Question

A star has an apparent magnitude of 5.45, an absolute magnitude of 1.11, and a color...

A star has an apparent magnitude of 5.45, an absolute magnitude of 1.11, and a color of 0.12. What is the distance to this star?

1.36 parsecs

205 parsecs

74 parsecs

18.7 parsecs

1.87 parsecs

It cannot be determined

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Show that a star that has an absolute magnitude of -7, but an apparent magnitude of...
Show that a star that has an absolute magnitude of -7, but an apparent magnitude of +5 is at a distance of 2411 parsecs. Show that a star with a parallax of 0.065" with an apparent magnitude of 5.5 has an absolute magnitude of 4.6.
A certain star has an absolute magnitude of –1.0 and an apparent magnitude of 4.8. How...
A certain star has an absolute magnitude of –1.0 and an apparent magnitude of 4.8. How far away is this star (in parsecs)? ___________________
A nearby star with an apparent magnitude of 9.7 and a distance of 2 parsecs has...
A nearby star with an apparent magnitude of 9.7 and a distance of 2 parsecs has a luminosity of 1/100th of the Sun. What would its luminosity be if it were placed at a distance of 10 parsecs?
An unnamed star is found to have an apparent magnitude of +5.1 and an absolute magnitude...
An unnamed star is found to have an apparent magnitude of +5.1 and an absolute magnitude of -6.0. What can we conclude about its distance from us? Explain your reasoning.
If a stars absolute magnitude is numerically equal to its apparent magnitude, what do we know...
If a stars absolute magnitude is numerically equal to its apparent magnitude, what do we know about the star? A. It is 1 parsec from us. B. It is 10 parsecs from us. C. It is 1 light year from us. D. The star is a main sequence star. E. [The question is misleading; it is impossible for the two magnitudes to be equal.] ----------------------------------------- A star has an apparent magnitude of 6.5 and an absolute magnitude of 4. Ignoring...
Star 1 has an absolute magnitude of 5. Star 2 has an absolute magnitude of 7....
Star 1 has an absolute magnitude of 5. Star 2 has an absolute magnitude of 7. If Star 1 is 2 times (2X) further from earth than Star 2, which star has the lower apparent magnitude?
A B8 star (like one of the fainter members of the Pleiades) has an absolute magnitude...
A B8 star (like one of the fainter members of the Pleiades) has an absolute magnitude of about M=0. At the distance of Price-Whelan 1 (remember to use parsecs!), how faint would its apparent magnitude be, and how much fainter is that than the faintest star you can see with your eyes (apparent magnitude 6)? SHOW YOUR WORK. Just writing down the answer gets zero credit. If a B8 star has about 4 solar masses, about how long does it...
what would be the apparent magnitude of a star, of a distance 4.82*10^6 AU, having an...
what would be the apparent magnitude of a star, of a distance 4.82*10^6 AU, having an absolute magnitude M=3.26 in the V band?
Consider a star with a parallax of 0.0073??, an apparent visual magnitude, V (= mV) of...
Consider a star with a parallax of 0.0073??, an apparent visual magnitude, V (= mV) of 10.4 mag and an absolute blue magnitude of MB = 5.8 mag. Assuming there is no extinction between us and it, determine the star’s: (a.) Distance. Report your answer in pc. (b.) Color index (B?V or MB ? MV). (c.) The Spectral Type and Luminosity class. Explain how you arrived at this answer.
) Canopus (alpha Carinae) is the second-brightest star in the night sky, its apparent magnitude is...
) Canopus (alpha Carinae) is the second-brightest star in the night sky, its apparent magnitude is 0.7 m . Based on the parallax measurements of Hipparcos satellite, its parallax is approximately 0.01 arcseconds. (i) Find the distance to Canopus in parsecs and its absolute magnitude. [3 marks] (ii) Assuming that the absolute magnitude of the Sun is 4.8m show that the luminosity of Canopus in terms of the solar luminosity L⊙ is approximately 16000 L⊙. [2 marks] (iii) The emission...