HST images NGC 4680
Posted: Mon Jun 14, 2021 3:55 pm
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Tricky, yes. It looks like a barred spiral embedded in a lenticular to me. So it crosses several categories.turboscrew wrote: ↑Tue Jun 15, 2021 9:50 pm "NGC 4680 is actually a rather tricky galaxy to classify."
I agree. It was hard to tell what I saw. Quite weird shape.
And as if the bulge was not even near the center.notFritzArgelander wrote: ↑Tue Jun 15, 2021 10:02 pmTricky, yes. It looks like a barred spiral embedded in a lenticular to me. So it crosses several categories.turboscrew wrote: ↑Tue Jun 15, 2021 9:50 pm "NGC 4680 is actually a rather tricky galaxy to classify."
I agree. It was hard to tell what I saw. Quite weird shape.
The off center bulge can be understood as tidal interaction with neighbors. I've seen references where it is classified as S/P meaning "spiral but peculiar".turboscrew wrote: ↑Tue Jun 15, 2021 10:16 pmAnd as if the bulge was not even near the center.notFritzArgelander wrote: ↑Tue Jun 15, 2021 10:02 pmTricky, yes. It looks like a barred spiral embedded in a lenticular to me. So it crosses several categories.turboscrew wrote: ↑Tue Jun 15, 2021 9:50 pm "NGC 4680 is actually a rather tricky galaxy to classify."
I agree. It was hard to tell what I saw. Quite weird shape.