How far away is the star Spica, whose parallax is 0.0130?
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: 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: Why are Earth-based parallax measurements limited to the nearest stars?
A: Parallax is one of the methods used by astronomers to estimate the distance to stars and other…
Q: A star is observed to have a parallax of 0.05". If we were to send a radio signal towards this star…
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Q: A cepheid star is located at a distance of 18.7kpc from the Earth and has an apparent visual…
A: Step 1:Step 2:
Q: What is the distance in light years from Earth to a star that makes a parallax angle of 2.0 arc…
A: Given parallex(p)=2 arc second
Q: Why can’t astronomers use parallax to measure the distance to stars that are extremely far away?
A: Because it is difficult to measure from earth reason is effects of earth atmospheric. Parallel angle…
Q: In the parallax method of determining stellar distances, the angle to a star is measured while che…
A: Let's assume b=1AU And distance between sun and alpha centaurie is d. θ=2.1x10-4…
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: Find the distance in parsecs to van maanen's star, a nearby white dwarf, which has an annual…
A: given , parallax (p) = 0.232 arcsec
Q: The difference in absolute magnitude between two objects at the same distance is related to their…
A: "Since you have asked multiple question, as per our guidelines we will solve the first question for…
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: Which star in the table below has the greatest diameter? Star Name d (parsecs) Parallax…
A: d. 58 Ori
Q: What is the maximum luminosity for star of 5.76×1010 Msun.
A: In hydrostatic equilibrium, the radiation pressure and gravitational force will balance each other.…
Q: January 1st July 1st * * * Star A- Star Consider two pictures of the same part of the sky taken 6…
A:
Q: V B r 10.401 10.894 12.303 9.459 9.656 9.477 11.635 12.744 11.229 i 9.705 9.661 10.837 Parallax…
A: Given as,
Q: A visual binary is composed of two stars A and B. This visual binary has a rotation period of 59.94…
A:
Q: Two cars of masses mį and m2 collide at an intersection. Before the collision, car 1 was traveling…
A: Apply momentum conservation in x-direction. m1v1=m1+m2vcosθvcosθ=m1v1m1+m2 ...... (1)
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: СМ m2 m 12
A: Given, r2 = 2r1 consider the center of of the system is at the origin. mass of binary star 1 is m1…
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: Which star in the table below has the least surface temperature? Star Name d (parsecs) Parallax…
A: Since, distance of the star in terms of Parallax is, d=1parallax (in arc-sec)parsecs Now from…
Q: According
A: There is a simple relationship between a star's distance and its parallax angle: d = 1/p The…
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: 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: 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: What is the dependence of the intensities of stars on parallax? Hint: consider the inverse-square…
A:
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: The mass of a star is 1.99·1031 kg and its angular velocity is 1.60E-7 rad/s. Find its new angular…
A: Given data: The mass of the star is m=1.99x1031 kg. The initial angular velocity of the star is…
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: Star A has an apparent magnitude of -1. Star B has an apparent magnitude of 3.5. Find BĄ/BB, where…
A:
Q: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…
A: Write the given data. d=3AbsM=13
Q: between january and july , Star appears to move 5 degrees while star b appers to move 7 degress…
A: From January to July, in the span of 6 months, the 2 stars - A & B, are observed. Star A…
Q: Star A and Star B are a bound binary at a distance of 20 pc from the Earth. Their separation is 30…
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…
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