The Id of the star in the Yale Bright Star Catalogue is HR7293. The Id of the star in the Henry Draper catalogue is HD179957.
HD 179957 has alternative name(s) :- LHS 3440.
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+49 2959B.
More details on objects' alternative names can be found at Star Names .
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 HD 179957, the location is 19 12 04.6793135318 and +49 51 13.997484571 .
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 630.17 milliarcseconds/year towards the north and -185.93 milliarcseconds/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 -41.10000 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.
Based on the star's spectral type of G3V C , HD 179957's colour and type is yellow main sequence star. Based on the star's spectral, the stars temperature is between 5,200.00 and 6,000.00 degrees kelvin.
The Parallax of the star is given as 39.60410 which gives a calculated distance to HD 179957 of 82.36 light years from the Earth or 25.25 parsecs. It is about 484,163,585,735,402 miles from Earth.
The star is roughly 5,208,150.07 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.
The time it will take to travel to this star is dependent on how fast you are going. U.G. has done some calculations as to how long it will take going at differing speeds. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).
The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet.
|Description||Speed (m.p.h.)||Time (years)|
|Speed of Sound (Mach 1)||767.269||71,985,165.00|
|Concorde (Mach 2)||1,534.54||35,992,535.59|
|New Horizons Probe||33,000||1,673,696.53|
|Speed of Light||670,616,629.00||82.36|
|Primary / Proper / Traditional Name||HD 179957|
|Alternative Names||LHS 3440, HD 179957, HR 7293, BD+49 2959B|
|Spectral Type||G3V C|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Star Type||Main Sequence Dwarf Star|
|Right Ascension (R.A.)||19 12 04.6793135318|
|Declination (Dec.)||+49 51 13.997484571|
|Distance from Earth||39.60410 Parallax (milliarcseconds)|
|82.36 Light Years|
|5,208,150.07 Astronomical Units|
|Proper Motion Dec.||630.16700 milliarcseconds/year|
|Proper Motion RA.||-185.92900 milliarcseconds/year|
|Radial Velocity||-41.10000 km/s|
|Calculated Temperature Range||5,200.00 - 6,000.00|
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