Universe Guide

HIP 86214

HIP 86214 Facts

  • HIP 86214 is a star that can be located in the constellation of Scorpius. The description is based on the spectral class.
  • HIP 86214 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (M5) 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.
  • HIP 86214 has at least 2 Extrasolar Planets believed to be in orbit around the star.
  • Using the most recent figures given by the 2007 Hipparcos data, the star is 16.56 light years away from us. Distance

HIP 86214's Alternative Names

HIP86214 is the reference name for the star in the Hipparcos Star Catalogue. The Gliese ID of the star is GL 682. The star was part of the original catalogue devised by German Astronomer Wilheim Gliese of stars located within 20 parsecs of Earth. Star Names

HIP 86214 has alternative name(s) :- Gliese 682, GJ 682.

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

Location of HIP 86214

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 86214, the location is 17h 37m 04.24 and -44° 19` 01.0 .

Radial Velocity and Proper Motion of HIP 86214

Proper Motion

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 -937.40 ± 1.54 milliarcseconds/year towards the north and -708.98 ± 2.15 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is -60.00000 km/s with an error of about 21.00 km/s . 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.

Physical Properties of HIP 86214

HIP 86214 Colour and Temperature

Based on the star's spectral type of M5 , HIP 86214's colour and type is red star. The star has a B-V Colour Index of 1.65 which means the star's temperature is about 3,628 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu.

HIP 86214 Radius

HIP 86214 estimated radius has been calculated as being 0.08 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 53,694.68.km. If you need the diameter of the star, you just need to multiple the radius by 2. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 0.0778837785847609265852314190. The figure is derived at by using the formula from SDSS rather than peer reviewed papers. It has been known to produce widely incorrect figures.

HIP 86214 Apparent and Absolute Magnitudes

HIP 86214 has an apparent magnitude of 10.94 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. If you used the 1997 Parallax value, you would get an absolute magnitude of 12.43 If you used the 2007 Parallax value, you would get an absolute magnitude of 12.41. 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 86214

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 198.32000 which gave the calculated distance to HIP 86214 as 16.45 light years away from Earth or 5.04 parsecs. If you want that in miles, it is about 96,703,387,388,870.38, based on 1 Ly = 5,878,625,373,183.61 miles.

In 2007, Hipparcos data was revised with a new parallax of 196.90000 which put HIP 86214 at a distance of 16.56 light years or 5.08 parsecs. It should not be taken as though the star is moving closer or further away from us. It is purely that the distance was recalculated.

Using the 2007 distance, the star is roughly 1,047,817.91 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun. The star's Galacto-Centric Distance is 7,395.00 Parsecs or 24,119.78 Light Years. The Galacto-Centric Distance is the distance from the star to the Centre of the Galaxy which is Sagittarius A*.

Travel Time to HIP 86214

The time it will take to travel to this star is dependent on how fast you are going. U.G. has done some calculations as to how long it will take going at differing speeds. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet.

DescriptionSpeed (m.p.h.)Time (years)
Airbus A38073615,088,874.15
Speed of Sound (Mach 1)767.26914,473,947.70
Concorde (Mach 2)1,534.547,236,964.42
New Horizons Probe33,000336,527.62
Speed of Light670,616,629.0016.56

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 86214 Facts and Figures

Visual Facts

Primary / Proper / Traditional NameHIP 86214
Alternative NamesGliese 682, GJ 682, HIP 86214, Gliese 682
Spectral TypeM5
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
Absolute Magnitude 12.43 / 12.41
Visual / Apparent Magnitude10.94
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)17h 37m 04.24
Declination (Dec.)-44° 19` 01.0
Galactic Latitude-6.63498383 degrees
Galactic Longitude345.98851817 degrees
1997 Distance from Earth198.32000 Parallax (milliarcseconds)
 16.45 Light Years
 5.04 Parsecs
2007 Distance from Earth196.90000 Parallax (milliarcseconds)
 16.56 Light Years
 5.08 Parsecs
 1,047,817.91 Astronomical Units
Galacto-Centric Distance24,119.78 Light Years / 7,395.00 Parsecs
Proper Motion Dec.-937.40000 ± 1.54000 milliarcseconds/year
Proper Motion RA. -708.98000 ± 2.15000 milliarcseconds/year
B-V Index1.65
Radial Velocity-60.00000 ± 21.00 km/s
Semi-Major Axis7779.0000000

Companions (Multi-Star and Exoplanets) Facts

Exoplanet Count2

Estimated Calculated Facts

Radius (x the Sun)0.08
Effective Temperature3,628 Kelvin

Sources and Links

SIMBAD SourceLink

List of Extrasolar Planets orbiting HIP 86214

NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastron
GJ 682 bConfirmed0.007548998917.4780.0820140.0885.940
GJ 682 cConfirmed0.01446891457.3200.120140.176320.850

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