What is the total mass of a visual binary system if the average separation of the stars is 8 AU and their orbital period is 20 years?
Q: Suppose the Sun was part of a binary star system with a period of 15 years and an average separation…
A: Given data Time period ,T=15 years=15×3.154×107 sec Radius, r=10 AU=1.496×1012 m
Q: Based on your radial velocity curve, record the orbital period P in days. This is the time elapsed…
A: 1) The orbital period P is the time elapsed between two subsequent peaks or troughs on the curve.…
Q: Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system…
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Q: In a binary star system, the average separation between the stars is 4.0 AU, and their orbital…
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Q: f a star’s lifespan is 1.1 × 10 7 years, what is its mass and spectral type?
A: The relation between star's lifetime and mass is given by : tt⊙=MM⊙−2.5Here, M⊙ is mass of sun.…
Q: If a star is located at 62.5 pc and has an apparent magnitude of 6 what is it absolute magnitude?
A: The brightness of a star is determined by its composition and distance from the Earth. There are two…
Q: If the main-sequence mass lower limit is 0.08 solar mass and the brightest main-sequence stars are 1…
A: The Main Sequence Stars are a mass sequence, with low mass stars forming an equilibrium with a cool…
Q: Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system…
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Q: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…
A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.…
A: We have : Density = masscolumeVolume of star = 43x π x r3Diameter of star = 6 x 105kmRadius of star…
Q: If parallax of a star is 0.22 arc-seconds and its apparent brightness is 50 x 10-6 W/m2 . What is…
A: Given: Apparent Brightness,b=50×10-6W/m2Parallax of star,p=0.22arc-secondsDistance to the…
Q: The red supergiant star in Orion is called Betelgeuse, and its distance is 130 pc. What is the…
A: Parallax is the defined as the apparent shift in the position of any star (or other object) against…
Q: Match the stars to their typical lifetimes on the main sequence. O Instructions 15 solar masses 1…
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Q: Is this a binary system?
A: Yes. This is a binary system. Specifically this is called a spectroscopic binary system.
Q: If a star has an apparent magnitude of 3.5 and an absolute magnitude of 5, how far away is it?
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Q: The giant star Betelgeuse has an angular diameter as observed from Earth of about 0.05 arc seconds.…
A: Solution:-
Q: Consider two stars on the main sequence, A and B. Star A has a mass of Мо Star B has a mass of 0.2…
A: Solution attached in the photo
Q: Two stars have the difference between their apparent magnitudes +5, so their apparent luminosity…
A: The difference between the apparent magnitude is given as m1-m2=+5
Q: What is the dependence of the intensities of stars on parallax? Hint: consider the inverse-square…
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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: A certain star is 13.7 times dimmer than a star with apparent magnitude m = 3.9. What is the…
A: We are given the ratio of brightness of stars. We are given the apparent magnitude of the brighter…
Q: Consider two stars on the main sequence, A and B. Star A has a mass of 9. Мо Star B has a mass of…
A: Solution attached in the photo
Q: A distant galaxy has an apparent magnitude of 13 and is 5,000 kpc away. What is its absolute…
A: Apparent Magnitude The apparent magnitude of a star or a galaxy is the measure of how bright the…
Q: Two stars are found to orbit each other once every 6.00 months. If the orbital radius (distance)…
A: According to Kepler’s third law, for a binary star system, we have the following relation between…
Q: You observe a star with an apparent magnitude mv=12 at a distance of 1 kiloparsec. What is this…
A: The relation between apparent magnitude, absolute magnitude, and distance of star in parsec is given…
Q: On a H-R diagram for main sequence stars, as temperature increases, brightness usually increases…
A: Required: Variation of brighness with temperature in HR diagram.
Q: What is the orbital period of Proxima Centauri and alpha Centauri about each other if the alpha…
A: Kepler's law is used to describe planetary motion. Kepler's third law describes the…
Q: Use the Luminosity Distance Formula. Find the distance to a star (L=2.2x1026 watts) whose apparent…
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Q: Why does the orbital period of a binary star depend on its mass?
A: A binary system is formed when two massive astronomical objects start orbiting each other around a…
Q: A distant F0 star is 6.3 times less bright than a nearer F0 star which has a parallax of 0.2…
A: Given: p=0.2 arcsec The distance of the distant F0 star from the nearer F0 star is : d=1p=10.2=5…
Q: Star A and Star B are both on the main sequence. Star A is 63 times more luminous than Star B. What…
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Q: You've just discovered a new X-ray binary, which we will call Hyp-X1 ("Hyp" for hypothetical). The…
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Q: Calculate the absolute magnitude of a star at a distance of 6 pc with an apparent magnitude of 3.
A: The apparent magnitude and absolute magnitude are two terms used to define the brightness of a star.…
Q: If a star has a radial velocity of 25 km/sec and a transverse velocity of 60 km/sec what is the…
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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 a distance of 40 pc. What is the parallax of the star?
A: The distance of a star and its parallax are related as, d=1/p, where, d= distance in parsecs, and…
Q: The difference in brightness between a magnitude 3 star and a magnitude 5 star is about
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Q: The main-sequence age of a star of 1M⊙ is about 1010 years. What is the main-sequence age of a star…
A: Answer the following question is
Q: A star has an apparent magnitude of 10 and an absolute magnitude of 2.5. How far is it?
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Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.1 g/cm3
A: It is given that,
Q: The distance to a binary is 8x107 m and its apparent magnitude is +2. What is its absolute…
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Q: In a binary system, the maximum value of the radial velocity of one star with respect to the other…
A: Solution: Given Values, The maximum value of the radial velocity of one star with respect to the…
Q: using the center of mass equations or the Center of Mass Calculator (under Binary Star Basics,…
A: Given: In this question, the given details are, To investigate a specific binary-star system by…
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