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AW Lacertae

Primary Facts on AW Lacertae

AW Lacertae's Alternative Names

AW Lacertae has alternative name(s) :- AW Lac.

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

Location of AW Lacertae

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 AW Lacertae, the location is 22 17 57.8823 and +54 28 02.298 .

Proper Motion of AW Lacertae

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 -2.98 miliarcseconds/year towards the north and -4.85 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 AW Lacertae

AW Lacertae has a spectral type of B2 D. This means the star is a blue star.

Distance to AW Lacertae

The Parallax of the star is given as 0.45 which gives a calculated distance to AW Lacertae of 7248.07 light years from the Earth or 2222.22 parsecs. It would take a spaceship travelling at the speed of light, 7248.07 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 458,362,583.82 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.

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Additional AW Lacertae Facts and Figures

Visual Facts


Primary / Proper / Traditional NameAW Lacertae
Alternative NamesAW Lac
Spectral TypeB2 D
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
Colour blue
GalaxyMilky Way
ConstellationLacerta
Right Ascension (R.A.)22 17 57.8823
Declination (Dec.)+54 28 02.298
Distance from Earth0.45 Parallax (milliarcseconds)
 7248.07 Light Years
 2222.22 Parsecs
 458,362,583.82 Astronomical Units
Proper Motion Dec.-2.98 milliarcseconds/year
Proper Motion RA.-4.85 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=aw%20lacertae

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