What star has the largest stellar parallax as measured from opposite ends of the Earth's orbit about the Sun? Group of answer choices Sirius The Sun Barnard's star Proxima Centauri Alpha Centauri
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: Astronomers often measure large distances using astronomical units where 1 is the average distance…
A: θ = 0.00001389 degrees
Q: Absolute visual magnitude is a. the apparent magnitude of a star observed from Earth. b. the…
A:
Q: The bright star Spica in the constellation Virgo has a surface temperature about 4.4 times that of…
A: Use formula of luminosity and derive a relation for luminosity , radius and temperature of star and…
Q: Which spectral line does this likely correspond to?
A: we can use the doppler shift formula to find laboratory wavelength.
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: 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: The figure below shows the radial velocity of a star plotted as a function of time over the course…
A: Required to find the position of the planet when it is moving at 18 km/s,
Q: What is the surface temperature of a star that emits light with a wavelength of 400 nanometers?
A:
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: 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: 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 red supergiant star in Orion is called Betelgeuse, and its distance is 130 pc. What is the…
A: Parallax is the defined as the apparent shift in the position of any star (or other object) against…
Q: Which star in the table below has the greatest diameter? Star Name d (parsecs) Parallax…
A: d. 58 Ori
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: Which of these is NOT used as a spiral tracer? a. O stars b. B stars c. young open clusters…
A: Spiral tracers are objects that are commonly found in spiral arms and soare used to trace spiral…
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: 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 a distance of 1 parsec away has a parallax angle of 1 definition. by arcsecond arcminute…
A: A parsec is defined as the distance to a star which has a parallax angle of 1 arcsecond.
Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?
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: 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: 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…
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: 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: Star A and Star B are a bound binary at a distance of 20 pc from the Earth. Their separation is 30…
A:
Q: If a certain star is 4 times as hot as the sun and is 10000 times brighter than the sun, calculate…
A: Given, Temperature of star, TA=4xTE, Luminosity of star, LA=10000x LE.
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: Which of the following is least reasonable regarding the magnitude scale: Group of answer choices…
A: The magnitude scale in astronomy helps us to quantify the brightness and distance of celestial…
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: 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: Stars A and B both have the same spectral class. Star A is 7 times farther away than star B. The…
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: 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: Star A is located 5 times further from Earth than Star B. Star B has a 0.020 arc second stellar…
A: How far from Earth (in pc) is Star A? given, Star A is located 5 times farther from Earth than Star…
Q: If we view a star now, and then view it again 6 months later, our position will have changed by the…
A:
Q: If a star has a radial velocity of 25 km/sec and a transverse velocity of 60 km/sec what is the…
A:
Q: Question 32 Consider three Main Sequence stars, an O star, an F star and a K star, each with an…
A: Question 32: Among O star, F star, and K star each with a magnitude of 2 . which one is most…
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…
![](/static/compass_v2/shared-icons/check-mark.png)
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)