Galaxy Zoo Talk

Very bright galactic nucleus?

  • ConnieM87 by ConnieM87

    This appears to have a very bright center to it. Just putting it out here for anyone- such as myself - that is interested in QSO's etc. I would like to know nif this is a galay or a QSO.

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  • Mjtbarrett by Mjtbarrett

    SDSS has this as a galaxy. http://skyserver.sdss3.org/dr8/en/tools/explore/obj.asp?id=1237680243065094193 It's big; bright core alone is about 10" in diameter, with a bright ring. ??
    Would be much brighter if the gas and dust weren't obscuring the centre. No spectra. Would be good to have x-ray....

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  • PDXDave by PDXDave

    If most galaxies have black holes at their center, I wonder to what extent one may have effected how this galaxy is structured.

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  • Mjtbarrett by Mjtbarrett

    This is interesting and informative. Even I understood some of it 😃 http://hubblesite.org/hubble_discoveries/science_year_in_review/pdf/2006/a_new_population_of_active_galactic_nuclei.pdf

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  • Mjtbarrett by Mjtbarrett

    I am also a newbie, so can I ask: if there's a black hole at the centre, could the very bright ring at the outer rim of the nucleus be caused by lensing of the super hot core at the edge of the black hole in the centre? A bit like a perfect Einstein ring seeing the core head on. Apologies if That is a silly question, but curious to find out... 😃

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  • ElisabethB by ElisabethB moderator

    The very bright ring is just an optical artifact, no lensing I'm afraid ! 😃

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  • Mjtbarrett by Mjtbarrett

    Good morning ElisabethB 😃 thanks for that. Another theory bites the galactic dust. Oh well... Next time eh? 😉

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  • zutopian by zutopian

    #nuclearring ? #nuclearlens ?

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