Calculate the apparent magnitude of the Sun.
Q: Use a diagram to explain what is meant by the parallax angle, p, for a star observed twice from…
A: Diagram for explaining parallax angle: o star / \…
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: Absolute visual magnitude is a. the apparent magnitude of a star observed from Earth. b. the…
A:
Q: Calculate the Sun's orbital period.
A: Sun is part of the Milkyway galaxy and follows an orbit around the center of the galaxy. Sun is…
Q: Earth is about 150 million kilometers from the Sun, and the apparent brightness of the Sun in our…
A: Distance of earth from sun, dE = 150 x106 km Apparent brightness of sun at earth distance is BE =…
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: On Earth, the parallax angle measured for the star Procyon is 0.29 arcseconds. If you were to…
A: Write the relation in distance and parallax angle. d=1p
Q: Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the…
A: Two identical stars A and B are given which are at different distances.
Q: Orion nebula is located at 450 pc. Calculate the parallax angle.
A: Parallax is a method used to calculate the distance to astronomical objects like stars. Parallax is…
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: Suppose you measure the parallax angle for a particular star to be 0.4 arcseconds. What is the…
A: The parallax angle for a particular star is given as p=0.4 arcseconds
Q: What is the most common type of star?
A: There are different types of stars in our universe. They are mainly categorized based on their mass,…
Q: Explain Parallax
A: There is an apparent shift in position of the object due to the change in point of observation .This…
Q: Find the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec. pc
A: It is given that,
Q: How far away would the Sun need to be to be just visible to the naked eye (apparent magnitude =…
A: Solution: Given that apparent magnitude, m = 5.90 the absolute magnitude of the Sun, M = 4.83
Q: Which star in the table below has the greatest diameter? Star Name d (parsecs) Parallax…
A: d. 58 Ori
Q: January 1st July 1st * * * Star A- Star Consider two pictures of the same part of the sky taken 6…
A:
Q: Q.4. The angular diameter of the sun from earth is 16 minute. If the distance of earth from the sun…
A: Given data, Angle is given θ=16 min=1660×π1800=0.00465 radian
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 apparent magnitude of the Sun as seen from Venus at perihelion? What is the apparent…
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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: What is the sun's mass?
A:
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?
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: is
A: The relationship between apparent visual magnitude(m), Absolute visual magnitude(Mv) and distance(d)…
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: What is an eclipsing binary?
A: Eclipsing binary is a variable star. It comes under binary star system.
Q: Star A has an apparent magnitude of –1.5 and is 12.6 light-years from Earth. Star B has an apparent…
A: Given: dA=12.6ly=3.863parsec, dB=15.6ly=4.783parsec, mvA=-1.5, mvB=0.4 The apparent magnitude of a…
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- I need the answer as soon as possibleIf a certain star is 4 times as hot as the sun and is 10000 times brighter than the sun, calculate the radius of the star.Stars A, B, C, D, and E have apparent magnitudes of 7, 3, -1, 15, and 0, respectively. 1) Which star appears brightest to us? 2) Which appears faintest?
- You measure a star to have a parallax angle of 0.04 arc-seconds. What fraction of a degree is this?Solve the following problem: Two stars, named A and B, each with a mass equal to the Sun's mass are in orbit around each other. If the distance between the two stars is 1.0 AU. What is the period of their orbit? Describe each step in solving the problem:What is the apparent magnitude of the sun as seen from Saturn about 10 AU away? Appear to magnitude of Saturn =