Universe Guide

DW Ursae Majoris

DW Ursae Majoris Facts

DW Ursae Majoris's Alternative Names

DW Ursae Majoris has alternative name(s) :- DW Uma.

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

Location of DW Ursae Majoris

The location of the 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 DW Ursae Majoris, the location is 10h 33m 53.00 and 58° 46` 55.00 .

Physical Properties (Colour) of DW Ursae Majoris

DW Ursae Majoris Colour and Temperature

DW Ursae Majoris has a spectral type of M3. This means the star is a red star.

DW Ursae Majoris Apparent and Absolute Magnitudes

DW Ursae Majoris has an apparent magnitude of 14.40 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 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.

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Additional DW Ursae Majoris Facts and Figures

Visual Facts

Primary / Proper / Traditional NameDW Ursae Majoris
Alternative NamesDW Uma
Spectral TypeM3
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
ConstellationUrsa Major
Visual / Apparent Magnitude14.40
Naked Eye VisibleRequires 8m Telescope - Magnitudes
Right Ascension (R.A.)10h 33m 53.00
Declination (Dec.)58° 46` 55.00

Companions (Multi-Star and Exoplanets) Facts

Exoplanet Count1

Sources and Links


List of Extrasolar Planets orbiting DW Ursae Majoris

NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastron
DW Uma bConfirmed4967.00020165.8

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