The Id of the star in the Henry Draper catalogue is HD248104.
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+32 1105.
More details on objects' alternative names can be found at Star Names .
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 HD 248104, the location is 05 50 39.2931166719 and +32 26 34.296809097 .
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 -7.74 milliarcseconds/year towards the north and -0.13 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 23.14 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.
HD 248104 has a spectral type of M2 D~. This means the star is a red star.
The Parallax of the star is given as 0.92 which gives a calculated distance to HD 248104 of 3564 light years from the Earth or 1092 parsecs. It is about 2,390,077,665,756 miles from Earth.
The star is roughly 225,239,598.93 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||3,115,045,265.00|
|Concorde (Mach 2)||1,534.54||1,557,520,602.00|
|New Horizons Probe||33,000||72,426,595.00|
|Speed of Light||670,616,629.00||3,564.00|
|Primary / Proper / Traditional Name||HD 248104|
|Alternative Names||HD 248104, BD+32 1105|
|Spectral Type||M2 D~|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Right Ascension (R.A.)||05 50 39.2931166719|
|Declination (Dec.)||+32 26 34.296809097|
|Distance from Earth||0.92 Parallax (milliarcseconds)|
|3564 Light Years|
|225,239,598.93 Astronomical Units|
|Proper Motion Dec.||-7.74 milliarcseconds/year|
|Proper Motion RA.||-0.13 milliarcseconds/year|
|Radial Velocity||23.14 km/s|
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