Question

What is the absolute magnitude and (B-V) of the very nearby star Xi Bootis? MV =...

What is the absolute magnitude and (B-V) of the very nearby star Xi Bootis?

MV = 7.67 and (B-V) = 1.17

MV = 6.80 and (B-V) = 1.17

MV = 7.67 and (B-V) = 6.80

MV = 1.17 and (B-V) = 7.54

MV = 4.52 to 4.67 and (B-V) = 1.17
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Answer #1
Star Type main sequence Dwarf Star
Galaxy Milky Way
Constellation Bootes
Absolute Magnitude 5.41 / 5.41
Visual / Apparent Magnitude 4.54
Right Ascension (R.A.) 14h 51m 23.28
Declination (Dec.) +19° 06` 02.3
Galactic Latitude 61.36 degrees
Galactic Longitude 23.09 degrees
1997 Distance from Earth 149.26 Parallax (milliarcseconds)
21.85 Light Years
6.70 Parsecs
2007 Revised Distance from Earth 148.98 Parallax (milliarcseconds)
21.89 Light Years
6.71 Parsecs
Galacto-Centric Distance 24,126.30 Light Years / 7,397.00 Parsecs
Proper Motion Dec. -66.43 ± 0.38 milliarcseconds/year
Proper Motion RA. 154.98 ± 0.48 milliarcseconds/year
B-V Index 0.72
Radial Velocity 1.59 ± 0.30 km/s
Iron Abundance -0.14 ± 9.99 Fe/H
Spectral Type

G8V + K4V
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