Table 1: List of the observed A and F dwarfs: 6 are confirmed members of the UMa moving group and 16 are probable/possible members in King et al. (2003). Spectral types are from Gray & Garrison (1987, 1989a,b) or from SIMBAD.
HR HD Type m_V $T_{\rm eff}$ $\log g$ $v_{\rm e} \sin i$ $\xi_{t}$ Membership Comments

(K) ( $\rm km ~s^{-1}$ ) ( $\rm km ~s^{-1}$ )

$235^{\dagger}$ 4813 F7IV-V 5.17 6229 4.43 6 1.0 ?

330 6763 F0III-IV 5.51 6922 4.00 85 1.9 ?

534 11257 F2V 5.92 7005 4.05 17 2.3 ?

3998 88355A F7V 6.43 6596 4.32 19 1.5 ? binary

4141 91480 F1V/F1V 5.16 7018 4.30 39 2.0 Y nucleus

111456 F5V 5.84 6417 4.59 37 1.5 Y nucleus

113139 F5V 4.93 6927 4.20 103 1.5 Y nucleus

5830 139798 F2V 5.76 6782 4.23 68 3.8 ?

151044 F8V 6.48 6298 4.61 8.4 0.9 ?

7451 184960 F7V 5.71 6392 4.30 9.8 1.4 Y?

68 1404 A2V/A2V 4.51 8948 3.99 125 3.0 ?

290 6116A A5m 5.95 8073 3.93 34 5.0 ? binary

378 7804 A3V 5.13 8731 3.78 124 4.0 Y

599 12471A A2V 5.50 9299 3.76 121 3.0 ? binary

2763 56537A A3V/A4IV 3.58 8482 3.91 156 4.0 ? SB

95418 A1 V 2.35 9600 3.83 46 2.5 Y nucleus

116657 A1m 3.86 8425 4.40 61 3.5 Y nucleus

7781 193592A A2V 5.76 8274 4.18 27 4.5 ? binary

8291 206538A A2V 6.07 8792 3.60 165 3.0 ? binary

8407 209515A A0IV 5.57 10 073 3.74 64 2.5 ?

8709 216627 A3V/A3IV-V 3.27 8657 3.56 81 3.6 Y?

8984 222603 A7V/A6IV 4.49 7964 4.03 56 5.1 ?

**Table 1:** List of the observed A and F dwarfs: 6 are confirmed members of the UMa moving group and 16 are probable/possible members in King et al. (2003). Spectral types are from Gray & Garrison (1987, 1989a,b) or from SIMBAD.
HR	HD	Type	m_V	$T_{\rm eff}$	$\log g$	$v_{\rm e} \sin i$	$\xi_{t}$	Membership	Comments
				(K)		( $\rm km ~s^{-1}$ )	( $\rm km ~s^{-1}$ )
$235^{\dagger}$	4813	F7IV-V	5.17	6229	4.43	6	1.0	?
330	6763	F0III-IV	5.51	6922	4.00	85	1.9	?
534	11257	F2V	5.92	7005	4.05	17	2.3	?
3998	88355A	F7V	6.43	6596	4.32	19	1.5	?	binary
4141	91480	F1V/F1V	5.16	7018	4.30	39	2.0	Y	nucleus
	111456	F5V	5.84	6417	4.59	37	1.5	Y	nucleus
	113139	F5V	4.93	6927	4.20	103	1.5	Y	nucleus
5830	139798	F2V	5.76	6782	4.23	68	3.8	?
	151044	F8V	6.48	6298	4.61	8.4	0.9	?
7451	184960	F7V	5.71	6392	4.30	9.8	1.4	Y?
68	1404	A2V/A2V	4.51	8948	3.99	125	3.0	?
290	6116A	A5m	5.95	8073	3.93	34	5.0	?	binary
378	7804	A3V	5.13	8731	3.78	124	4.0	Y
599	12471A	A2V	5.50	9299	3.76	121	3.0	?	binary
2763	56537A	A3V/A4IV	3.58	8482	3.91	156	4.0	?	SB
	95418	A1 V	2.35	9600	3.83	46	2.5	Y	nucleus
	116657	A1m	3.86	8425	4.40	61	3.5	Y	nucleus
7781	193592A	A2V	5.76	8274	4.18	27	4.5	?	binary
8291	206538A	A2V	6.07	8792	3.60	165	3.0	?	binary
8407	209515A	A0IV	5.57	10 073	3.74	64	2.5	?
8709	216627	A3V/A3IV-V	3.27	8657	3.56	81	3.6	Y?
8984	222603	A7V/A6IV	4.49	7964	4.03	56	5.1	?

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