Universe Guide

176 G. Ceti

176 G. Ceti Facts

  • 176 G. Ceti is a star that can be located in the constellation of Cetus. The description is based on the spectral class.
  • 176 G. Ceti is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (K0) of the star, the star's colour is orange to red .
  • 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 683.78 light years away from us. Distance

176 G. Ceti's Alternative Names

HIP8094 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD10658.

The Gould star designation is one that was designed by American astronomer, Benjamin Apthorp Gould. Gould stars are predominantly in the Southern and Equatorial constellations but do appear in northern constellations such as Bootes and Orion. The star has the designation 176 G. Ceti. There are no stars with a Gould designation in Ursa Major for example.

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-05 309.

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

Location of 176 G. Ceti

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 176 G. Ceti, the location is 01h 43m 54.81 and -04° 45` 55.6 .

Radial Velocity and Proper Motion of 176 G. Ceti

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 -31.66 ± 0.33 milliarcseconds/year towards the north and -25.58 ± 0.53 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 20.50000 km/s with an error of about 0.60 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 176 G. Ceti

176 G. Ceti Temperature and Colour

Based on the star's spectral type of K0 , 176 G. Ceti's colour and type is orange to red star. The star has a B-V Colour Index of 1.53 which means the star's temperature is about 3,949 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu.

176 G. Ceti 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 378.96 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012.

176 G. Ceti Radius

176 G. Ceti estimated radius has been calculated as being 25.23 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 17,555,716.93.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 24.095345807922344955233505128. 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.

176 G. Ceti Apparent and Absolute Magnitudes

176 G. Ceti has an apparent magnitude of 6.20 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 -0.51 If you used the 2007 Parallax value, you would get an absolute magnitude of -0.41. 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 176 G. Ceti

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 4.55000 which gave the calculated distance to 176 G. Ceti as 716.84 light years away from Earth or 219.78 parsecs. If you want that in miles, it is about 4,214,033,812,512,938.99, based on 1 Ly = 5,878,625,373,183.61 miles.

In 2007, Hipparcos data was revised with a new parallax of 4.77000 which put 176 G. Ceti at a distance of 683.78 light years or 209.64 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 43,241,052.67 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 7,483.00 Parsecs or 24,406.80 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 176 G. Ceti

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 A380736623,035,650.24
Speed of Sound (Mach 1)767.269597,644,683.39
Concorde (Mach 2)1,534.54298,821,952.23
New Horizons Probe33,00013,895,582.99
Speed of Light670,616,629.00683.78

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 176 G. Ceti Facts and Figures

Visual Facts

Primary / Proper / Traditional Name176 G. Ceti
Alternative NamesHD 10658, HIP 8094, BD-05 309
Spectral TypeK0
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
ColourOrange to Red
GalaxyMilky Way
Absolute Magnitude -0.51 / -0.41
Visual / Apparent Magnitude6.20
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)01h 43m 54.81
Declination (Dec.)-04° 45` 55.6
Galactic Latitude-64.37525480 degrees
Galactic Longitude154.46614365 degrees
1997 Distance from Earth4.55000 Parallax (milliarcseconds)
 716.84 Light Years
 219.78 Parsecs
2007 Distance from Earth4.77000 Parallax (milliarcseconds)
 683.78 Light Years
 209.64 Parsecs
 43,241,052.67 Astronomical Units
Galacto-Centric Distance24,406.80 Light Years / 7,483.00 Parsecs
Proper Motion Dec.-31.66000 ± 0.33000 milliarcseconds/year
Proper Motion RA.-25.58000 ± 0.53000 milliarcseconds/year
B-V Index1.53
Radial Velocity20.50000 ± 0.60 km/s
Semi-Major Axis8723.0000000
Stellar Luminosity (Lsun)378.9600000

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Estimated Calculated Facts

Radius (x the Sun)24.10
Effective Temperature3,949 Kelvin

Sources and Links

SIMBAD SourceLink

Related Stars

Comments and Questions

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