Find the distance in parsecs to van maanen's star, a nearby white dwarf, which has an annual parallax of 0.232 arcsec.

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…

A:

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

A: Annual parallax (p), p=0.129 arcsec

Q: A pulsating variable star with a period of 10 days would be a Cepheid having an absolute magnitude…

A: Pulsating variable star are made by expansion and contractions in the outer layers of any stars. Due…

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: Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system…

A:

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: The velocities of the two stars are 28km/s and 13km/s, and their periods are both 16 years. Find the…

A: Formula Let period of a star is T, velocity is v, orbital radius is r and , mass is M, Now the…

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 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: A white dwarf star has a visual luminosity of 0.046LSun. If you were 1 AU from the white dwarf, what…

A: Ldwarf = 0.046Lsun Distance d = 1 AU = 1.496×1011 m Lsun = 3.827×1026 W

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: Favorite Star Polaris is 132 pc from Earth and has an apparent magnitude of 2.5. What is its…

A: When the brightness of a star is measured there are two ways, Apparent and absolute magnitudes.…

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: What is the luminosity, in solar units, of a brown dwarf whose radius is 0.1 solar radii and whose…

A: Luminosity of a star or an object is the total amount of energy radiated per second by that object.…

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: 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 is observed to have a parallax of 0.05".  If we were to send a radio signal towards this star…

A: The parallax angle of a star is observed to be θ=0.05''=0.05 arcseconds. Let the distance to the…

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: A distant FO star is 6.3 times less bright than a nearer FO star which has a parallax of 0.2 arcsec.…

A:

Q: is

A: The relationship between apparent visual magnitude(m), Absolute visual magnitude(Mv) and distance(d)…

Q: What is the total mass of a visual binary system if the average separation of the stars is 8 AU and…

A: A binary system is formed when two astronomical objects come close enough to start orbiting each…

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: ou observe a star with a telescope over the course of a year. You find that this star has a flux…

A: .In vertical direction:psinθ=40sin60Psinθ=4032Psinθ=34.6410 free body diagram:

Q: Star A has an apparent magnitude of -1. Star B has an apparent magnitude of 3.5. Find BĄ/BB, where…

A:

Q: A star has a parallax of 0.2 seconds of arc. What is the distance of the star?

A: The change in the apparent position of an object with a change in position of the observer is called…

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: 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: 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: 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 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: How far away is the star Spica, whose parallax is 0.0130?

A: When an observer's point of view changes the displacement observed for an object is called as…

Q: What is the parallax of a star that is 150 pc from Earth?

A: The parallax is given by

Q: What is the size of a typical white dwarf? Group of answer choices   1.0 solar radii   0.5 solar…

A:

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: τ Ceti is 11.9 ly away. How many arc seconds of parallax will it have?

A: Given: Distance of τ Ceti is d=11.9ly.

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 a distance of 20 pc. What is the parallax of the star?

A: Stellar parallax is defined as the apparent change in an object's position due to a change in the…