	−3.6	2.5	10.6
NGC 6440	8	−76	4	−76.6	2.7	1.6
NGC 6441	7	18	4	16.5	1.0	1.5
Ter7	14	154	3	166.0	4.0	−12.0

Notes.

^(a)

Δv_R is in the sense FORS2-H10.

^(b)

HP1: the difference listed is with respect to the heliocentric velocity given by Barbuy et al. (2006), which we give in lieu of the Harris catalog value. It appears the catalog lists the uncorrected observed value.

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