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QT Andromedae

QT Andromedae Facts

Location of QT Andromedae

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 QT Andromedae, the location is 00h 41m 17.3373108409 and 34° 25` 16.838181373 .

Proper Motion of QT Andromedae

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -37.10 miliarcseconds/year towards the north and 45.54 miliarcseconds/year east if we saw them in the horizon. . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties (Colour) of QT Andromedae

QT Andromedae has a spectral type of Ge D. This means the star is a white to yellow star.

Distance to QT Andromedae

The Parallax of the star is given as 22.95 which gives a calculated distance to QT Andromedae of 142.15 light years from the Earth or 43.58 parsecs. It would take a spaceship travelling at the speed of light, 142.15 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 8,988,957.62 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

Variable Type of QT Andromedae

The star is a rotating BY Draconis variable type which means that its size changes over time. The Variable Type is usually named after the first star of that type to be spotted.

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Additional QT Andromedae Facts and Figures

Visual Facts


Primary / Proper / Traditional NameQT Andromedae
Spectral TypeGe D
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
ColourWhite to Yellow
GalaxyMilky Way
ConstellationAndromeda
Right Ascension (R.A.)00h 41m 17.3373108409
Declination (Dec.)34° 25` 16.838181373
Distance from Earth22.95 Parallax (milliarcseconds)
 142.15 Light Years
 43.58 Parsecs
 8,988,957.62 Astronomical Units
Proper Motion Dec.-37.10 milliarcseconds/year
Proper Motion RA.45.54 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassRotating
Variable Star TypeBY Draconis

Related Stars


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