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ADS 16402 B

Primary Facts on ADS 16402 B

ADS 16402 B'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 4734B.

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

Location of ADS 16402 B

The location of the main sequence 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 ADS 16402 B, the location is 22h 57m 46.844 and +38° 40` 30.33 .

Radial Velocity and Proper Motion of ADS 16402 B

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 -43.20 miliarcseconds/year towards the north and 32.70 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 the Sun is -2.94 km/s . 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 ADS 16402 B

ADS 16402 B has a spectral type of G0V C. This means the star is a white to yellow main sequence star.

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Additional ADS 16402 B Facts and Figures

Visual Facts


Primary / Proper / Traditional NameADS 16402 B
Alternative NamesBD+37 4734B
Spectral TypeG0V C
Constellation's Main StarNo
Multiple Star SystemYes
Star Type main sequence Dwarf Star
Colour white to yellow
GalaxyMilky Way
ConstellationLacerta
Right Ascension (R.A.)22h 57m 46.844
Declination (Dec.)+38° 40` 30.33
Proper Motion Dec.-43.20 milliarcseconds/year
Proper Motion RA.32.70 milliarcseconds/year
Radial Velocity-2.94 km/s
Associated / Clustered StarsADS 16402 A

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=ADS+16402B&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id

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