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HIP 25559

Primary Facts on HIP 25559

HIP 25559's Alternative Names

HIP25559 is the reference name for the star in the Hipparcos Star Catalogue.

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

Location of HIP 25559

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 HIP 25559, the location is 05h 27m 45.85 and -28° 47` 58.7 .

Proper Motion of HIP 25559

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 -176.21 ± 1.88 miliarcseconds/year towards the north and -41.48 ± 2.49 miliarcseconds/year east if we saw them in the horizon. . 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.

HIP 25559 Luminosity

Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. The figure of 0.18 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012.

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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Additional HIP 25559 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHIP 25559
Alternative NamesHIP 25559
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeStar
GalaxyMilky Way
ConstellationColumba
Absolute Magnitude 7.02 / 7.28
Visual / Apparent Magnitude10.12
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)05h 27m 45.85
Declination (Dec.)-28° 47` 58.7
Galactic Latitude-29.88 degrees
Galactic Longitude232.20 degrees
1997 Distance from Earth23.99 Parallax (milliarcseconds)
 135.96 Light Years
 41.68 Parsecs
2007 Distance from Earth27.10 Parallax (milliarcseconds)
 120.36 Light Years
 36.90 Parsecs
 7,611,118.32 Astronomical Units
Galacto-Centric Distance24,198.06 Light Years / 7,419.00 Parsecs
Proper Motion Dec.-176.21 ± 1.88 milliarcseconds/year
Proper Motion RA.-41.48 ± 2.49 milliarcseconds/year
B-V Index1.20
Stellar Luminosity (Lsun)0.18

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


SIMBAD SourceLink

Multi-Star System

The star has been identified as being a multi-star system, one in which there is at least one star in close orbit to another star or two or more stars orbiting a central point. The stars may be of equal mass, unequal mass where one star is stronger than the other or be in groups orbiting a central point which doesn't necessarily have to be a star. More information can be found on my dedicated multiple star systems page. The source of the info is Simbad. The file is dated 2000 so any differences between this and any other source will be down to the actual source from where the information came from.


Proper Motion mas/yr
H.D. IdB.D. IdStar CodeMagnitudeR.A.Dec.SpectrumColourYear
-28 2186.2A9.80000-10.00000-197.00000
B1975

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