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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- A 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 yearsWhat 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.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