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: Dinary star system is observed orbiting with a period of 20.0 years, at an average distance of 5.0…
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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: We can use the parallax equation to determine the distances (in pc) to the stars. 1 dA da dB dB = =…
A: From the given related question,we have,mv = 14Parallax of star A = 0.060 arc secondsParallax of…
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: Astronomy) (Part A) White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and…
A: Mass of the dwarf planet = 0.98 solar mass = 1.96 * 1033 gm…
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: One of the closest stars to the sun has a parallax of 0.5 arcseconds. What is the distance to this…
A: Closest star to the sun has: Parallex=0.5 arcsecond We define distance 'd' to a star is reciprocal…
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: The star Spica is observed to have a parallax of 0.012000. How far away is it in parsecs answers to…
A: Parallax is the change in the apparent position of the object that results from a change in…
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?
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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: 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: 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: You measure a star to have a parallax angle of 0.04 arc-seconds. What fraction of a degree is this?
A: Given 0.04 arc second=....°
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: 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: 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,
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- In a binary system, the maximum value of the radial velocity of one star with respect to the other is 60km/s, the inclination of the orbital plane to the plane of the sky is 30°, and the period is 22 days. If the stars in the system have circular orbits, what is the sum of their massesA 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)what is the mass of a star with a main- sequence lifetime of 3 billion years
- What is the total mass of a visual binary system if the average separation of the stars is 7.1 AU and their orbital period is 12 years?Suppose that two stars in a binary star system are separated by a distance of 80 million kilometers and are located at a distance of 160 light years from earth. What is the angular separation of the two stars? Give your answer in arcsecondsIf a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs? In light-years?
- What is the mass of a star with a main-sequence lifetime of 6 billion years?Consider two stars on the main sequence, A and B. Star A has a mass of 4 M⊙. Star B has a mass of 0.8 M⊙. By what factor is the luminosity of star A greater than the luminosity of star B?The stars in a CCD image include stars in a cluster and stars in front of the cluster (i.e. starts that don't belong to it). One group has parallaxes clustered around of 3 milli-seconds of arc (or "3 mas"). The parallaxes of the other group range from 10 mas to 15 mas. Which group contains the stars in the cluster? Explain your answer.
- Star S1 is three times more luminous than S2. What is the difference between their magnitudes Virtual?Which star in the HR diagram below has the largest radius? 1060 M 10⁰ 10⁰ 10² 6 10 30 M 10 Solar Radi Lifetime 10 yrs 0.1 Solar Radus 30,000 B Centauri Spica 10M MAIN Bellatrix Lifetime B Deneb Rigal 6M Achemar SEQUENCE Lifetime WHITE SUPERGIANTS Canopus Vega 10 Solar Rad Procyon B 10,000 Srius Lifetime DWARFS Alar Arcturus Procyon Polaris 5 M Littine" 10 yrs S 1M Cet AFG 6,000 GIANTS Centauri A Pollux Centaur B Eridan Antares Aldebaran K Betelgeuse Barnard's Star 61 Cyani A 61 Cyani B Lacalle 9352 0.3M Gliese 725 A Gliese 725 8 Wolf 359 Proxima Centauri M Ross 128 DX Cancri 3,000