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HIP 25146, HD269475

HIP 25146 Facts

HIP 25146's Alternative Names

HIP25146 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD269475.

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

Location of HIP 25146

The location of the supergiant 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 25146, the location is 05h 22m 51.19 and -71° 43` 04.3 .

Physical Properties (Colour, Temperature) of HIP 25146

HIP 25146 Colour and Temperature

HIP 25146 has a spectral type of B3Iab:. This means the star is a blue supergiant star. The star has a B-V Colour Index of -0.01 which means the star's temperature is about 10,551 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu at being .

HIP 25146 Apparent and Absolute Magnitudes

HIP 25146 has an apparent magnitude of 11.58 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Using the supplied Parallax value, you would get an absolute magnitude of Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

Distance to HIP 25146

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -1.97 which gave the calculated distance to HIP 25146 as -1655.65 light years away from Earth or -507.61 parsecs. If you want that in miles, it is -1,110,306,421,804.

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 25146 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHIP 25146
Alternative NamesHD 269475, HIP 25146
Spectral TypeB3Iab:
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type very luminous Supergiant Star
ColourBlue
GalaxyMilky Way
ConstellationMensa
Visual / Apparent Magnitude11.58
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)05h 22m 51.19
Declination (Dec.)-71° 43` 04.3
Galactic Latitude-32.56 degrees
Galactic Longitude282.77 degrees
Distance from Earth-1.97 Parallax (milliarcseconds)
 -1655.65 Light Years
 -507.61 Parsecs
 -104,701,348.73 Astronomical Units
B-V Index-0.01
Radial Velocity251.00 ± 999.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Effective Temperature10,551 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


Comments and Questions

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