31) Star Betelgeuse has an apparent magnitude of 0.42 and an absolute magnitude of -5.6. Estimate the distance

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: 7. The star 9 Sagittarii is a main sequence star with spectral type 05. Its apparent magnitude is…

A: Given information: The apparent magnitude of the "9 Sagittarii" (mv) = 6.0 The spectral type of "9…

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: What type of star has the longest life span? a. O b. K c. B d. A e. M

A: What type of star has the longest life span?

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: 3. A binary star system has magnitude - 1, when both stars are observed together. One of the stars…

A:

Q: The apparent magnitude of a star is (4.3) and the parallax angle is (0.161) arcseconds. The absolute…

A: The absolute magnitude of a star is given by the formula, M=m-5 log10D10 where D is distance of the…

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: Distinguish between eutectoid and eutectic terms a in binary system.

A: We have to give difference between eutectoid and eutectic  terms

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: 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: Part D By how much? ΑΣΦ LM=-2 100000000 %3D LM=8 Submit Previous Answers Request Answer

A:

Q: 3.   How bright would the sun be (in magnitude) if it was located 3.26 light years away from Earth?…

A: Absolute magnitude of Sun=+4.83

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: 1. Sirius A has an apparent magnitude of 4.72, determine its luminosity.

A: Please see the next step for solution:-

Q: 1. The parallax of a star is 0.32 seconds. Calculate the distance in a) Parsec 3.125 b) Lightyear

A: Given,p=0.32 second

Q: 31) Star Sirius has an apparent magnitude of -1.47 and an absolute magnitude of 1.41. Estimate the…

A: When studying a celestial object we use two types of magnitudes. The apparent magnitude and absolute…

Q: What is the distance to a star with a parallax angle of 0.5 arcseconds? A. 5 parsecs B. 15 parsecs O…

A: parallax method   It is one of the best method to find the distance of the nearby object by using a…

Q: 33) A star is observed to be having an absolute magnitude of -5.6 and is located at a distance of…

A: When studying a celestial object we use two types of magnitudes. The apparent magnitude and absolute…

Q: neid variable stars would a that is 10,000 times as lu

A: A variable star is, quite simply, a star that changes brightness. A star is considered variable if…

Q: Name the 2 astronomers that discovered these relationships (star's luminosity, temperature, absolute…

A: Ejnar Herstzprung and Henry Norris Russell were the two astronomers who modelled the…

Q: The a star system contains two stars, one with apparent magnitude m = 10.5 and the other with m =…

A:

Q: ocated at point F1, what is located at F2?

A: Given: In the figure, the sun locates at the F1 and at the F2 is given as,