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14 Arietis

14 Arietis Facts

  • 14 Arietis is a giant star that can be located in the constellation of Aries. The description is based on the spectral class.
  • 14 Arietis is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (F2III) of the star, the star's colour is yellow to white .
  • The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.
  • Using the most recent figures given by the 2007 Hipparcos data, the star is 288.64 light years away from us. Distance

14 Arietis's Alternative Names

The Id of the star in the Yale Bright Star Catalogue is HR623. HIP10053 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD13174.

Flamsteed designations are named after the creator, Sir John Flamsteed. Sir John named the stars in the constellation with a number and its latin name, this star's Flamsteed designation is 14 Arietis. The Flamsteed name can be shortened to 14 Ari.

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+25 355.

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

Location of 14 Arietis

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 14 Arietis, the location is 02h 09m 25.29 and +25° 56` 23.9 .

Radial Velocity and Proper Motion of 14 Arietis

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 -34.99 ± 0.63 milliarcseconds/year towards the north and 70.46 ± 1.07 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 -3.90000 km/s with an error of about 0.90 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 14 Arietis

14 Arietis Colour and Temperature

Based on the star's spectral type of F2III , 14 Arietis's colour and type is yellow to white giant star. The star has a B-V Colour Index of 0.33 which means the star's temperature is about 7,066 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu.

14 Arietis Luminosity

Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. The figure of 79.33 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012.

14 Arietis Radius

14 Arietis estimated radius has been calculated as being 6.17 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 4,295,763.54.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 5.5533326028916987934111314238. 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.

14 Arietis Apparent and Absolute Magnitudes

14 Arietis has an apparent magnitude of 4.98 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 0.02 If you used the 2007 Parallax value, you would get an absolute magnitude of 0.25. 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 14 Arietis

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 10.19000 which gave the calculated distance to 14 Arietis as 320.08 light years away from Earth or 98.14 parsecs. If you want that in miles, it is about 1,881,630,409,448,609.89, based on 1 Ly = 5,878,625,373,183.61 miles.

In 2007, Hipparcos data was revised with a new parallax of 11.30000 which put 14 Arietis at a distance of 288.64 light years or 88.50 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 18,254,308.16 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 7,466.00 Parsecs or 24,351.36 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 14 Arietis

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)
Walking448,391,695,948.64
Car1201,613,056,531.62
Airbus A380736262,998,347.55
Speed of Sound (Mach 1)767.269252,280,209.15
Concorde (Mach 2)1,534.54126,139,940.17
New Horizons Probe33,0005,865,660.11
Speed of Light670,616,629.00288.64

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 14 Arietis Facts and Figures

Visual Facts


Primary / Proper / Traditional Name14 Arietis
Alternative NamesHD 13174, HIP 10053, HR 623, 14 Ari, BD+25 355
Spectral TypeF2III
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeGiant Star
ColourYellow - White
GalaxyMilky Way
ConstellationAries
Absolute Magnitude 0.02 / 0.25
Visual / Apparent Magnitude4.98
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)02h 09m 25.29
Declination (Dec.)+25° 56` 23.9
Galactic Latitude-33.70916227 degrees
Galactic Longitude144.07968587 degrees
1997 Distance from Earth10.19000 Parallax (milliarcseconds)
 320.08 Light Years
 98.14 Parsecs
2007 Distance from Earth11.30000 Parallax (milliarcseconds)
 288.64 Light Years
 88.50 Parsecs
 18,254,308.16 Astronomical Units
Galacto-Centric Distance24,351.36 Light Years / 7,466.00 Parsecs
Proper Motion Dec. -34.99000 ± 0.63000 milliarcseconds/year
Proper Motion RA.70.46000 ± 1.07000 milliarcseconds/year
B-V Index0.33
Radial Velocity-3.90000 ± 0.90 km/s
Eccentricity0.16860
Semi-Major Axis6306.0000000
Stellar Luminosity (Lsun)79.3300000

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Radius (x the Sun)5.55
Effective Temperature7,066 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
13174+25 355.0A5.1000077.00000-50.00000F0Yellow/White
B8.7000065.00000-34.00000F2Yellow/White1879
13152+25 354.0C7.7000089.00000-28.00000F2Yellow/White1875

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