Table 2: Abundances ([X/H] = ${\rm log (X/H)}_{\star } - {\rm log (X/H)}_{\odot }$ ) for the A and F dwarfs of the UMa moving group.
HD SpT C I O I Na I Mg I Si I Ca I Sc II Fe I Ni I Y II Ba II

4813 F7IV-V -0.40 -0.19 -0.32 -0.15 -0.04 -0.28 -0.12 -0.12 0.30

6763 F0III-IV 0.03 0.39 0.08 -0.11 0.09 0.13 +0.03 +0.02 0.51

11257 F2V -0.40 -0.42 -0.36 -0.31 -0.42 -0.31 -0.31 -0.15 -0.17 -0.28 -0.14

88355 F7V +0.18 -0.55 -0.10 -0.03 -0.02 +0.08 +0.09 -0.10 0.06

91480 F1V/F1V 0.00 -0.16 -0.21 0.13 -0.10 -0.14 0.02 -0.09 -0.16 -0.05 0.12

111456 F5V 0.00 -0.27 -0.09 -0.10 -0.10 -0.11 + 0.07

113139 F5V 0.00 -0.27 -0.10 -0.10 -0.10 -0.11 + 0.07

139798 F2V 0.00 -0.20 -0.38 -0.51 -0.11 -0.12 -0.66

151044 F8V -0.35 0.00 0.00 0.07 0.10 0.13 0.26

184960 F7V -0.35 -0.12 -0.05 0.01 -0.10 -0.09 0.15

$\langle[{\rm X/H}]\rangle$ -0.07 -0.27 -0.09 -0.10 -0.15 -0.10 -0.11 -0.06 -0.06 -0.14 0.07

$\sigma$ $\pm$ 0.16 $\pm$ 0.20 $\pm$ 0.22 $\pm$ 0.24 $\pm$ 0.16 $\pm$ 0.22 $\pm$ 0.22 $\pm$ 0.10 $\pm$ 0.23 $\pm$ 0.12 $\pm$ 0.35

1404 A2V/A2V -0.10 -0.11 0.27 -0.22 -0.01 -0.16 0.03

6116 A5m -0.57 0.34 -0.07 -0.62 -0.47 +0.13 0.46 0.43

7804 A3V -0.29 -0.11 0.31 -0.01 0.05 -0.07 0.05

12471 A2V -0.23 0.24 0.78 0.09 0.17 0.29 0.69

56537 A3V/A4IV 0.00 0.15 0.00 0.04 0.11 -0.22 -0.09 -0.08

95418 A1V -0.20 +0.35 -0.11 -0.10 -0.24 +0.21 +0.60 +0.72 +1.12

116657 A1m -0.47 0.24 +0.07 -0.53 -0.56 +0.20 0.36 0.54

193592 A2V -0.12 0.08 -0.26 -0.48 -0.40 -0.27 -0.49

206538 A2V -0.03 -0.12 0.11 0.12 -0.07 -0.04

209515 A0IV -0.77 0.32 0.10 -0.68

216627 A3V/A3IV-V -0.39 -0.39 -0.29 -0.01 0.05 -0.17 0.07

222603 A7V/A6IV -0.10 -0.25 0.01 -0.33 -0.12 -0.15 -0.11 -0.19 -0.10 0.07 -0.12

$\langle[{\rm X/H}]\rangle$ -0.15 -0.24 0.16 -0.12 0.09 -0.13 -0.11 -0.03 -0.16 0.40 0.14

$\sigma$ $\pm$ 0.07 $\pm$ 0.25 $\pm$ 0.26 $\pm$ 0.26 $\pm$ 0.24 $\pm$ 0.26 $\pm$ 0.25 $\pm$ 0.21 $\pm$ 0.23 $\pm$ 0.28 $\pm$ 0.40

**Table 2:** Abundances ([X/H] = ${\rm log (X/H)}_{\star } - {\rm log (X/H)}_{\odot }$ ) for the A and F dwarfs of the UMa moving group.
HD	SpT	C I	O I	Na I	Mg I	Si I	Ca I	Sc II	Fe I	Ni I	Y II	Ba II
4813	F7IV-V		-0.40	-0.19	-0.32	-0.15	-0.04	-0.28	-0.12	-0.12		0.30
6763	F0III-IV		0.03	0.39	0.08	-0.11	0.09	0.13	+0.03	+0.02		0.51
11257	F2V	-0.40	-0.42	-0.36	-0.31	-0.42	-0.31	-0.31	-0.15	-0.17	-0.28	-0.14
88355	F7V	+0.18	-0.55	-0.10		-0.03	-0.02		+0.08	+0.09	-0.10	0.06
91480	F1V/F1V	0.00	-0.16	-0.21	0.13	-0.10	-0.14	0.02	-0.09	-0.16	-0.05	0.12
111456	F5V		0.00	-0.27		-0.09	-0.10		-0.10	-0.11		+ 0.07
113139	F5V		0.00	-0.27		-0.10	-0.10		-0.10	-0.11		+ 0.07
139798	F2V		0.00	-0.20		-0.38	-0.51		-0.11	-0.12		-0.66
151044	F8V		-0.35	0.00		0.00	0.07		0.10	0.13		0.26
184960	F7V		-0.35	-0.12		-0.05	0.01		-0.10	-0.09		0.15
$\langle[{\rm X/H}]\rangle$		-0.07	-0.27	-0.09	-0.10	-0.15	-0.10	-0.11	-0.06	-0.06	-0.14	0.07
$\sigma$		$\pm$ 0.16	$\pm$ 0.20	$\pm$ 0.22	$\pm$ 0.24	$\pm$ 0.16	$\pm$ 0.22	$\pm$ 0.22	$\pm$ 0.10	$\pm$ 0.23	$\pm$ 0.12	$\pm$ 0.35
1404	A2V/A2V		-0.10		-0.11	0.27	-0.22	-0.01	-0.16			0.03
6116	A5m		-0.57	0.34		-0.07	-0.62	-0.47	+0.13	0.46		0.43
7804	A3V		-0.29		-0.11	0.31	-0.01	0.05	-0.07			0.05
12471	A2V		-0.23		0.24	0.78	0.09	0.17	0.29			0.69
56537	A3V/A4IV		0.00	0.15	0.00		0.04	0.11	-0.22	-0.09		-0.08
95418	A1V	-0.20	+0.35		-0.11		-0.10	-0.24	+0.21	+0.60	+0.72	+1.12
116657	A1m		-0.47	0.24		+0.07	-0.53	-0.56	+0.20	0.36		0.54
193592	A2V		-0.12	0.08		-0.26	-0.48		-0.40	-0.27		-0.49
206538	A2V		-0.03		-0.12	0.11	0.12	-0.07	-0.04
209515	A0IV		-0.77				0.32		0.10			-0.68
216627	A3V/A3IV-V		-0.39		-0.39	-0.29	-0.01	0.05	-0.17			0.07
222603	A7V/A6IV	-0.10	-0.25	0.01	-0.33	-0.12	-0.15	-0.11	-0.19	-0.10	0.07	-0.12
$\langle[{\rm X/H}]\rangle$		-0.15	-0.24	0.16	-0.12	0.09	-0.13	-0.11	-0.03	-0.16	0.40	0.14
$\sigma$		$\pm$ 0.07	$\pm$ 0.25	$\pm$ 0.26	$\pm$ 0.26	$\pm$ 0.24	$\pm$ 0.26	$\pm$ 0.25	$\pm$ 0.21	$\pm$ 0.23	$\pm$ 0.28	$\pm$ 0.40

Source LaTeX | All tables | In the text

	1 Introduction
	2 Program stars, observations, and data reduction
	3 Chemical abundance analysis
	4 Discussion and conclusion
	References
	Online Material