\begin{table}%tA.2 (1) \caption{A list of all known MHOs in Orion B.} %\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~300 & 05 47 07.3 & +00 22 40 & ${\rm I A}$ & -- & 27, 28 & Main northeastern lobe of large NGC 2071 bipolar outflow & Orion-B \\ MHO~301 & 05 46 59.0 & +00 20 30 & ${\rm I B}$ & -- & 27, 28 & southwestern lobe of large bipolar outflow in NGC 2071 (counter-flow to MHO 300) & Orion-B\\ MHO~302 & 05 47 05.5 & +00 21 45 & ${\rm II A/II B}$ & -- & 27, 28 & Emission near IR source of MHO 300/301 (in NGC 2071 region) & Orion-B \\ MHO~303 & 05 47 02.5 & +00 22 30 & ${\rm III}$ & -- & 27, 28 & Chain of knots and features extending to northwest from NGC 2071 & Orion-B \\ MHO~304 & 05 47 03.7 & +00 22 50 & ${\rm IV A}$ & -- & 28 & Fainter jet running northeast-southwest, parallel with MHO 300/301 in NGC 2071 & Orion-B\\ MHO~305 & 05 47 09.5 & +00 24 30 & ${\rm IV B}$ & -- & 28 & Possible extension of MHO 304 flow in NGC 2071 & Orion-B \\ MHO~306 & 05 47 08.9 & +00 24 00 & ${\rm V}$ & -- & 28 & Small group of features in NGC 2071 & Orion-B \\ MHO~307 & 05 47 11.0 & +00 23 45 & ${\rm - }$ & -- & 28 & Extension of large MHO 300 flow in NGC 2071 & Orion-B \\ MHO~308 & 05 47 12.3 & +00 22 00 & ${\rm VI}$ & -- & 28 & 20\arcsec\ long jet to east of main MHO 300/301 flow in NGC 2071 & Orion-B \\ MHO~309 & 05 46 59.0 & +00 19 20 & ${\rm VII}$ & -- & 28 & Bow-shaped structure to south of large MHO 301 flow lobe in NGC 2071 & Orion-B \\ MHO~310 & 05 47 14.0 & +00 18 15 & ${\rm VIII}$ & -- & 28 & 1\arcmin\ long jet in southeast corner of NGC 2071 region & Orion-B \\ MHO~311 & 05 47 01.3 & +00 25 50 & ${\rm XI A}$ & -- & 28 & North-south chain of knots in northwest corner of NGC 2071 (assoc. with MHO 309?) & Orion-B \\ MHO~312 & 05 47 02.7 & +00 28 10 & ${\rm XI B}$ & -- & 28 & Filamentary structure in northwest NGC 2071, possible counter-flow to MHO 311 & Orion-B \\ MHO~313 & 05 46 59.0 & +00 26 15 & ${\rm XII A}$ & -- & 28 & Small jet in northwest NGC 2071, counter-flow to MHO 314 & Orion-B \\ MHO~314 & 05 47 02.5 & +00 26 45 & ${\rm XII B}$ & -- & 28 & Small jet in northwest NGC 2071, counter-flow to MHO 313 & Orion-B \\ MHO~315 & 05 41 58.2 & --01 13 36 & ${\rm HH 91 A-V}$ & HH 91 & 29 & Bright, knotty HH object & Orion-B \\ MHO~316 & 05 41 48.2 & --01 13 37 & ${\rm HH 91 X-Z}$ & HH 91 & 29 & Fainter curving filament, assoc. with MHO 315 & Orion-B \\ MHO~317 & 05 51 25.3 & +02 55 15 & ${\rm - }$ & HH 110 & 29, 30, 31 & Collimated, knotty HH jet & Orion-B \\ MHO~318 & 05 51 21.0 & +02 55 45 & ${\rm IRS 2}$ & -- & 29, 31 & Bipolar jet from IR source situated to northwest of HH 110 (MHO317) & Orion-B \\ MHO~319 & 05 51 20.7 & +02 55 27 & ${\rm IRS 1}$ & -- & 29, 31 & Second north-south jet near HH 110, from IRAS 05487+0255 & Orion-B \\ MHO~320 & 05 51 46.1 & +02 48 30 & ${\rm F,H,L,P, }$ & HH 111 & 9, 29, 32, 33, 34, & Well-known collimated, knotty, bipolar HH jet and molecular outflow & Orion-B \\ & & & ${\rm CJ_1-CJ_3}$ & & 35, 36 \\ MHO~321 & 05 51 46.5 & +02 48 30 & ${\rm B,C,X,Y,Z}$ & HH 121 & 32, 33, 29, 36, 35 & Knots in collimated flow that runs orthogonal to HH 111 & Orion-B \\ MHO~322 & 05 46 07.8 & --00 11 56 & ${\rm - }$ & -- & 24 & Faint arc extending northward from SSV 61 in L~1630 (HH 24-26) & Orion-B \\ MHO~323 & 05 46 09.3 & --00 10 24 & ${\rm - }$ & HH 24A & 37, 24, 38 & Small jet from embedded Class 0 source in L 1630 & Orion-B \\ MHO~324 & 05 46 08.0 & --00 10 03 & ${\rm - }$ & HH 24B & 24, 38 & Finger of emission associated with SSV 63W IR source in L 1630 & Orion-B \\ MHO~325 & 05 46 07.3 & --00 13 25 & ${\rm - }$ & HH 25 & 24, 38, 21, 22 & Knotty, curving, bipolar flow that crosses HH 26 (MHO 326) in L 1630 & Orion-B \\ MHO~326 & 05 46 05.0 & --00 14 37 & ${\rm - }$ & HH 26 & 24 38, 21, 22 & Curving bipolar outflow that crosses HH 25 (MHO 325) in L 1630 & Orion-B \\ MHO~327 & 05 54 09.8 & +02 37 09 & ${\rm A,B,C}$ & HH 182A & 39 & Small group of faint knots/arcs & Orion-B \\ MHO~328 & 05 18 16.8 & +07 11 00 & ${\rm - }$ & -- & 26 & Bow shock to west of nebulous source IRAS 05155+0707 & Orion-B \\ MHO~329 & 05 18 14.6 & +07 11 06 & ${\rm - }$ & -- & 26 & Fainter, knotty bow shock to west of IRAS 05155+0707 (downwind of MHO 328) & Orion-B \\ MHO~330 & 05 18 12.8 & +07 11 21 & ${\rm - }$ & -- & 26 & Group of knots/filaments to west of IRAS 05155+0707; assoc. with MHO 327/328? & Orion-B\\ MHO~331 & 05 45 49.6 & --00 05 12 & ${\rm - }$ & HH 19 & 11 & Group of knots assoc with complex HH object & Orion-B \\ MHO~332 & 05 46 11.0 & --00 09 25 & ${\rm D,G,N}$ & HH 24 & 40 & Faint bows extending northeastward from the main HH 24 region & Orion-B \\ MHO~499 & 05 43 51.3 & --01 02 55 & ${\rm - }$ & HH 212 & 41, 42, 43 & Spectacular twin jets and bow shocks emanating from an embedded protostar & Orion-B \\ \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}