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HD 114975

HD 114975 Facts

  • HD 114975 is a variable star that can be located in the constellation of Canes Venatici. The description is based on the spectral class.
  • HD 114975 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (M0) 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.
  • Using the most recent figures given by the 2007 Hipparcos data, the star is 1672.63 light years away from us. Distance

HD 114975's Alternative Names

HIP64530 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD114975.

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+37 2383.

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

Location of HD 114975

The location of the variable 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 HD 114975, the location is 13h 13m 35.94 and +36° 53` 15.3 .

Radial Velocity and Proper Motion of HD 114975

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 0.54 ± 0.22 milliarcseconds/year towards the north and 2.89 ± 0.38 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 0.32000 km/s with an error of about 0.19 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 HD 114975

HD 114975 Colour and Temperature

Based on the star's spectral type of M0 , HD 114975's colour and type is red variable star. The star has a B-V Colour Index of 1.61 which means the star's temperature is about 3,747 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu.

HD 114975 Radius

HD 114975 estimated radius has been calculated as being 45.87 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 31,918,020.97.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 56.958185487355716663231355692. 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.

HD 114975 Apparent and Absolute Magnitudes

HD 114975 has an apparent magnitude of 6.50 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 -1.58 If you used the 2007 Parallax value, you would get an absolute magnitude of -2.05. 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 HD 114975

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 2.42000 which gave the calculated distance to HD 114975 as 1347.78 light years away from Earth or 413.22 parsecs. If you want that in miles, it is about 7,923,093,705,469,405.89, based on 1 Ly = 5,878,625,373,183.61 miles.

In 2007, Hipparcos data was revised with a new parallax of 1.95000 which put HD 114975 at a distance of 1672.63 light years or 512.82 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 105,775,980.88 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 7,431.00 Parsecs or 24,237.20 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 HD 114975

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)
Walking4280,423,373,041.07
Car1209,347,445,768.04
Airbus A3807361,524,040,070.88
Speed of Sound (Mach 1)767.2691,461,929,899.64
Concorde (Mach 2)1,534.54730,963,997.14
New Horizons Probe33,00033,990,711.88
Speed of Light670,616,629.001,672.63
HD 114975 brightness ranges from a magnitude of 6.614 to a magnitude of 6.552 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 0.0 days (variability).

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 HD 114975 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHD 114975
Alternative NamesHD 114975, HIP 64530, BD+37 2383
Spectral TypeM0
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
ColourRed
GalaxyMilky Way
ConstellationCanes Venatici
Absolute Magnitude -1.58 / -2.05
Visual / Apparent Magnitude6.50
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)13h 13m 35.94
Declination (Dec.)+36° 53` 15.3
Galactic Latitude79.17433776 degrees
Galactic Longitude98.65623697 degrees
1997 Distance from Earth2.42000 Parallax (milliarcseconds)
 1347.78 Light Years
 413.22 Parsecs
2007 Distance from Earth1.95000 Parallax (milliarcseconds)
 1672.63 Light Years
 512.82 Parsecs
 105,775,980.88 Astronomical Units
Galacto-Centric Distance24,237.20 Light Years / 7,431.00 Parsecs
Proper Motion Dec.0.54000 ± 0.22000 milliarcseconds/year
Proper Motion RA.2.89000 ± 0.38000 milliarcseconds/year
B-V Index1.61
Radial Velocity0.32000 ± 0.19 km/s
Eccentricity0.21750
Semi-Major Axis9151.0000000

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Mean Variability Period in Days0.048
Variable Magnitude Range (Brighter - Dimmer)6.552 - 6.614

Estimated Calculated Facts


Radius (x the Sun)56.96
Effective Temperature3,747 Kelvin

Sources and Links


SIMBAD SourceLink

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