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RY Leonis Minoris (White Dwarf) Facts

RY Leonis Minoris Facts

Location of RY Leonis Minoris

The location of the dwarf 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 RY Leonis Minoris, the location is 09 24 15.2484202569 and +35 16 51.400826911 .

Radial Velocity and Proper Motion of RY Leonis Minoris

Proper Motion

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 -0.01 milliarcseconds/year towards the north and -145.34 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 2.20 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 RY Leonis Minoris

RY Leonis Minoris Colour and Temperature

RY Leonis Minoris has a spectral type of DA4 C. This means the star is a white dwarf star.

Distance to RY Leonis Minoris

The Parallax of the star is given as 17.39 which gives a calculated distance to RY Leonis Minoris of 187.61 light years from the Earth or 57.52 parsecs. It is about 125,814,385,767 miles from Earth.

The star is roughly 11,864,268.98 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.

Travel Time to RY Leonis Minoris

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.

DescriptionSpeed (m.p.h.)Time (years)
Walking431,453,596,441.67
Car1201,048,453,214.72
Airbus A380736170,943,458.92
Speed of Sound (Mach 1)767.269163,976,891.76
Concorde (Mach 2)1,534.5481,988,339.02
New Horizons Probe33,0003,812,557.14
Speed of Light670,616,629.00187.61

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Additional RY Leonis Minoris Facts and Figures

Visual Facts


Primary / Proper / Traditional NameRY Leonis Minoris
Spectral TypeDA4 C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeDwarf Star
ColourWhite
GalaxyMilky Way
ConstellationLeo Minor
Right Ascension (R.A.)09 24 15.2484202569
Declination (Dec.)+35 16 51.400826911
Distance from Earth17.39 Parallax (milliarcseconds)
 187.61 Light Years
 57.52 Parsecs
 11,864,268.98 Astronomical Units
Proper Motion Dec.-0.01 milliarcseconds/year
Proper Motion RA.-145.34 milliarcseconds/year
Radial Velocity2.20 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=ry%20Leonis%20minoris

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