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Linteum, Delta Piscium, 63 Piscium, HD4656, HIP3786, HR224

Linteum (Delta Piscium) is a orange to red star that can be located in the constellation of Pisces. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.

Delta Piscium is the Bayer Classification for the star. The Id of the star in the Yale Bright Star Catalogue is HR224. HIP3786 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD4656. The Id of the star in the Gould Star Catalogue is 97. Stars in the southern hemisphere are more likely to have a Gould Id than the northern hemisphere. For example, there are no Gould classified stars in Ursa Major.

Location of Linteum

The location of the star in the galaxy 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 star is compared to the celestial equator and is expressed in degrees. For Linteum, the location is 00h 48m 40.90 and +07d 35` 06.7 .

Proper Motion of Linteum

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 -49.58 ± 0.14 miliarcseconds/year towards the north and 83.10 ± 0.22 miliarcseconds/year east if we saw them in the horizon. The Radial Velocity, that is the speed at which the star is moving away/towards us is 32.40000 km/s with an error of about 0.33 km/s .

Linteum 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 32.0000000 that I have given is based on the Spectral Types page that I have found on the Internet. You might find a different figure, one that may have been calculated rather than generalised that I have done. The figure is always the amount times the luminosity of the Sun. It is an imprecise figure because of a number of factors including but not limited to whether the star is a variable star and distance.

Physical Properties (Colour, Temperature, Radius) of Linteum

Linteum has a spectral type of K5III. This means the star is a orange to red star. The star is 7429.00000000 Parsecs from the Galactic Centre or terms of Light Years is 24230.6748257600000000s. 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.

Linteum Radius has been calculated as being 23.72 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 16,506,837.69.km. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 24.16. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures. The star's Iron Abundance is -0.11 with an error value of 0.06 Fe/H with the Sun has a value of 1 to put it into context.

Linteum Apparent and Absolute Magnitudes

Linteum has an apparent magnitude of 4.44 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 -0.42 If you used the 2007 Parallax value, you would get an absolute magnitude of -0.46. 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 Linteum

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 10.69 which gave the calculated distance to Linteum as 305.11 light years away from Earth or 93.55 parsecs. It would take a spaceship travelling at the speed of light, 305.11 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

In 2007, Hipparcos data was revised with a new parallax of 10.48 which put Linteum at a distance of 311.22 light years or 95.42 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.

The star's Galacto-Centric Distance is 7,429.00 Parsecs or 24,230.67 Light Years. The Galacto-Centric Distance is the distance from the star to the Centre of the Galaxy which is Sagittarius A*.

Meteor Showers Radiating from near Linteum

The Delta Piscids Meteor Shower radiants from a point near this star. The meteor shower runs typically between Jun 20-26 with a peak date of Jun 23. The speed of a meteor in the shower is 69 Km/s.

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.

Linteum Facts

Alternative Names

Traditional/Proper NameLinteum
Flamsteed Name63 Piscium
Flamsteed Short Name63 Psc
Bayer DesignationDelta Piscium
Hipparcos Library I.D.3786
Yale Bright Star Catalogue (HR) Id224
Bonner DurchmusterungBD+06 107
Gould I.D.97
Henry Draper Designation4656

Visual Facts

Star Type star
Absolute Magnitude-0.42 / -0.46
Visual / Apparent Magnitude4.44
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)00h 48m 40.90
Declination (Dec.)+07d 35` 06.7
Galactic Latitude-55.28 degrees
Galactic Longitude121.73 degrees
1997 Distance from Earth10.69 Parallax (milliarcseconds)
 305.11 Light Years
 93.55 Parsecs
2007 Revised Distance from Earth10.48 Parallax (milliarcseconds)
 311.22 Light Years
 95.42 Parsecs
Galacto-Centric Distance24,230.67 Light Years / 7,429.00 Parsecs
Proper Motion Dec.-49.58 ± 0.14 milliarcseconds/year
Proper Motion RA.83.10 ± 0.22 milliarcseconds/year
B-V Index1.50
Radial Velocity32.40 ± 0.33 km/s
Iron Abundance-0.11 ± 0.06 Fe/H
Spectral TypeK5III
Colour(K) Orange to Red

Estimated Facts

Luminosity (x the Sun)32.0000000
Calculated Effective Temperature3,989 Kelvin

Sources and Links

SIMBAD SourceLink

Related Stars

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
4656+06 107.0A4.6000084.00000-46.00000K5Orange

Location of Linteum in Pisces

Linteum (Delta Piscium) Location in Pisces

The map was generated using Night Vision, an awesome free application by Brian Simpson.

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