A very peculiar spiral arm

• by marisa_gomez

  I classified that as tidal debris but on 2nd thoughts... really? what would cause it? Any opinions please?

  Posted December 5, 2016 7:08 PM

• by ElisabethB moderator

  See my comment to the left !

  Posted December 5, 2016 8:03 PM

• by Ghost_Sheep_SWR

  Merely speculating, but there might be / have been interaction with the smaller galaxy at 7 o'clock;

  Central starburst spiral spectra z= 0.06004

  Smaller galaxy SDSS DR9 PhotoZ z=0.061531 zErr=0.013261

  Smaller galaxy SDSS DR13 PhotoZ z=0.059082 zErr=0.014397

  So still a large error margin but both in the same z=0.06 range

  http://skyserver.sdss.org/dr9/en/tools/explore/obj.asp?id=1237667429030363365

  http://skyserver.sdss.org/dr13/en/tools/explore/DisplayResults.aspx?&name=PhotoZ&id=1237667429030363365&spec=&apid=&fieldId=0x112d13f8216d0000&ra=165.696872520345&dec=25.1827802779968&plateId=

  Posted December 7, 2016 10:39 AM

• by Budgieye moderator

  Yes, the smaller galaxy does look like a guilty party. 😃

  Posted December 7, 2016 11:16 AM

• by MichaelCassidy

  I am getting nothing to classify, anyone unless having problems?

  Posted December 9, 2016 6:54 PM

• by ElisabethB moderator in response to MichaelCassidy's comment.

  Hi MichaelCassidy and welcome to the Zoo

  There were some updates today, so maybe try clearing your cache ! And please get back to us if this doesn't help !

  Happy hunting ! 😄

  Posted December 9, 2016 7:16 PM