A certain star is 13.7 times dimmer than a star with apparent magnitude m = 3.9.  What is the apparent magnitude of the dimmer star?

Q: Which spectral line does this likely correspond to?

A: we can use the doppler shift formula to find laboratory wavelength.

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: 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: 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: Which star in the table below has the greatest diameter?     Star Name d (parsecs) Parallax…

A: d. 58 Ori

Q: Favorite Star Polaris is 132 pc from Earth and has an apparent magnitude of 2.5. What is its…

A: When the brightness of a star is measured there are two ways, Apparent and absolute magnitudes.…

Q: the parallax angle of a star to be 0.002 arc-seconds.  what would the  distance be to this star?

A: Given, Parallax angle, p=0.002 arc-seconds

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: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…

A: Formula for absolute magnitude is, Mv=m-2.5log(d10)2 Where, Mv = absolute magnitude m = apparent…

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: 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: The absolute magnitude of a star in the Andromeda galaxy (distance 690 kpc) is M = 5. It explodes as…

A:

Q: 8 What sentence explains why a star can be much farther from Earth than the Sun, but still be…

A: The sentence that explains this is : Distance from the Earth and apparent brightness are related.

Q: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. What is the…

A: According to the guidelines, only one question will be answered. Please submit the other question…

Q: A star has a measured radial velocity of 300 km/s. If you measure the wavelength of a particular…

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: nitude m = 3.6.  What is the apparen

A: Given: To find the magnitude of the dimmer star is calculated shown as: m2 =3.6,b1b2  =12.4

Q: A star at a distance of 4 pc has an apparent magnitude of 2. What is its absolute magnitude? Given…

A: Apparent magnitude is used to determine how bright the star or an astronomical object appears as…

Q: Star 1 and star 2 have the same V-magnitude, V = 7.5. However, they have different B-magnitudes, B1…

A: The color index (B-V) of a star is defined as the difference between its B-magnitude and its…

Q: Which star in the table below is the closest to Earth?   Star Name d (parsecs) Parallax (seconds of…

A: Introduction: Parallax is the apparent displacement of an object because of a change in the…

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

A:

Q: Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the…

A: