The Id of the star in the Henry Draper catalogue is HD134498.
More details on objects' alternative names can be found at Star Names .
The location of the subgiant 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 HD 134498, the location is 15h 10m 15.0040 and -01° 03` 34.414 .
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 3.20 miliarcseconds/year towards the north and -5.50 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.
HD 134498 has a spectral type of A2/3IV. This means the star is a blue subgiant star.
|Primary / Proper / Traditional Name||HD 134498|
|Alternative Names||HD 134498|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Star Type||Subgiant Star|
|Right Ascension (R.A.)||15h 10m 15.0040|
|Declination (Dec.)||-01° 03` 34.414|
|Proper Motion Dec.||3.20 milliarcseconds/year|
|Proper Motion RA.||-5.50 milliarcseconds/year|
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