ARG0002gi4, hourglass, doublelobe, and possible SDRAGN candidate and artefact.
-
by
ChrisMolloy
Here's ARG0002gi4, which appears to be a #doublelobe centre, and an #hourglass to the SW.
The contour overlay image in this post was created from sources, and using methods, described in this RGZ Talk
thread. First in red.The host for the #hourglass to the SW appears to be SDSS J104613.88+181738.1, which is an elliptical galaxy and has a z_sp=0.303 +/-0.00006. This galaxy has a number of radio references in NED and SIMBAD and an ALLWISE reference, ALLWISE J104613.90+181737.9.
A host for the #doublelobe in the centre is a bit more problematic. A possible host could be SDSS J104616.66+181842.8, which has a z_ph=0.172 ± 0.0442. This object is an #Eos (edge on spiral), has radio references in NED, and has an ALLWISE reference, ALLWISE J104616.65+181841.1. If this object is the host of the emission, this galaxy could be an #SDRAGN candidate.
As per the classification comments left, it has been noted that another possible host could be
a bluish QSO-like object lurking just west of the edge-on spiral... SDSS doesn't catalog it as a different object.
Here's an enlarged image below.
If this comment is referring to the #green like object to the west of SDSS J104616.66+181842.8, this object is visible in SDSS DR14, but not DR6 nor DR7, and does not appear to be visible in the DeCALS nor PanSTARRS images below. Could this object possibly be an #artefact and or image processing error, or something else?
DeCALS image.
PanSTARRS image.
As always, comments, suggestions, welcome.
Posted
-
by
JeanTate
in response to ChrisMolloy's comment.
Nice work! 😃
It certainly does seem that the green thing is an artifact. And that the edge-on spiral is the host ... it may even be a very faint FIRST source! 😮
Posted