Radio Galaxy Zoo Talk

ARG0000fcc, two compact lobes, or a doublelobe, host?

  • ChrisMolloy by ChrisMolloy

    Here's ARG0000fcc, which appears to be either two #compact lobes, a #doublelobe, or possibly even a #triple. For the latter, this is dependant on the centre emission not being an #artefact.

    enter image description here

    The contour overlay image in this post was created from sources, and using methods, described in this RGZ Talk
    thread.     First in red.

    As per the classification comments left, this emission could be two #compact lobes. The centre lobe has a radio reference in NED for SDSS J085153.54+531307.7, which is listed as a star, but could be a #QSO.

    SDSS J085153.54+531307.7

    enter image description here

    There is also another radio reference for the centre lobe in NED, positioned on SDSS J085153.23+531311.4, which has a z_sp=0.127 +/-0.00001. There is an ALLWISE reference also, ALLWISE J085153.27+531310.9. This appears to be a #disk galaxy.

    SDSS J085153.23+531311.4

    enter image description here

    There doesn't appear to be any host or radio references that pertain to the north lobe.

    There is also the possibility that this emission could be a #doublelobe or possibly even a #triple, with the host being SDSS J085153.82+531334.7. This object, a very faint galaxy, has radio references in NED, and is positioned on or very near the diffuse centre emission. There appears to be a SIMBAD reference for this object also. The redshift listings in SDSS for this galaxy all seem unreliable.

    SDSS J085153.82+531334.7

    enter image description here

    As always, comments, suggestions, welcome.

    Posted

  • JeanTate by JeanTate in response to ChrisMolloy's comment.

    Hmm ... quite mysterious!

    Are there any WISE sources close to the N #compact? the if-not-artifact central radio source? If there's no central WISE source, and it is a #triple (or #double), then it's a pretty unusual object, right?

    Posted

  • ChrisMolloy by ChrisMolloy in response to JeanTate's comment.

    Here's a First, Wise band 1 image.

    enter image description here

    The contour overlay image in this post was created from sources, and using methods, described in this RGZ Talk
    thread.     First contours in red, Wise Band 1 lime green.

    If there's no central WISE source, and it is a #triple (or #double), then it's a pretty unusual object, right?

    Agree.

    Posted

  • JeanTate by JeanTate in response to ChrisMolloy's comment.

    Wow! 😮

    If SDSS J085153.82+531334.7 is real, then it's an optical source without a WISE counterpart (unless some faint noise-like fluctuation in WISE Band 3 is real); if it's the host, then it's certainly unusual.

    Posted

  • ChrisMolloy by ChrisMolloy in response to JeanTate's comment.

    Here's the First, Wise Band 3 image.

    enter image description here

    The contour overlay image in this post was created from sources, and using methods, described in this RGZ Talk
    thread.     First contours in red, Wise Band 3 teal.

    Wise band 3 emission possibly not related...

    Posted