Radio Galaxy Zoo Talk

ARG0002i2c possibly fading, asymmetrical doublelobe, SDRAGN candidate?

  • ChrisMolloy by ChrisMolloy

    Here we have ARG0002i2c, which appears to be a possibly #fading, #asymmetrical, #doublelobe.

    enter image description here

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

    The host for this emission seems to be SDSS J154220.23+173754.0, a very red galaxy, which has a z_ph=0.656 ± 0.0634. In terms of radio references, there is an NVSS reference in NED, and an ALLWISE reference, ALLWISE J154220.23+173754.2. Furthermore, this emission is cited on page 6 of the How to describe the radio morphology? thread, with the following observation:

    Can the morphology of the radio emission be described as #fading?

    SDSS J154220.23+173754.0

    enter image description here

    And here's the First cutout.

    enter image description here

    As per the classification comments left, and whether this galaxy is an #SDRAGN candidate, it has a fracDev_g, _r, of 0, and 0.839, and an expAB_g of 0.05 and expAB_r of 0.750 respectively. For c, the inverse concentration index, it has a figure of 0.492 for the g band and 0.478 for the r band. On the above parameters, it could be, but it is a very faint galaxy, so hard to say.

    Here's a zoomed in image without the gridlines.

    enter image description here

    Comments, suggestions, welcome.

    Posted