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WD 1145+017

WD 1145+017 Facts

Location of WD 1145+017

The location of the dwarf 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 WD 1145+017, the location is 11h 48m 33.63 and +01 ° 28` 59.4 .

Physical Properties (Colour) of WD 1145+017

WD 1145+017 Colour and Temperature

WD 1145+017 has a spectral type of DB. This means the star is a white dwarf star.

WD 1145+017 Apparent and Absolute Magnitudes

WD 1145+017 has an apparent magnitude of 17.00 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 WD 1145+017 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameWD 1145+017
Spectral TypeDB
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeDwarf Star
ColourWhite
GalaxyMilky Way
ConstellationVirgo
Visual / Apparent Magnitude17.00
Naked Eye VisibleRequires 8m Telescope - Magnitudes
Right Ascension (R.A.)11h 48m 33.63
Declination (Dec.)+01 ° 28` 59.4

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

List of Extrasolar Planets orbiting WD 1145+017


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastron
WD 1145+017 bConfirmed2.1e-0060.1882015

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