Is dark matter massive enough to cause lensing?
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by lamperti
This question arose in my mind since I've seen at least two images with a curvature of blue streaks resembling lenses but no central galaxy. I was wondering if I should mark them as such. I should have marked them as favorites so I would have a record, but will do so if I run across similar ones in the future.
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by anupreeta scientist, admin
Sorry, I didn't understand your question earlier and that you were referring to -- whether dm alone is sufficient for causing lensing. In that case, please see a similar discussion here with some explanation - http://talk.spacewarps.org/#/boards/BSW0000002/discussions/DSW00005xd
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by lamperti
Small arch in upper right of Image ASW00051il
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by anupreeta scientist, admin in response to lamperti's comment.
refer to Tom collett's answer in the above discussion thread.
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