\begin{table}%t2
%\centering
\par
\caption{\label{ref_activity}Inactive stars used as references in the subtraction technique to measure chromospheric activity.}
\par
\begin{tabular}{l l l l l l l l l l l l}
\hline\hline \noalign{\smallskip}
\multicolumn{1}{c}{HIP}& SpT & \multicolumn{1}{c}{$B-V$} & $v \sin{i}$ & Obs.\tablefootmark{1} & \multicolumn{1}{c}{$\log{(F_{\rm H} + F_{\rm K})}$} &
\multicolumn{1}{c}{HIP}& SpT & \multicolumn{1}{c}{$B-V$} & $v$~$\sin{i}$ & Obs.\tablefootmark{1} & \multicolumn{1}{c}{$\log{(F_{\rm H} + F_{\rm K})}$}\\
& & & (km~s$^{-1}$) & &\multicolumn{1}{c}{(erg~cm$^{\rm -2}$~s$^{\rm -1}$)} &&&& (km~s$^{-1}$) &  & \multicolumn{1}{c}{(erg~cm$^{\rm -2}$~s$^{\rm -1}$)}\\
\hline
37279	&	F5V	&	0.420	&	5.38	&	Mc	&	0.76\tablefootmark{a}	&	8102	&	G8V	&	0.730	&	8.00	&	Mc	&	0.15\tablefootmark{a}, 0.14\tablefootmark{d}	\\
910	&	F5V	&	0.489	&	4.88	&	S	&	...	&	79492	&	G8V	&	0.756	&	2.68	&	FO	&	0.12\tablefootmark{a}, 0.11\tablefootmark{d}	\\
78072	&	F6IV	&	0.480	&	11.42	&	FO	&	0.57\tablefootmark{a}	&	95319	&	G8V	&	0.805	&	0.60	&	FO	&	--0.05\tablefootmark{a}, 0.01\tablefootmark{d}	\\
22449	&	F6V	&	0.475	&	19.22	&	Mc	&	0.71\tablefootmark{a,d}	&	101997	&	G8V	&	0.730	&	3.50	&	S	&	0.16\tablefootmark{d}	\\
40035	&	F7V	&	0.495	&	11.26	&	S	&	...	&	47080	&	G8V	&	0.779	&	6.97	&	FO/S/Mc	&	0.30\tablefootmark{a}	\\
27072	&	F7V	&	0.498	&	...	&	FE	&	...	&	63366	&	G9V	&	0.780	&	...	&	FE	&	0.12\tablefootmark{a}	\\
17147	&	F9V	&	0.538	&	9.70	&	FO	&	0.48\tablefootmark{d}	&	74537	&	K0V	&	0.761	&	2.12	&	S	&	...	\\
57757	&	F9V	&	0.558	&	3.41	&	Mc	&	0.44\tablefootmark{d}	&	40693	&	K0V	&	0.766	&	 $\leq$6.79	&	Mc	&	0.09\tablefootmark{d}	\\
16852	&	F9V	&	0.568	&	2.67	&	Mc	&	0.39\tablefootmark{a}, 0.37\tablefootmark{d}	&	84195	&	K0	&	0.940	&	8.58	&	FO	&	--0.20\tablefootmark{d}	\\
1599	&	F9V	&	0.576	&	$\leq$3.23	&	FE	&	0.45\tablefootmark{b}	&	112190	&	K0	&	0.968	&	$\leq$3.35	&	FO	&	--0.12\tablefootmark{d}	\\
64394	&	F9.5V	&	0.588	&	4.72	&	Mc	&	0.48\tablefootmark{a,d}	&	3093	&	K0.5V	&	0.853	&	9.38	&	FO/S/Mc	&	--0.05\tablefootmark{a}, --0.11\tablefootmark{d}	\\
61317	&	G0V	&	0.589	&	2.00	&	Mc	&	0.43\tablefootmark{a}, 0.41\tablefootmark{d}	&	7981	&	K1V	&	0.834	&	6.50	&	FO/S/Mc	&	--0.01\tablefootmark{a}, --0.02\tablefootmark{d}	\\
77257	&	G0IV	&	0.596	&	3.00	&	Mc	&	0.37\tablefootmark{a,d}	&	70016	&	K1V	&	0.867	&	8.15	&	S	&	--0.13\tablefootmark{a}, --0.07\tablefootmark{d}	\\
14632	&	G0V	&	0.606	&	3.15	&	Mc	&	0.33\tablefootmark{a}, 0.32\tablefootmark{d}	&	79190	&	K1V	&	0.843	&	$\leq$3.97	&	FE	&	...	\\
77801	&	G0V	&	0.624	&	...	&	FO/S	&	0.37\tablefootmark{d}	&	71681	&	K1V	&	0.900	&	$\leq$3.52	&	FE	&	...	\\
1499	&	G0V	&	0.680	&	4.18	&	FO	&	0.21\tablefootmark{d}	&	3765	&	K2V	&	0.885	&	6.71	&	FO/S/Mc	&	--0.04\tablefootmark{a}	\\
67904	&	G0V	&	0.697	&	...	&	FE	&	0.27\tablefootmark{d}	&	88~972	&	K2V	&	0.886	&	4.82	&	S	&	--0.11\tablefootmark{a}, --0.13\tablefootmark{d}	\\
10~644	&	G0.5V	&	0.603	&	3.93	&	Mc	&	0.52\tablefootmark{a}, 0.50\tablefootmark{d}	&	105~152	&	K2V	&	1.028	&	3.69	&	FO	&	--0.33\tablefootmark{a}	\\
29860	&	G0.5V	&	0.611	&	2.98	&	S	&	0.34\tablefootmark{a,d}	&	114886	&	K2V	&	0.898	&	$\leq$3.18 	&	FO	&	--0.07\tablefootmark{d}	\\
48113	&	G0.5IV	&	0.624	&	2.93	&	FO/S	&	0.23\tablefootmark{a}, 0.27\tablefootmark{d}	&	12114	&	K3V	&	0.918	&	6.45	&	S	&	--0.11\tablefootmark{a}, --0.04\tablefootmark{d}	\\
15371	&	G1V	&	0.600	&	$\leq$2.64	&	FE	&	0.42\tablefootmark{c} &	114~622	&	K3/K4 V	&	1.000	&	2.10	&	FO/S	&	--0.29\tablefootmark{a}	\\
53721	&	G1V	&	0.613	&	2.80	&	Mc	&	0.31\tablefootmark{a}, 0.35\tablefootmark{d}	&	78843	&	K3/K4V	&	1.059	&	6.24	&	S	&	--0.38\tablefootmark{d}	\\
24813	&	G1.5IV	&	0.613	&	2.00	&	Mc	&	0.31\tablefootmark{a,d}	&	73184	&	K4V	&	1.110	&	...	&	FE	&	--0.20\tablefootmark{d}	\\
7918	&	G1.5V	&	0.620	&	2.10	&	FO/S/Mc	&	0.30\tablefootmark{a}	&	113718	&	K4V	&	0.948	&	6.22	&	FO	&	...	\\
52369	&	G2/G3V	&	0.629	&	7.22	&	S	&	...	&	12929	&	K5	&	1.170	&	8.11	&	FO	&	0.01\tablefootmark{a}, --0.07\tablefootmark{d}	\\
79672	&	G2Va	&	0.648	&	$\leq$4.07	&	Mc	&	0.31\tablefootmark{a}, 0.30\tablefootmark{d}	&	50125	&	K5V	&	1.122	&	2.85	&	S	&	...	\\
27435	&	G4V	&	0.639	&	2.61	&	S	&	0.32\tablefootmark{d}	&	54651	&	K5V	&	1.089	&	$\leq$0.53	&	S	&	...	\\
50505	&	G5	&	0.686	&	1.72	&	S	&	0.22\tablefootmark{d}	&	83591	&	K5V	&	1.120	&	3.70	&	FO/S	&	--0.20\tablefootmark{d}	\\
64924	&	G5V	&	0.709	&	4.09	&	S	&	0.16\tablefootmark{a}, 0.15\tablefootmark{d}	&	93871	&	K5V	&	1.050	&	4.07	&	FO	&	...	\\
171	&	G5V	&	0.660	&	3.00	&	Mc	&	0.30\tablefootmark{a}	&	104214	&	K5V	&	1.160	&	4.72	&	FO/S	&	--0.22\tablefootmark{a}	\\
5336	&	G5V	&	0.700	&	8.00	&	Mc	&	0.19\tablefootmark{a}	&	80644	&	K6V	&	1.209	&	 $\leq$3.68	&	FO	&	--0.25\tablefootmark{a}, --0.26\tablefootmark{d}	\\
62523	&	G7V	&	0.706	&	10.60	&	S	&	0.42$^{\rm d}$	&	104217	&	K7V	&	1.360	&	1.70	&	FO/S	&	--0.50\tablefootmark{a}	\\
2941	&	G7V	&	0.717	&	5.54	&	S	&	0.23\tablefootmark{a}, 0.19\tablefootmark{d}	&	54646	&	K8V	&	1.345	&	5.83	&	S	&	--0.37\tablefootmark{d}	\\
58576	&	G8IV-V	&	0.757	&	...	&	Mc	&	0.03\tablefootmark{a}, 0.11\tablefootmark{d}	&	60661	&	M0V	&	1.451	&	...	&	FO	&	...	\\
14150	&	G8V	&	0.715	&	4.08	&	S	&	0.22\tablefootmark{d}	&		&		&		&		&		&		\\
\hline
\end{tabular}
\tablefoot{\tablefoottext{1}{Spectrograph used: Mc: Mc Donald; S: SARG; FO: FOCES; FE: FEROS.}
\tablefoottext{a}{\cite{1991ApJS...76..383D}.}
\tablefoottext{b}{\cite{1996AJ....111..439H}.}
\tablefoottext{c}{\cite{2006MNRAS.372..163J}.}
\tablefoottext{d}{\cite{2004ApJS..152..261W}.}}
\end{table}