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HIP 66365, HD118240

Primary Facts on HIP 66365

  • HIP 66365's star type is giant star that can be located in the constellation of Centaurus. The description is based on the spectral class.
  • HIP 66365 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (M0III) of the star, the star's colour is red .
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • The star is calculated at being about -2363.50 light years away from us.

HIP 66365's Alternative Names

HIP66365 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD118240.

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

Location of HIP 66365

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 66365, the location is 13h 36m 12.19 and -36° 40` 45.0 .

Physical Properties (Colour, Temperature) of HIP 66365

HIP 66365 has a spectral type of M0III. This means the star is a red giant star. The star has a B-V Colour Index of 1.58 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,827 Kelvin.

HIP 66365 Apparent and Absolute Magnitudes

HIP 66365 has an apparent magnitude of 8.84 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 66365

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -1.38 which gave the calculated distance to HIP 66365 as -2363.50 light years away from Earth or -724.64 parsecs. It would take a spaceship travelling at the speed of light, -2363.50 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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Additional HIP 66365 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHIP 66365
Alternative NamesHD 118240, HIP 66365
Spectral TypeM0III
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeGiant Star
Colour red
GalaxyMilky Way
ConstellationCentaurus
Visual / Apparent Magnitude8.84
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)13h 36m 12.19
Declination (Dec.)-36° 40` 45.0
Galactic Latitude25.33 degrees
Galactic Longitude312.85 degrees
Distance from Earth-1.38 Parallax (milliarcseconds)
 -2363.50 Light Years
 -724.64 Parsecs
 -149,466,687.70 Astronomical Units
B-V Index1.58

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Facts


Calculated Effective Temperature3,827 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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