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HomeFactsConstellationsComa Berenices

HIP 64634

HIP 64634 is a star that can be located in the constellation of ComaBerenices. The description is based on the spectral class. The star can not be seen by the naked eye, you need a telescope to see it.

HIP 64634's Alternative Names

HIP64634 is the reference name for the star in the Hipparcos Star Catalogue.

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

Location of HIP 64634

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 star is compared to the celestial equator and is expressed in degrees. For HIP 64634, the location is 13h 14m 52.98 and +29° 44` 56.7 .

Proper Motion of HIP 64634

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 -40.20 ± 1.54 miliarcseconds/year towards the north and 74.02 ± 2.41 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 us is 8.00000 km/s with an error of about 0.70 km/s .

Source of Information

The source of the information if it has a Hip I.D. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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HIP 64634 Facts

Visual Facts


 HIP 64634
Alternative NamesHIP 64634
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
ConstellationComa Berenices
Absolute Magnitude5.53 / 5.68
Visual / Apparent Magnitude11.00
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)13h 14m 52.98
Declination (Dec.)+29° 44` 56.7
Galactic Latitude84.22 degrees
Galactic Longitude61.26 degrees
1997 Distance from Earth8.07 Parallax (milliarcseconds)
 404.17 Light Years
 123.92 Parsecs
2007 Distance from Earth8.61 Parallax (milliarcseconds)
 378.82 Light Years
 116.14 Parsecs
Proper Motion Dec.-40.20 ± 1.54 milliarcseconds/year
Proper Motion RA.74.02 ± 2.41 milliarcseconds/year
B-V Index0.80
Radial Velocity8.00 ± 0.70 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


SIMBAD SourceLink

Related Stars


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