A very mobile star

• by Artman40

  Why is this star in location 1 in red, location 2 in 1.15µm, location 3 in 2mass and location 4 in WISE. What cause it to move? Image processing error?

  Posted June 9, 2014 6:42 PM

• by TED91 moderator

  "High Proper Motion"
  pmRA: -79.8 mas/yr

  pmDE: -302.6 mas/yr

  http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ5395f4240938&-out.add=.&-source=I/312/sample&PPMX===111147.0-562023

  Other objects are fine, so I suspect that it may be caused by this

  Posted June 9, 2014 7:00 PM

• by Artman40

  Is it a nearby star then?

  Posted June 9, 2014 7:18 PM

• by TED91 moderator

  I think so.

  Btw it looks like that it could be M dwarf: http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ5395f4240938&-out.add=.&-source=J/AJ/142/138/Mdwarfs&recno=4098

  Posted June 9, 2014 7:28 PM