Assume all Starlight in a galaxy Comes from the disk with le(R,Z) =laeRIHa Cosh (리 h) Where hz= 300kpe, ha =2.6kpc and given absalute. magnitude Mg= -20.7 %3D derive leo in units LBopes
Q: Q15. The space observatory Gaia was launched in 2013 as the successor to Hipparcos and is returning…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: Recall that Hubble’s Law is given by V=HR; this means that H has units of inverse seconds (1/sec).…
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Q: = 2. Using a Hubble constant of Ho 70 km/s/Mpc, find the distance to the galaxy cluster that moves…
A: Distance to the galaxy cluster is 92.8571 Mpc or 3.029×108light years. Explanation:Hubble's law…
Q: Q8. Measured the parallax angle of the Sirius Yanmaniya star, see Figure, and found 0.377 arcsec.…
A: Given : Parallax angle of Sirius Yamaniya star, p* =0.377 arcsec
Q: Describe what the main differences that can occur between the life cycles of a Sun- sized star and a…
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Q: Orbital Period= Orbital Radius= Brightness Drop= Planet Radius= Doppler Shift = Velocity = yrs AU %…
A: We know the formula of orbital period T = 2πR3GMWhere R = 2615.42 RsunR = 2615.42 ×696340×103m =…
Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…
A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…
Q: Galaxy will emit synchrotron radiation as a sun forms
A: The star forming region of a Spiral Galaxy will emit synchrotron radiation as a sun forms in the…
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: Please find the coordinates of the star system Cen X-3 in the • equatorial coordinate system (give…
A: Required : The coordinates of the star system Cen X-3.
Q: How many parsecs are there in 212 light-years?
A: We know that 1 light year = 0.3066 parsecs
Q: 25) Recall that Hubble’s Law is given by V=HR; this means that H has units of inverse seconds…
A: A parsec is 3.26 light-years and the speed of light is 3 X 105 km/sec. Use 3.156 X 107 sec/yr.
Q: Our galaxy is approximately 100,000 light years in diameter and 2,000 light years thick through the…
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Q: 4. Our Sun now spins once every 25 days and was formed from the gravitational contraction of an…
A: Given data The time taken by the sun is given as T1 = 25 days. The distance of the cloud is given…
Q: If the active core of a galaxy contains a black hole of 10° Mo, what will the orbital period be for…
A: This problem can be solved using the formula for circular velocity and then dividing the distance by…
Q: If a super nova has an absolute magnitude of -20 and a distance of 10 million parsecs calculate the…
A: Detailed solution is given below:
Q: 1.004 1.002 1.000- 0.998 0.996 0.994 0.992 0.990 10 20 30 40 50 t-2458543 [BJD] From the data,…
A: A: Orbital period of the planet can be estimated from the plot. B: The orbital distance of the…
Q: We observe a star that is dstar away. How much extinction would there need to be (i.e., what must 7…
A: A star is observed that is at a distance away.We need to find the value of the extinction required…
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: The Tully-Fischer method relies on being able to relate the mass of a galaxy to its rotation…
A: Given: Distance of galactic center of Milky way r = 50 kpc r=50kpc3.086×1019m1kpc=154.3×1019m.…
Q: The distance to the Pleiades is 136.2 pc. The absolute V magnitude (M,) of Sirius is -0.57. What…
A: Given information: It has been assumed that Sirius is situated at Pleiades, which is at a distance…
Q: Show work. For the following: A parsec is a distance equal to 3.26 light years. The speed of light…
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Q: A galaxy with a luminosity of 1045 erg si is located at a redshift, z = 1. Calculate the flux of…
A: The luminosity of the galaxy is given as, L=1045 erg/s. The value of redshift is given as, z=1. TO…
Q: If a galaxy is 100,000,000 parces away and has absolute magnitude of -20.0 what is the galaxies…
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Q: alaxy? Explain.
A: Given: To explain the how astronomers find the distance of the galaxy is given as,
Q: Suppose you are observing the Milky Way from another galaxy at a distance of 10 Mpc. We assume that…
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Q: Use excel calculator to fill in the missing calculations. 1pc = 3.26 ly Galaxy Andromeda Large Mag.…
A: We need to complete the table in Excel. 1pc = 3.26 lyAlso, 1 ly=9.461e+12 km
Q: What would be your estimate for the age of the universe if you measured Hubbleʹs constant to be 33…
A: We are given the value of Hubble constant. We are to find the age of universe. We are also given the…
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +21, how far…
A: Apparent magnitude mV = + 21 Absolute magnitude MV = - 17
Q: Convert equatorial coordinates to galactic coordinates. Step-by-Step RA: 02h 32min 12sec…
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Q: A star rotates in a circular orbit about the center of its galaxy. The radius of the orbit is 4.1 x…
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Q: Question 2: The integrated light from the Milky Way globular cluster NGC 104 has an apparent…
A: Step 1: Given: Apparent magnitude(mV) = 4.03 mag Absolute magnitude(MV) = -9.52 mag distance of NGC…
Q: At the very center (nucleus) of our galaxy lies an object called Sagittarius A*. A star called S2…
A: Requried :: What object is Saggitarius A*.
Q: The light curve (apparent magnitude as a function of time) of the star d-Cephei is 3.5 8-Cephei…
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Q: How about 11518 light-years? how many sig figs are there?
A: The given quantity is 11518 light-years.
Q: Use this table of magnitudes to determine the following. (a) What is the ratio of the distance to…
A: According to question this is given that Diameter of the Milky Way galaxy dMW=1021meters approx…
Q: The center of our Galaxy is about 7500 parsecs from Earth. What would be the parallax angle of a…
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Q: Assuming a mass loss rate of 3*10^-8 solar masses yr^-1 and a stellar wind velocity of 100 km s^-1…
A: Required : Mass density at the 100 AU
Q: Suppose there exists a hypothetical galaxy with mass MG around the center of which a solar system…
A: Given, Mass of Galaxy = 1× 10 40 kg Mass of solar system = 2× 1028 kg Radius = 2.5 × 1020 m We need…
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