The star Sirius has an apparent magnitude of -1.46 and appears 95-times brighter compared to the more distant star Tau Ceti, which has an absolute magnitude of 5.69. (a) Explain the terms apparent magnitude, absolute magnitude and bolometric magnitude. (b) Calculate the apparent magnitude of the star Tau Ceti. (c) Find the distance between the Earth and Tau Ceti.
Q: Time From this light curve, we can deduce that... the star has a high mass exoplanet orbiting it the…
A: Solution: The star having an exoplanet orbiting around the star gives a periodic symmetric variation…
Q: 1. Planet A has an orbital period of 12 years and radius that is 0.033 times the radius of the star.…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: 8) Star A has an apparent magnitude of 2.5 and star B has an apparent magnitude of 3.9. Calculate…
A: When studying stars astronomers use two different magnitudes, apparent and absolute magnitude.…
Q: 6) Estimate the distance to the star Aldebaran with absolute magnitude -0.641 and apparent magnitude…
A: The absolute magnitude is the magnitude of a celestial object if it was observed from a distance of…
Q: The Sun's angular diameter is measured to be 1920". The distance D of the Sun from the Earth is…
A: Given that,Sun's diameter : D = 1920'The distance of the sun from the earth : d = 1.496×1011 (m)…
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: 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: 29) Estimate the distance to the North Star if it has an absolute magnitude of -3.2 and an apparent…
A: In astronomy when studying a star or any celestial object we use two different magnitudes. Apparent…
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: 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: A certain binary system consists of two stars that have equal masses and revolve in circular orbits…
A:
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: 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: an object is a located at the following equatorial coordinates (J2000): 12h 27m 53.6s (right…
A:
Q: Considering that Earth experiences an average intensity of sunlight of 1330 W/m? and is at a…
A:
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…
A:
Q: The giant star Betelgeuse has an angular diameter as observed from Earth of about 0.05 arc seconds.…
A: Solution:-
Q: Problem 4. The mass of the sun is denoted by Mo 1. The star UY Scuti has a mass of 10M. Express the…
A:
Q: Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent…
A:
Q: A star spans a parallax angle θ = 2 arcsecond when seen on Earth (6 months spans 2θ). Its distance…
A: The astronomers use the unit Parsec, for measuring the distance. 1 parsec is the distance to a star…
Q: A new planet is discovered orbiting a distant star. Observations have confirmed that the planet has…
A: Given data: The radius of the circular orbit, R=30 AU=4.488×1012 m Time period, T=140 days=1.21×107…
Q: What are the names of the following three well-known constellations?
A: (5) is Cassiopeia Cassiopeia, in Greek mythology, was a vain queen who often boasted about her…
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: Which type of star would be the largest? a. M b. O c. B d. K e. A
A:
Q: Given that a pair of stars are found to be orbiting each other with a period of 11.86 [yrs] and a…
A:
Q: Raising a number in scientific notation to a power is easy: (5 x 105)2 = (5)² x (105)2 = 5 x 5 x 105…
A: Given data: Radius of sun (R) = 7×105 km Mass (m) = 2.0×1030 kg π = 3.14 Required: The volume in…
Q: Which of the following statements is CORRECT in terms of the star's absolute magnitude??
A: (1) Kepler's Law for Planetary motion states Every planet orbits in an elliptical shape with the…
Q: Stars A, B, C, D, and E have apparent magnitudes of 7, 3, -1, 15, and 0, respectively. 1) Which…
A: Here, Apparent Magnitude of Star A=7 B=3 C=-1 D=15 E=0
Q: Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent…
A: The expression for the luminosity of the sun is given as, L=4πd2b
Q: Two stars, named A and B, each with a mass equal to the Sun's mass are in orbit around each other.…
A:
Q: What is the apparent magnitude of the sun as seen from Saturn about 10 AU away? Appear to magnitude…
A:
Q: Which of the following is largest? the size of a typical star. 1 AU. the size of the earth. 1…
A: Required : Which of the following is largest. 1)The size of a typical star.2) 1 AU.3) The size of…
Q: Could you find the Mass of the Sun using the slope of the of T2 versus a3, using the values that are…
A: According to Kepler's law, the relation between the period of the planet and the semimajor axis of…
Q: Calculate the apparent magnitude of the Sun.
A: The apparent magnitude of a star is how bright the star is as observed from Earth. Apparent…
Q: )The apparent brightness of the Earth is inversely proportional to the square of the distance…
A:
Q: Explain how the brightness of a star can be used to estimate its distance from Earth.
A:
Q: Polaris has a parallax angle of 7.54 mas (1 mas = 0.001") and an apparent magnitude of 1.98. (a)…
A:
Q: What would be the distance to the nearest star, Alpha Centauri (4.4 light-years away). (Hint: Find…
A: Distance of star , Alpha centaurid=4.4 light years1 light year=Distance travelled by light in 1…
Q: The figure below shows the radial velocity of a star plotted as a function of time over the course…
A: The radial velocity is a function of time, and also the radial velocity varies simple harmonically…
Q: The Sun occupies an angle of approximately 0.5 degrees to us on Earth, at a distance of 150 million…
A:
Q: On February 28, 2010, Earth was equidistant from the spacecraft Dawn and the Sun, forming an…
A:
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 3 images