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BASIC EXTRAGALACTIC ASTRONOMY Part 8: Central Supermassive Black Holes - Discovery and Properties

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#1 rekokich

rekokich

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Posted 18 April 2021 - 10:05 AM

The only primary evidence available to an astronomer about a very remote object consists of photometric measurements, a spectrogram, and an image which is in many cases no more than a pinpoint of light. In this article we present basic cosmological concepts and simplified mathematical methods which allow an amateur to derive from this meager data a surprising number of physical properties of distant extragalactic objects with a precision of several percent within professional results.

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