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ADS 16402 A

ADS 16402 A is a blue to white multiple star system that can be located in the constellation of Lacerta. The description is based on the spectral class.

ADS 16402 A's Alternative Names

BD number is the number that the star was filed under in the Durchmusterung or Bonner Durchmusterung, a star catalogue that was put together by the Bonn Observatory between 1859 to 1903. The star's BD Number is BD+37 4734.

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

Location of ADS 16402 A

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 star is compared to the celestial equator and is expressed in degrees. For ADS 16402 A, the location is 22h 57m 45.9214 and +38° 40` 27.198 .

Proper Motion of ADS 16402 A

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 -41.92 miliarcseconds/year towards the north and 31.88 miliarcseconds/year east if we saw them in the horizon. The Radial Velocity, that is the speed at which the star is moving away/towards us is -3.44000 km/s .

Physical Properties (Colour) of ADS 16402 A

ADS 16402 A has a spectral type of F8 E. This means the star is a blue to white multiple star system.

Distance to ADS 16402 A

The Parallax of the star is given as 6.21 which gives a calculated distance to ADS 16402 A of 525.22 light years from the Earth or 161.03 parsecs. It would take a spaceship travelling at the speed of light, 525.22 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

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ADS 16402 A Facts

Visual Facts


Primary / Proper / Traditional NameADS 16402 A
Alternative NamesBD+37 4734
Spectral TypeF8 E
Multiple Star SystemYes
Star TypeMultiple Star System
Colour blue to white
GalaxyMilky Way
ConstellationLacerta
Right Ascension (R.A.)22h 57m 45.9214
Declination (Dec.)+38° 40` 27.198
Distance from Earth6.21 Parallax (milliarcseconds)
 525.22 Light Years
 161.03 Parsecs
Proper Motion Dec.-41.92 milliarcseconds/year
Proper Motion RA.31.88 milliarcseconds/year
Radial Velocity-3.44 km/s
Associated / Clustered StarsADS 16402 B

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=ADS+16402+A

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