Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system has an orbital period of 49.3 years, and a semi-major axis of 2.95E+9 km, what is the mass of the other star? solar masses

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: In a binary star system, the average separation between the stars is 4.0 AU, and their orbital…

A:

Q: A star is observed with a surface temperature of 3,000 K and a luminosity of 100,000 solar…

A: Given , Temperature = 3000 K Solar Luminosity = 100,000  Now , mass and luminosity are related by…

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: A star has a parallax of 0.8 seconds of arc. What is the distance of the star?

A: Parallax can be defined as the change in the position of an object due to a change in the observer's…

Q: Find the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec. pc

A: It is given that,

Q: A certain binary system consists of two stars that have equal masses and revolve in circular orbits…

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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: 3. The Sun has an apparent visual magnitude of my = -27 and is 150 × 106 km from the Earth. If the…

A: Given: Let us consider the given data, mV=-27 Distance, d=150×106 km 1 pc=3.09×1016 m To find:…

Q: A visual binary is composed of two stars A and B. This visual binary has a rotation period of 59.94…

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Q: What star has the largest stellar parallax as measured from opposite ends of the Earth's orbit about…

A: Parallax is the apparent displacement of an object because of a change in the observer's opinion.…

Q: The giant star Betelgeuse has an angular diameter as observed from Earth of about 0.05 arc seconds.…

A: Solution:-

Q: the parallax angle of a star to be 0.002 arc-seconds.  what would the  distance be to this star?

A: Given, Parallax angle, p=0.002 arc-seconds

Q: If a star has a parallax of 0.016 arc second how far is it?

A: Parallax is the shift in the apparent position of stars when observed from different positions. This…

Q: Suppose a star has a luminosity of 7.0x1026 watts and an apparent brightness of 4.0×10-12 watt/m?.…

A: Luminosity of star (L) = 7×1026 watt Apparent brightness (AB) = 4×10-12 Wm2

Q: Pluto is considered a binary dwarf planet system with its companion Charon. Pluto has a mass of…

A: The center of mass of a system of particles is the point at which all of the mass of the system can…

Q: is observed to have a period of 10 yr. The radial velocities of the two stars are determined to v1r…

A: Concept used : Two stars orbiting around each other form a binary star system  Given data:-*Time…

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: Which point in the stars orbit corresponds to the point marked in the radial velocity curve?

A: Required :  The correct option.

Q: I 19 14: = 24.88 mas y-¹ lota Psc has a magnitude of proper motion of 2 = (Ha*)² + (Hg) ² =…

A: GivenWhat is the magnitude of proper motion for lota psclota Piscium  is single, F-type main…

Q: The greatest parallax angle of any star outside our solar system as viewed from Earth is Group of…

A: 1)We know that the parallax angle for the distant star is smaller, and the parallax angle for the…

Q: Given that a pair of stars are found to be orbiting each other with a period of 11.86 [yrs] and a…

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Q: If a star has a parallax of 2 x 10 degree, how far away is it? O 7 pc O 14 pc O 28 pc O 5x 104 LY

A: Given, parallax angle θ=2 x 10-5 degree                                   θ=2 x 10-5 x 3600…

Q: The star Sirius has an apparent magnitude of -1.46 and appears 95-times brighter compared to the…

A: Part a: Magnitude in astronomy is defined as an index for the brightness of a star and is denoted by…

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: 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: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. The distance to…

A: Given,  Parallax angle is 0.0270 arcseconds  apparent magnitude of 4.641 distance is 37.03 parsecs…

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: Two stars, named A and B, each with a mass equal to the Sun's mass are in orbit around each other.…

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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: A star is observed to have a parallax of 0.0015".  What is the distance to the star in  units of AU?

A: The distance to the star can be calculated using the formula: distance (in parsecs) = 1 / parallax…

Q: What is the lifetime on the main sequence of a star whose surface temperature is 6500° K and whose…

A: Denote Stefan’s constant by σ. Evaluate the star’s luminosity (L) from its given temperature (T) and…

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: A star has an apparent magnitude of 10 and an absolute magnitude of 2.5. How far is it?

A: