If a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs? In light-years?
Q: Use a diagram to explain what is meant by the parallax angle, p, for a star observed twice from…
A: Diagram for explaining parallax angle: o star / \…
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A: Two identical stars A and B are given which are at different distances.
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A: Apparent magnitude of the star m is the measure of brightness of star from earth. Brightness is also…
Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.…
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Q: How far away would the Sun need to be to be just visible to the naked eye (apparent magnitude =…
A: Solution: Given that apparent magnitude, m = 5.90 the absolute magnitude of the Sun, M = 4.83
Q: A star is observed at a distance of 90 pc. What will be its parallax angle?
A: Parallax is defined as the change in the apparent position of an object due to a change in the…
Q: If a star has an apparent magnitude of 3.5 and an absolute magnitude of 5, how far away is it?
A:
Q: The giant star Betelgeuse has an angular diameter as observed from Earth of about 0.05 arc seconds.…
A: Solution:-
Q: How many parsecs are there in 212 light-years?
A: We know that 1 light year = 0.3066 parsecs
Q: If a star's absolute magnitude value is significantly larger than its apparent magnitude value…
A: Absolute magnitude Mv: The magnitude that a star is expected to have if it were at a distance of 10…
Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?
A:
Q: If a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs?
A: Given that :Apparent magnitudemp=Mv
Q: Suppose the distance to a star is doubled. Then the luminosity of the star is O Remains the same,…
A: Luminosity and apparent brightness are 2 different things. Luminosity is unique property of body and…
Q: Star A has an apparent magnitude of –1.5 and is 12.6 light-years from Earth. Star B has an apparent…
A: Given: dA=12.6ly=3.863parsec, dB=15.6ly=4.783parsec, mvA=-1.5, mvB=0.4 The apparent magnitude of a…
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Q: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…
A: Write the given data. d=3AbsM=13
Q: You observe a star with an apparent magnitude mv=12 at a distance of 1 kiloparsec. What is this…
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Q: Given star A with apparent visual magnitude mv = 6.5, and star B with mv = 4.4, what is the flux…
A: Given, star A with apparent visual magnitude mA = 6.5, and star B with mB = 4.4, the flux ratio…
Q: Calculate the absolute magnitude of a star at a distance of 6 pc with an apparent magnitude of 3.
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Q: Which of the following is largest? the size of a typical star. 1 AU. the size of the earth. 1…
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A: Given: The star moves north at 5.0 arcseconds per year. To determine: The distance of this star from…
Q: What is the parallax of a star that is 150 pc from Earth?
A: The parallax is given by
Q: Calculate by how many times Betelgeuse is brighter than the Sun, if its parallax is 0.006 arcsec,…
A: The objective of the question is to calculate how much brighter Betelgeuse is compared to the Sun.…
Q: A star has an apparent magnitude of 6 and an absolute magnitude of 3. How far is the star from…
A: The distance of a star can be measured from its absolute and apparent magnitude. The apparent…
Q: A star has an apparent magnitude of 10 and an absolute magnitude of 2.5. How far is it?
A:
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- Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.1 g/cm3Calculate the distance of a star if the stellar spectrum indicates and absolute magnitude of -10 and the star has an apparent magnitude of 5.0 as seen from earthA star with a trigonometric parallax of .02 arcseconds has a distance of O2.0 light years. 50 pc. 4 kpc. 20 pc. O need more information (magnitudes)