\begin{table}%tA.12
\caption{A list of all known MHOs in Serpens.}
%\centering
 \tiny\begin{tabular}{@{}lccccclc}
\hline\hline \noalign{\smallskip}
Object\tablefootmark{a}  & RA\tablefootmark{a} & Dec\tablefootmark{a} & Other ID\tablefootmark{b} & HH\tablefootmark{c} & References\tablefootmark{d} & Comment & Region  \\ 
\hline
MHO~2200 & 18 17 29.8 & --04 39 38 & ${\rm -}$ & -- & 137 & Knotty east-west bipolar outflow in L 483, driven by IRAS 18148-0440 & Serpens \\ 
MHO~2201 & 18 17 57.7 & --12 07 19 & ${\rm [VDR] 14-1}$ & -- & 138, 71 & Spectacular bipolar jet from nebulous IR source near IRAS 18151-1208 & Serpens \\ 
MHO~2202 & 18 17 57.2 & --12 07 30 & ${\rm [VDR] 14-2}$ & -- & 138, 71 & Collimated flow near IRAS 18151-1208, orthogonal to MHO 2201 & Serpens \\ 
MHO~2203 & 18 29 16.6 & --11 50 17 & ${\rm [VDR] 18-1a}$ & -- & 71 & Sequence of features extending over $\sim$40\arcsec\ to west of IRAS 18264-1152 & Serpens \\ 
MHO~2204 & 18 29 13.0 & --11 50 16 & ${\rm [VDR] 18-1b/18-4}$ & -- & 71 & Knots and bow shocks in flow to east of IRAS 18264-1152 (assoc. with MHO 2203?) & Serpens \\ 
MHO~2205 & 18 29 16.9 & --11 49 54 & ${\rm [VDR] 18-3}$ & -- & 71 & Diffuse object $\sim$1\arcmin\ to northeast of IRAS 18264-1152 & Serpens \\ 
MHO~2206 & 18 34 22.7 & --05 59 59 & ${\rm [TRH] A,B,C,D, [VDR] 19-1}$ & -- & 139, 71 & Group of bright features $\sim$45\arcsec\ southeast of IRAS 18316-0602 & Serpens \\ 
MHO~2207 & 18 34 20.5 & --05 59 38 & ${\rm [VDR] 19-2}$ & -- & 71 & Faint object just to northeast of IRAS 18316-0602 & Serpens \\ 
MHO~2208 & 18 34 18.4 & --05 59 07 & ${\rm [VDR] 19-3}$ & -- & 71 & Small object $\sim$45\arcsec\ northwest of IRAS 18316-0602 & Serpens \\ 
MHO~2209 & 18 34 18.8 & --05 59 25 & ${\rm [TRH] E, [VDR] 19-4}$ & -- & 139, 71 & Compact feature $\sim$25\arcsec\ northwest of IRAS 18316-0602 & Serpens \\ 
MHO~2210 & 18 34 21.3 & --06 00 12 & ${\rm [VDR] 19-5}$ & -- & 71 & Diffuse object $\sim$30\arcsec\ southeast of IRAS 18316-0602 & Serpens \\ 
MHO~2211 & 18 37 16.9 & --06 38 27 & ${\rm [VDR] 20-1}$ & -- & 71 & Group of faint, compact emission features near IRAS 18345-0641 & Serpens \\ 
MHO~2212 & 18 17 55.4 & --12 06 42 & ${\rm [VDR] 14-3}$ & -- & 71 & Bow shock, extension of northwestern lobe of MHO 2201 in IRAS 18151-1208 region & Serpens \\ 
MHO~2213 & 18 29 04.9 & --01 41 53 & ${\rm -}$ & -- & 26 & Arcs to northwest of nebulous source IRAS 18264+0143 & Serpens \\ 
MHO~2214 & 18 29 40.3 & --01 51 28 & ${\rm -}$ & -- & 26 & Two small southward-facing bow shocks to southeast of IRAS 18270-0153 & Serpens \\ 
MHO~2215 & 18 29 37.8 & +01 18 30 & ${\rm -}$ & HH 460 & 140 & Large patch of knots and filaments in northwest Serpens & Serpens \\ 
MHO~2216 & 18 29 45.7 & +01 18 15 & ${\rm -}$ & -- & 140 & Faint, diffuse patch of emission  & Serpens \\
 MHO~2217 & 18 29 49.5 & +01 16 50 & ${\rm S9, S10}$ & -- & 142, 140, 141, 40 & Knotty curving jet to northwest of nebulous IR source & Serpens \\ 
MHO~2218 & 18 29 49.6 & +01 16 35 & ${\rm S8}$ & -- & 142, 140, 141, 40 & Complex twisting chain of knots that crosses the MHO 2217 jet & Serpens \\
MHO~2219 & 18 29 48.1 & +01 16 45 & ${\rm -}$ & -- & 40, 140 & Small group of knots & Serpens \\
 MHO~2220 & 18 29 48.0 & +01 16 09 & ${\rm S7}$ & -- & 142, 140, 141, 40 & Curving knot, continuation of MHO 2222? & Serpens \\ 
\hline 
MHO~2221 & 18 29 53.7 & +01 15 54 & ${\rm S11}$ & -- & 142, 140, 141, 40 & Bow shock to southeast of nebulous source, MHO 2217 counter-flow & Serpens \\ 
MHO~2222 & 18 29 49.2 & +01 15 40 & ${\rm S6}$ & -- & 142, 140, 40 & Diffuse, knotty flow, associated with MHO 2220 & Serpens \\ 
MHO~2223 & 18 29 45.0 & +01 15 06 & ${\rm -}$ & -- & 140 & Faint group of knots to west of Serpens cloud core & Serpens \\ 
MHO~2224 & 18 29 50.0 & +01 14 51 & ${\rm S12}$ & -- & 142, 140, 40 & Small group of knots, associated with MHO 2222/2232 flow lobe & Serpens \\ 
MHO~2225 & 18 29 52.8 & +01 14 59 & ${\rm S4}$ & -- & 142, 140, 40 & Cone of emission in Serpens cloud core & Serpens \\ 
MHO~2226 & 18 29 55.5 & +01 15 10 & ${\rm -}$ & -- & 40, 140 & Faint emission in central nebulous Serpens region & Serpens \\ 
MHO~2227 & 18 30 01.6 & +01 16 06 & ${\rm -}$ & -- & 140 & Patch of emission to northeast of main Serpens core & Serpens \\ 
MHO~2228 & 18 30 02.7 & +01 14 46 & ${\rm -}$ & HH 459 & 140 & Small group of knots to northeast of SVS 20 (associated with MHO 2231) & Serpens \\ 
MHO~2229 & 18 29 59.2 & +01 14 08 & ${\rm -}$ & -- & 142, 140 & Collimated, knotty jet in centre of Serpens core & Serpens \\ 
MHO~2230 & 18 29 50.6 & +01 14 16 & ${\rm S5}$ & -- & 142, 140, 40 & Large knotty bow shock downwind of MHO 2224 & Serpens \\ 
MHO~2231 & 18 29 58.0 & +01 13 45 & ${\rm -}$ & HH 458 & 142, 140 & Compact knots in HH 458/459 jet (assoc. with MHO 2228) & Serpens \\ 
MHO~2232 & 18 29 51.5 & +01 13 10 & ${\rm -}$ & -- & 140 & Faint bow to west of SVS 20, extension of MHO 2222/2224/2230 flow lobe? & Serpens \\ 
MHO~2233 & 18 29 12.0 & +00 31 30 & ${\rm -}$ & -- & 143 & Cone of emission in Serpens/G3-G6 northeast region & Serpens \\ 
MHO~2234 & 18 29 09.0 & +00 31 00 & ${\rm -}$ & -- & 143 & Curving knotty cone assoc. with mm source in Serpens/G3-G6 northeast region & Serpens \\ 
MHO~2235 & 18 29 06.5 & +00 30 30 & ${\rm -}$ & -- & 143 & Curving knotty jet extending southwest from source in Serpens/G3-G6 NE core & Serpens \\ 
\hline
\end{tabular} 
\tablefoot{\tablefoottext{a}{Catalogue reference for the Molecular Hydrogen emission-line Object (MHO), with coordinates.}
\tablefoottext{b}{Other acronyms and labels used in the literature.} 
\tablefoottext{c}{Associated Herbig-Haro object, if any.} 
\tablefoottext{d}{References to papers presenting near-IR images, listed chronologically 
(including papers citing other IDs); see the full list of references at the end of Table A15.}}
\end{table}