Star A is 4 magnitudes brighter than star B. How does the apparent brightness of star A compare with that of star B?
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 to cross the meridian at an elevation of 67°, as seen from an observatory at a…
A:
Q: The Hα spectral line has a rest wavelength of 6562.8 ˚A (remember: 1 ˚A = 10−10 m). In star A, the…
A: Given: The wavelength of the Hα=6562.8 Ao. The wavelength of Hα spectral of star A is 6568.4 Ao. The…
Q: The magnitude of star A is 11 more than that of star B. How is their corresponding brightness…
A: Stars that can be seen by the naked eye, tend to be greater in diameter and shine more brightly than…
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: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. The distance to…
A: Write the equation relating Luminosity Lsn and Lst to the absolute magnitude Msn and Mst of sun and…
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: If star B is a 5th magnitude star and star C is 9th magnitude, what is their brightness ratio? Light…
A: Apparent magnitude of the star m is the measure of brightness of star from earth. Brightness is also…
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: 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: The giant star Betelgeuse has an angular diameter as observed from Earth of about 0.05 arc seconds.…
A: Solution:-
Q: Apparent magnitude is the amount of light a star actually gives off O True O False
A:
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: 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: Using the proportionality relationships for stellar luminosity as a function of mass and stellar…
A: Stellar lifetime is directly proportional to Stellar mass. Stellar luminosity is inversely…
Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?
A:
Q: Consider a binary system in which both stars have circular orbits. For star 1, the radius of this…
A: Given: Distance between the stars =d= 0.5 AU + 0.125 AU Aperture = D = 2.4 m Distance of starts…
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: Two stars have the same apparent magnitude, my = 14, but Star A has a parallax of 0.060 arc seconds…
A: Required to compare two stars A and B
Q: Suppose the distance to a star is doubled. Then the luminosity of the star is O Remains the same,…
A: Luminosity and apparent brightness are 2 different things. Luminosity is unique property of body and…
Q: Why do distant stars look redder than their spectral types suggest?
A: The pace is mostly empty but there are areas of large density of the interstellar medium. It…
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: The apparent magnitude of a star is (4.3) and the parallax angle is (0.161) arcseconds. The absolute…
A:
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: 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: A star with apparent magnitude 5 is brighter than a star with apparent magnitude 15 by how much? A…
A:
Q: Consider two stars A and B, with apparent magnitudes mA = 3 and mB = 13. How much brighter (in…
A: Given, mA = 3 and mB = 13 Now, the difference in apparent magnitude is n = mB -…
Q: If star A is five light years away and star B is 10 light years away how much brighter is A than…
A: Given Data Distance of the star A is rA=5 light year Distance of the star B is rB=10 light year We…
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: 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: Why does the orbital period of a binary star depend on its mass?
A: A binary system is formed when two massive astronomical objects start orbiting each other around a…
Q: Given star A with apparent visual magnitude mv = 6.5, and star B with mv = 4.4, what is the flux…
A: Given, star A with apparent visual magnitude mA = 6.5, and star B with mB = 4.4, the flux ratio…
Q: Star 1 and star 2 have the same V-magnitude, V = 7.5. However, they have different B-magnitudes, B1…
A:
Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…
A: Given, star X is located 20 light-years from earth star Y is located 40 light-years from earth…
Q: You see a blue star directly over Avalon's equator. It appears to be moving north at 5.0 arcseconds…
A: Given: The star moves north at 5.0 arcseconds per year. To determine: The distance of this star from…
Q: Calculate the gravitational energy released by the Sun.
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: If we view a star now, and then view it again 6 months later, our position will have changed by the…
A:
Q: The surface temperatures and apparent magnitudes of stars in a hypothetical star cluster are…
A:
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: You measure a star to have a parallax angle of 0.12 arc-seconds What is the distance to this star in…
A: Write the given values of the problem- Parallax angle=0.12 arc-second
Q: If a star has a surface temperature of 3000 K but a luminosity 150 times greater than our Sun, what…
A: luminosity = 150 times greater than Sun, temperature = 3000 K what size is this star?
Step by step
Solved in 3 steps
