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VY Lacertae

VY Lacertae Facts

VY Lacertae's Alternative Names

The Id of the star in the Henry Draper catalogue is HD216160.

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

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

Location of VY 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 VY Lacertae, the location is 22 49 59.1342 and +45 00 16.028 .

Proper Motion of VY 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 -6.20 milliarcseconds/year towards the north and 8.80 milliarcseconds/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 VY Lacertae

VY Lacertae Colour and Temperature

VY Lacertae has a spectral type of A2 D. This means the star is a blue star.

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Additional VY Lacertae Facts and Figures

Visual Facts

Primary / Proper / Traditional NameVY Lacertae
Alternative NamesVY Lac, HD 216160
Spectral TypeA2 D
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
Right Ascension (R.A.)22 49 59.1342
Declination (Dec.)+45 00 16.028
Proper Motion Dec.-6.20 milliarcseconds/year
Proper Motion RA.8.80 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Sources and Links


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