\begin{table}%t4 \caption{Average colours in $BVRIJH_S$ for all candidates (and Eris), and assessment of likely membership based on these colours.} \label{tab: colors} %\centering \par \begin{tabular}{rl cccccccc} \hline\hline \noalign{\smallskip} \multicolumn{2}{c}{Object\tablefootmark{a}} & $(B-V)$ & $(V-R)$ & $(R-I)$ & $(R-J$) & $(J-H_S)$ & Vis.~slope &Ref.\tablefootmark{b} & Family?\\ \# & Designation & (mag) & (mag) & (mag) & (mag) & (mag) & (\%/100~nm) & & \\ \hline 24835 & 1995 SM 55$^\dag$ & 0.65 $\pm$ 0.01 & $0.39 \pm 0.01$ & 0.36 $\pm$ 0.02 & 0.65 $\pm$ 0.03 & -- & 2.0 $\pm$ 0.8 & 1--8 & Y \\ & 1996 RQ 20 & 0.96 $\pm$ 0.13 & 0.46 $\pm$ 0.05 & 0.71 $\pm$ 0.12 & -- & -- & 22.4 $\pm$ 6.8 & 9, 10 & N \\ 19308 & 1996 TO 66$^\dag$ & 0.68 $\pm$ 0.02 & 0.39 $\pm$ 0.01 & 0.37 $\pm$ 0.02 & 0.61 $\pm$ 0.10 & -- & 2.9 $\pm$ 0.5 & 1, 10--14 & Y \\ & 1998 HL 151 & 0.67 $\pm$ 0.18 & 0.42 $\pm$ 0.16 & 0.79 $\pm$ 0.31 & -- & -- & 18.1 $\pm$ 16.9 & 15, 16, 32 & ? \\ 181855 & 1998 WT 31 & 0.76 $\pm$ 0.32 & 0.51 $\pm$ 0.25 & 0.60 $\pm$ 0.28 & -- & -- & 16.6 $\pm$ 5.2 & 32 & N \\ & 1999 CD 158 & 0.83 $\pm$ 0.06 & 0.51 $\pm$ 0.05 & 0.54 $\pm$ 0.06 & 1.38 $\pm$ 0.09 & -- & 15.8 $\pm$ 0.6 & 6, 32 & N \\ 40314 & 1999 KR 16 & 1.07 $\pm$ 0.03 & 0.75 $\pm$ 0.02 & 0.74 $\pm$ 0.02 & 1.56 $\pm$ 0.08\tablefootmark{c} & 0.56 $\pm$ 0.13 & 40.9 $\pm$ 6.2 & 9, 16--18, 32 & N \\ & 1999 OH 4 & 2.99 $\pm$ 0.48 & 0.21 $\pm$ 0.20 & 0.44 $\pm$ 0.47 & -- & -- & 20.2 $\pm$ 35.6 & 32 & ? \\ 86047 & 1999 OY 3$^\dag$ & 0.75 $\pm$ 0.03 & 0.26 $\pm$ 0.03 & 0.33 $\pm$ 0.04 & 0.80 $\pm$ 0.12 & $-$0.26 $\pm$ 0.36 & $-$0.5 $\pm$ 5.3 & 3, 32 & Y \\ 86177 & 1999 RY 215 & -- & -- & -- & 0.99 $\pm$ 0.18 & 0.52 $\pm$ 0.22 &-- & 28 & N \\ & 2000 CG 105 & 1.11 $\pm$ 0.25 & 0.39 $\pm$ 0.13 & 0.21 $\pm$ 0.22 & -- & -- & 6.7 $\pm$ 17.5 & 32 & ? \\ & 2001 FU 172 & 2.91 $\pm$ 1.53 & 0.66 $\pm$ 0.19 & 0.53 $\pm$ 0.22 & -- & -- & 39.8 $\pm$ 27.9 &32 & N \\ & 2001 QC 298 & 0.66 $\pm$ 0.07 & 0.37 $\pm$ 0.07 & 0.63 $\pm$ 0.07 & 1.06 $\pm$ 0.21 & 0.52 $\pm$ 0.14 & 9.7 $\pm$ 10.0 &19, 32 & N \\ 55565 & 2002 AW 197 & 0.93 $\pm$ 0.03 & 0.62 $\pm$ 0.02 & 0.55 $\pm$ 0.02 & 1.16 $\pm$ 0.04 & 0.39 $\pm$ 0.08 & 22.8 $\pm$ 3.5 & 20--22, 32 & N \\ & 2002 GH 32 & 0.91 $\pm$ 0.06 & 0.66 $\pm$ 0.06 & 0.56 $\pm$ 0.05 & -- & -- & 24.8 $\pm$ 4.7 & 19, 23 & N \\ 55636 & 2002 TX 300$^\dag$ & 0.66 $\pm$ 0.02 & 0.36 $\pm$ 0.02 & 0.32 $\pm$ 0.03 & -- & $-$0.47 $\pm$ 0.13 & 0.2 $\pm$ 1.1 & 21, 23, 32 & Y \\ 136108 & Haumea$^\dag$ & 0.64 $\pm$ 0.01 & 0.33 $\pm$ 0.01 & 0.34 $\pm$ 0.01 & 0.88 $\pm$ 0.01 & $-$0.60 $\pm$ 0.11 & $-$0.6 $\pm$ 0.9 & 21, 24, 25, 32 & Y \\ & 2003 HX 56 & 1.27 $\pm$ 1.37 & -0.26 $\pm$ 2.07 & 1.28 $\pm$ 2.10 & -- & -- & 18.4 $\pm$ 32.7 & 32 & ? \\ 120178 & 2003 OP 32$^\dag$ & 0.70 $\pm$ 0.05 & 0.39 $\pm$ 0.06 & 0.37 $\pm$ 0.05 & -- & $-$0.51 $\pm$ 0.08 & 3.4 $\pm$ 1.1 & 9, 26, 32 & Y \\ & 2003 SQ 317 & -- & -- & -- & 0.43 $\pm$ 0.04 & $-$0.45 $\pm$ 0.20 & -- & 32 & Y \\ & 2003 TH 58 & 0.58 $\pm$ 0.12 & 0.29 $\pm$ 0.13 & 0.59 $\pm$ 0.15 & -0.13 $\pm$ 0.15 & 1.29 $\pm$ 0.20 & 3.6 $\pm$ 11.4 & 32 & N \\ & 2003 UZ 117$^\dag$ & -- & -- & -- & -- & $-$0.62 $\pm$ 0.12 & 1.1 $\pm$ 0.7\tablefootmark{d} & 22, 27, 28, 32 & Y \\ & 2004 PT 107 & 0.82 $\pm$ 0.21 & 0.65 $\pm$ 0.10 & 0.68 $\pm$ 0.10 & 1.15 $\pm$ 0.16 & 0.54 $\pm$ 0.22 & 27.9 $\pm$ 8.4 & 32 & N \\ & 2005 CB 79 & 0.73 $\pm$ 0.04 & 0.37 $\pm$ 0.05 & 0.36 $\pm$ 0.05 & 0.71 $\pm$ 0.08 & $-$0.50 $\pm$ 0.17 & 3.1 $\pm$ 2.5 & 32 & Y \\ 136472 & Makemake & 0.83 $\pm$ 0.02 & 0.5 $\pm$ 0.1\tablefootmark{e} & 0.3 $\pm$ 0.1\tablefootmark{e} & -- & -- & 7.7 $\pm$ 8.8 & 21, 29 & N \\ & 2005 GE 187 & -- & -- & -- & 1.22 $\pm$ 0.19 & 0.65 $\pm$ 0.14 & -- & 32 & N \\ 145453 & 2005 RR 43\tablefootmark{\dag} & 0.77 $\pm$ 0.06 & 0.41 $\pm$ 0.04 & 0.29 $\pm$ 0.08 & 0.48 $\pm$ 0.04 & -- & 3.3 $\pm$ 6.0 & 8, 22, 26 & Y \\ 202421 & 2005 UQ 513 & -- & -- & -- & 1.39 $\pm$ 0.08 & 0.30 $\pm$ 0.12 & 18.1 $\pm$ 2.0\tablefootmark{d} & 27, 28, 30, 32 & N \\ \hline 136199 & Eris & 0.78 $\pm$ 0.01 & 0.45 $\pm$ 0.03 & 0.33 $\pm$ 0.02 & 0.52 $\pm$ 0.02 & 0.25 $\pm$ 0.11 & 5.9 $\pm$ 5.6 & 21, 22, 31, 32 & -- \\ \par \hline \end{tabular} \tablefoot{ \tablefoottext{a}{There are no published colours for candidates 1996 TR$_{66}$, 1997 RX$_{9}$, 1999 OK$_{4}$, 2000 JG$_{81}$, 2003 HA$_{57}$. For 2003 QX$_{91}$ and 2004 SB$_{60}$ we measured $R$-band photometry, but not colours. None of these candidates are included in the table.\\} \tablefoottext{b}{ References: [1] \citet{2001-AA-378-Boehnhardt}; [2] \citet{2001-Icarus-152-Gil-Hutton}; [3] \citet{2002-AJ-124-Doressoundiram}; [4] \citet{2003-Icarus-161-McBride}; [5] \citet{2003-Icarus-161-Tegler}; [6] \citet{2004-AA-417-Delsanti}; [7] \citet{2007-AJ-134-Doressoundiram}; [8] \citet{2008-AJ-136-Rabinowitz}; [9] \citet{2001-AJ-122-Jewitt}; [10] \citet{1998-Nature-392-Tegler}; [11] \citet{1998-AJ-115-Jewitt}; [12] \citet{1999-Icarus-142-Barucci}; [13] \citet{2000-Icarus-146-Davies}; [14] \citet{2000-AA-356-Hainaut}; [15] \citet{2002-AA-389-Hainaut}; [16] \citet{2002-ApJ-566-Trujillo}; [17] \citet{2002-AJ-124-Sheppard}; [18] \citet{2006-AJ-131-Delsanti}; [19] \citet{2009-AA-494-Santos-Sanz}; [20] \citet{2005-PSS-53-Doressoundiram}; [21] \citet{2007-AJ-133-Rabinowitz}; [22] \citet{2009-AA-493-DeMeo}; [23] \citet{2005-Icarus-174-Doressoundiram}; [24] \citet{2006-ApJ-639-Rabinowitz}; [25] \citet{2008-AJ-135-Lacerda}; [26] \citet{2009-AA-subm-Perna}; [27] \citet{2007-AA-468-Pinilla-Alonso}; [28] \citet{2008-AA-487-Alvarez-Candal}; [29] \citet{2007-AA-468-Ortiz}; [30] \citet{2009-AA-inpress-Fornasier}; [31] \citet{2005-ApJ-635-Brown}; [32] This work. Where colours for a given object are published by multiple authors, we quote a weighted mean.\\} \tablefoottext{c}{($R-J$) calculated from near simultaneous $R$ and $J$ observations by [17] and [18] respectively. No correction is made to this (or any other colour in the table) for possible differences due to changes in rotational phase, although [17] show 1999 KR$_{16}$ to have a light-curve amplitude of $\Delta m = 0.18$ mag.\\} \tablefoottext{d}{Although no photometry is published, measurements of the spectral slope for these objects (derived from optical spectra) can be found in Table~2 of \citet{2009-AA-inpress-Fornasier}. We give a weighted mean for each object, and list the references to the original papers in the table.\\} \tablefoottext{e}{The colours for Makemake are calculated from the $BVI$ photometry from [21] along with the $R$-band photometry from [26]. We use a phase function of $\beta=0.05$ mag deg$^{-1}$ to correct the $R$-band photometry to zero phase angle, as [21] show that $\beta$ is approximately constant at this value between the $V$ and $I$ bands. The uncertainty is dominated by the uncertainty on the $R$-band photometry.\\} \tablefoottext{\dag}{These objects listed as confirmed family members by \citet{2007-AJ-134-Ragozzine}.\\}} \end{table}