Herbig Harpo objects are nebulas objects associated with newly forming stars, the first three wherethe Orion Nebula by George Herbig and Guillamero Haro they are thought to be the result of interaction between a protostar and intersteller gas which is heated and compressed, they are generaly between500 and 4000 au in size and have about 0.5-30 earth masses.
They can be generaly seen in deep photo's of the Orion Nebula.
the suggestion is that they ejected from young stars. Regards Ron
