ARG0003jvr - how common is this kind of doublelobe?
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by
JeanTate
It looks for all the world like two, quite bright, radio point sources. At the center is a very faint IR source; in SDSS there is nothing.
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by
WizardHowl
From my experience on RGZ these sources are less common than single compact ifrs sources but it's not something I could quote a statistic for from my own classifications. I think I've read about 2.5% - 3% of sources in ATLAS-SWIRE have no IR counterpart, though I don't have the reference to hand and don't know how many of those were doublelobes.
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by
enno.middelberg
scientist, translator
This is a good example for a situation in which the IR is a critical component for the classification: without it, one would definitely go for "two close single-component sources", but with a little IR in between, the case is more for a radio double. I've seen this from time to time, occasionally, but frequently enough to be no longer genuinely surprised.
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