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HIP 25275, HD243335

HIP 25275 is a white to yellow giant star that can be located in the constellation of Orion. The description is based on the spectral class. HIP 25275 is not part of the constellation but is within the borders of the constellation.

The star can not be seen by the naked eye, you need a telescope to see it.

HIP 25275's Alternative Names

HIP25275 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD243335.

BD number is the number that the star was filed under in the Durchmusterung or Bonner Durchmusterung, a star catalogue that was put together by the Bonn Observatory between 1859 to 1903. The star's BD Number is BD+14 898.

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

Location of HIP 25275

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 25275, the location is 05h 24m 20.25 and +14° 23` 16.6 .

Physical Properties (Colour, Temperature) of HIP 25275

HIP 25275 has a spectral type of G0III. This means the star is a white to yellow giant star. The star has a B-V Colour Index of 0.58 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 5,968 Kelvin.

HIP 25275 Apparent and Absolute Magnitudes

HIP 25275 has an apparent magnitude of 9.02 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 25275

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -1.18 which gave the calculated distance to HIP 25275 as -2764.10 light years away from Earth or -847.46 parsecs. It would take a spaceship travelling at the speed of light, -2764.10 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

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 25275 Facts

Visual Facts


Primary / Proper / Traditional NameHIP 25275
Alternative NamesHD 243335, HIP 25275, BD+14 898
Spectral TypeG0III
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeGiant Star
Colour white to yellow
GalaxyMilky Way
ConstellationOrion
Visual / Apparent Magnitude9.02
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)05h 24m 20.25
Declination (Dec.)+14° 23` 16.6
Galactic Latitude-11.92 degrees
Galactic Longitude189.76 degrees
Distance from Earth-1.18 Parallax (milliarcseconds)
 -2764.10 Light Years
 -847.46 Parsecs
B-V Index0.58

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Facts


Calculated Effective Temperature5,968 Kelvin

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
243335+14 898.0A9.100002.00000-19.00000G0Yellow
B12.700002.00000-19.000001991

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