HIP76660 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD138699.
More details on objects' alternative names can be found at Star Names .
The location of the giant 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 76660, the location is 15h 39m 16.69 and -72° 51` 56.0 .
HIP 76660 has a spectral type of K4III. This means the star is a orange to red giant star. The star has a B-V Colour Index of 1.5 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,989 Kelvin.
HIP 76660 has an apparent magnitude of 8.69 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.
Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -0.92 which gave the calculated distance to HIP 76660 as -3545.25 light years away from Earth or -1086.96 parsecs. It would take a spaceship travelling at the speed of light, -3545.25 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.
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.
|Primary / Proper / Traditional Name||HIP 76660|
|Alternative Names||HD 138699, HIP 76660|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Star Type||Giant Star|
|Colour||Orange to Red|
|Visual / Apparent Magnitude||8.69|
|Naked Eye Visible||Requires a 7x50 Binoculars - Magnitudes|
|Right Ascension (R.A.)||15h 39m 16.69|
|Declination (Dec.)||-72° 51` 56.0|
|Galactic Latitude||-13.93 degrees|
|Galactic Longitude||314.64 degrees|
|Distance from Earth||-0.92 Parallax (milliarcseconds)|
|-3545.25 Light Years|
|-224,200,031.55 Astronomical Units|
|Effective Temperature||3,989 Kelvin|
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