Bright white area beside galaxy

• by Budgieye moderator

  I wonder what the white spot is. What is white at z=0.1? A "white pea?"

  

  http://skyservice.pha.jhu.edu/DR9/ImgCutout/getjpeg.aspx?ra=133.65107413&dec=1.20447368&scale=0.049515875&width=512&height=512&opt=SP&query=&PhotoObjs=on&SpecObjs=on

  http://skyserver.sdss.org/dr9/en/tools/explore/obj.asp?ra=133.65107246&dec=1.20448056

  http://skyserver.sdss.org/dr9/en/tools/explore/obj.asp?id=1237648722821054723

  

  
  objID 1237648722821054722
  z 0.10377
  zErr 0.053263

  http://skyserver.sdss.org/dr9/en/tools/explore/obj.asp?id=1237648722821054722

  ---

  ---

  A white pea, for comparison purpose.

  

  http://skyservice.pha.jhu.edu/DR10/ImgCutout/getjpeg.aspx?ra=129.681813364401&dec=38.8973663818655&scale=0.2&width=200&height=200&opt=G

  http://skyserver.sdss.org/dr10/en/tools/explore/summary.aspx?id=0x112d0ad9609c004d&spec=0x0cf025090d006800&apid=

  

  http://skyserver.sdss.org/dr10/en/get/SpecById.ashx?id=932285843668756480

  https://talk.galaxyzoo.org/#/boards/BGZ0000007/discussions/DGZ0000ulp?page=2

  Posted February 12, 2017 8:28 AM

• by Ghost_Sheep_SWR

  SDSS DR13 PhotoZ is slightly better;

  objID 1237648722821054722
  z 0.114906
  zErr 0.029837

  Object page: http://skyserver.sdss.org/dr13/en/tools/explore/Summary.aspx?id=1237648722821054722

  Object PhotoZ page: http://skyserver.sdss.org/dr13/en/tools/explore/DisplayResults.aspx?&name=PhotoZ&id=1237648722821054722&spec=&apid=&fieldId=0x112d02f4c0770000&ra=133.651829947362&dec=1.20494538547594&plateId=

  ---

  range of PhotoZ

  DR9: from 0,050507 to 0,157033

  DR13: from 0,085069 to 0,144743

  No further info besides optical appearance AFAIK 😕

  Posted February 12, 2017 1:14 PM