How do we calculate the magnitude of a system with binary stars?

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In summary, the formula for calculating magnitude is M = log(I/I<sub>0</sub>), and it is used to measure the intensity of an earthquake. The intensity is measured using a seismograph and is directly related to the Richter scale. The Richter scale is a logarithmic scale with no negative values, and the distance from the earthquake does not affect the calculated magnitude. However, the intensity may decrease with increasing distance, resulting in a lower magnitude.
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VHCR
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How do we calculate the magnitude of a system composed by some binary systems of stars?
 
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You need to give us more information. *Some* binary systems? How many? Just one binary, or multiple binaries?

Do you know the magnitudes of the individual stars in the binary or binaries?
 
  • #3
Yeah, suppose we know the magnitude of all the stars and that the number of binary systems is k (can be one or more).
 

1. What is the formula for calculating magnitude?

The formula for calculating magnitude is: M = log(I/I0), where M is the magnitude, I is the intensity of the earthquake, and I0 is a reference intensity.

2. How do you measure the intensity of an earthquake?

The intensity of an earthquake is measured using a seismograph, which records the vibrations caused by the earthquake. The seismograph produces a seismogram, which is used to calculate the intensity of the earthquake.

3. What is the Richter scale and how is it related to magnitude?

The Richter scale is a logarithmic scale used to measure the magnitude of an earthquake. The magnitude is directly related to the Richter scale, with each whole number increase in magnitude representing a 10-fold increase in seismic energy.

4. Can magnitude be negative?

No, magnitude cannot be negative. The Richter scale is a logarithmic scale, so the values on the scale start at 0 and increase in whole numbers. Negative values do not exist on the Richter scale.

5. How does the distance from the earthquake affect the calculated magnitude?

The distance from the earthquake does not affect the calculated magnitude, as the formula for magnitude takes into account the intensity of the earthquake, not the distance. However, the intensity of an earthquake may decrease as the distance from the earthquake increases, resulting in a lower magnitude.

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