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Tagged with quasars radio-astronomy
4
questions
2
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answer
66
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Radio SEDs for quasars
Using data from https://ned.ipac.caltech.edu/, I can get nice-looking spectral energy distributions for quasars, such as for these two:
but most of their points are in UV to IR range. I'm looking ...
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In the 1950's how were radio-astrometric positions with portable dishes so precise they could be assigned to their dim optical counterparts (Quasars)?
In my question Why are quasars so far away that they couldn't be optically resolved in the 1950's? I included the following short paragraph, but then added strikethrough to the second sentence ...
- 30.7k
6
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Is there a recent update on the mysterious M82 radio source reported in 2010?
The Wikipedia page on the "Cigar Galaxy" (M82) has the following summary about an "unknown object":
In April 2010, radio astronomers working at the Jodrell Bank
Observatory of the University of ...
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4
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Why do Seyfert Galaxies emit less energy than Quasars and Blazars, and how is the emitted energy measured?
When I was reading information about QSOs on a website, it said that Seyfert Galaxies emit less energy than Quasars and QSOs.
Why do Seyfert Galaxies emit less energy than quasars, and how is this ...
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