A double-barred galaxy?
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Is this a double-barred galaxy or is it just interacting with its ring neighbor.
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ElisabethB
moderator
It's an edge on disk or spiral galaxy with a boxy bulge. It's the best boxy bulge I've seen in a long time ! 😄
Happy hunting ! 😄
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Edge-on? What are the two dark areas on either side of the X? Dust? But it does not seem to pass in front of the bulge or nucleus. Or is there a ring here? If it is a ring, then this cannot be classified as an edge-on.
I have read about the X shape in some comments. This is the first time I am seeing one.
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Budgieye
moderator
The X is probably created by two barred spiral galaxies merging together, but the bars are still not aligned.
More info here
2.2 Nucleus, nuclear bulge, and bulgeless, X-shaped bulges , nuclear rings https://talk.galaxyzoo.org/#/boards/BGZ0000001/discussions/DGZ0000wrb?page=2
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If this is a merger, won't the bars be disturbed? Perhaps it is yet to happen or maybe a higher res image might reveal disturbances.
The ends of the X seem to extend beyond the disk's plane. Looks more like a ring galaxy (with no arms), with either two bars or a X-shaped bulge.
Googled and found a couple of articles discussing double-barred galaxies. However, they call the bars inner and outer, implying that one would be shorter than the other.
https://www.asianscientist.com/2015/08/in-the-lab/cas-s2b-double-bar-galaxy/
https://ned.ipac.caltech.edu/level5/Sept09/Erwin/paper.pdf
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