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FQ Ursae Majoris

FQ Ursae Majoris Facts

FQ Ursae Majoris's Alternative Names

HIP43205 is the reference name for the star in the Hipparcos Star Catalogue.

FQ Ursae Majoris has alternative name(s) :- FQ UMa, FQ UMa.

BD number is the number that the star was filed under in the Durchmusterung or Bonner Durchmusterung, a star catalogue that was put together by the Bonn Observatory between 1859 to 1903. The star's BD Number is BD+47 1612.

More details on objects' alternative names can be found at Star Names .

Location of FQ Ursae Majoris

The location of the giant star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For FQ Ursae Majoris, the location is 08h 48m 06.27 and +46° 41` 30.7 .

Physical Properties (Colour, Temperature) of FQ Ursae Majoris

FQ Ursae Majoris Colour and Temperature

FQ Ursae Majoris has a spectral type of K5III. This means the star is a orange to red giant star. The star has a B-V Colour Index of 1.64 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,671 Kelvin.

FQ Ursae Majoris Apparent and Absolute Magnitudes

FQ Ursae Majoris has an apparent magnitude of 8.17 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Using the supplied Parallax value, you would get an absolute magnitude of Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

Distance to FQ Ursae Majoris

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -0.35 which gave the calculated distance to FQ Ursae Majoris as -9318.95 light years away from Earth or -2857.14 parsecs. It would take a spaceship travelling at the speed of light, -9318.95 years to get there. We don't have the technology or spaceship that can carry people over that distance yet. FQ Ursae Majoris brightness ranges from a magnitude of 8.302 to a magnitude of 8.244 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 4.0 days (variability).

Source of Information

The source of the information if it has a Hip I.D. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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Additional FQ Ursae Majoris Facts and Figures

Visual Facts


Primary / Proper / Traditional NameFQ Ursae Majoris
Alternative NamesFQ UMa, HIP 43205, BD+47 1612, FQ UMa
Spectral TypeK5III
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeGiant Star
ColourOrange to Red
GalaxyMilky Way
ConstellationUrsa Major
Visual / Apparent Magnitude8.17
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)08h 48m 06.27
Declination (Dec.)+46° 41` 30.7
Galactic Latitude39.00 degrees
Galactic Longitude173.35 degrees
Distance from Earth-0.35 Parallax (milliarcseconds)
 -9318.95 Light Years
 -2857.14 Parsecs
 -589,323,322.06 Astronomical Units
B-V Index1.64

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Mean Variability Period in Days3.998
Variable Magnitude Range (Brighter - Dimmer)8.244 - 8.302

Estimated Calculated Facts


Effective Temperature3,671 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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