Universe Guide

GL Cancri

GL Cancri Facts

GL Cancri's Alternative Names

HIP45194 is the reference name for the star in the Hipparcos Star Catalogue.

GL Cancri has alternative name(s) :- , GL Cnc.

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+07 2086.

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

Location of GL Cancri

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 GL Cancri, the location is 09h 12m 35.31 and +06° 56` 29.2 .

Physical Properties (Colour, Temperature) of GL Cancri

GL Cancri Colour and Temperature

GL Cancri has a spectral type of M2. This means the star is a red variable star. The star has a B-V Colour Index of 1.6 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,775 Kelvin.

GL Cancri Apparent and Absolute Magnitudes

GL Cancri has an apparent magnitude of 9.41 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Using the supplied Parallax value, you would get an absolute magnitude of 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 GL Cancri

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -3.04 which gave the calculated distance to GL Cancri as -1072.91 light years away from Earth or -328.95 parsecs. It would take a spaceship travelling at the speed of light, -1072.91 years to get there. We don't have the technology or spaceship that can carry people over that distance yet. GL Cancri brightness ranges from a magnitude of 9.534 to a magnitude of 9.425 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 0.1 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 GL Cancri Facts and Figures

Visual Facts

Primary / Proper / Traditional NameGL Cancri
Alternative NamesHIP 45194, BD+07 2086, GL Cnc
Spectral TypeM2
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
GalaxyMilky Way
Visual / Apparent Magnitude9.41
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)09h 12m 35.31
Declination (Dec.)+06° 56` 29.2
Galactic Latitude34.43 degrees
Galactic Longitude223.69 degrees
Distance from Earth-3.04 Parallax (milliarcseconds)
 -1072.91 Light Years
 -328.95 Parsecs
 -67,850,335.23 Astronomical Units
B-V Index1.60

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Variable Star Details

Mean Variability Period in Days0.084
Variable Magnitude Range (Brighter - Dimmer)9.425 - 9.534

Estimated Calculated Facts

Effective Temperature3,775 Kelvin

Sources and Links

SIMBAD SourceLink

Related Stars

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