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RY Hydrae

RY Hydrae Facts

RY Hydrae's Alternative Names

RY Hydrae has alternative name(s) :- Ry Hya.

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

Location of RY Hydrae

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 RY Hydrae, the location is 08 20 06.3199265844 and +02 45 56.187586093 .

Radial Velocity and Proper Motion of RY Hydrae

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 -1.20 miliarcseconds/year towards the north and -3.37 miliarcseconds/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 17.00 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.

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Additional RY Hydrae Facts and Figures

Visual Facts


Primary / Proper / Traditional NameRY Hydrae
Alternative NamesRy Hya
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
ConstellationHydra
Right Ascension (R.A.)08 20 06.3199265844
Declination (Dec.)+02 45 56.187586093
Proper Motion Dec.-1.20 milliarcseconds/year
Proper Motion RA.-3.37 milliarcseconds/year
Radial Velocity17.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


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

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