Esta página se editó por última vez el 18 oct 2020 a las 17:28. [4], AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 16 日, https://es.wikipedia.org/w/index.php?title=Kappa_Geminorum&oldid=130169167, Licencia Creative Commons Atribución Compartir Igual 3.0. Su temperatura efectiva es de 4990 K y brilla con una luminosidad 74 veces mayor que la del Sol. An Astronomical Unit is the distance between Earth and the Sun. In the case of a star, its the galactic centre. Comments may be merged or altered slightly such as if an email address is given in the main body of the comment. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 10.44. More details on objects' alternative names can be found at. If you used the 1997 Parallax value, you would get an absolute magnitude of 0.35 If you used the 2007 Parallax value, you would get an absolute magnitude of 0.39. Using the most recent figures given by the 2007 Hipparcos data, the star is 141.38 light years away from us. 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. Al Kirkab (Kappa Geminorum) is a white to yellow giant star that can be located in the constellation of Gemini. It has been known to produce widely incorrect figures. It is visible to the naked eye with an apparent visual magnitude of 3.568. Exoplanets. Using the 2007 distance, the star is roughly 8,941,517.05 Astronomical Units from the Earth/Sun give or take a few. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. For Al Kirkab, the location is 07h 44m 26.87 and +24° 23` 53.3 . 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. Because of its moderate brightness, κ Geminorum should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet. Information regarding Metallicity and/or Mass is from the E.U. The figure of 79.99 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012. GH follow GG, all the way up to ZZ then a V and a number is the next in the order.
In 2007, Hipparcos data was revised with a new parallax of 23.07000 which put Al Kirkab at a distance of 141.38 light years or 43.35 parsecs.
Con una masa de 2,7 masas solares, tiene una edad aproximada de 500 millones de años. Al Kirkab has an apparent magnitude of 3.57 which is how bright we see the star from Earth.
Cookies / About Us / Contact Us / Twitter / Facebook, Kappa Geminorum, Kap Gem, HD 62345, HIP 37740, HR 2985, TYC 1916-2156-1, 77 Geminorum, 77 Gem, BD+24 1759, Al Kirkab is a main star in the constellation. satellite operation launched in 1989 for four years.
The letters are allocated as the next in the list up e.g. 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 Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 20.15000 km/s with an error of about 0.21 km/s . Proper Motion details the movements of these stars and are measured in milliarcseconds. The value comes from the Hipparcos Extended Catalog. Kappa Geminorum B es probablemente una enana amarilla de tipo G4 cuya actividad magnética genera los rayos X provenientes del sistema.
[5] [4], Separada visualmente 7,5 segundos de arco de la estrella primaria, su compañera estelar, Kappa Geminorum B, tiene magnitud aparente +8,2. Based on the star's spectral type of G8III , Al Kirkab's colour and type is yellow giant star. Corncorde before it was retired was the fastest commercial airline across the Atlantic and only one that could do Mach 2. The star's Galacto-Centric Distance is 7,439.00 Parsecs or 24,263.29 Light Years. If the R.A. is positive then its eastwards. En los últimos 200 años la separación visual entre ambas estrellas apenas ha variado 2,5 segundos de arco, lo que sugiere que se trata de un verdadero sistema binario, si bien con un largo período orbital que supera los 3000 años. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. It should not be taken as though the star is moving closer or further away from us.
The number of A.U.
Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. More information can be found on my dedicated multiple star systems page. There's no register feature and no need to give an email address if you don't need to. The two letters at the start identify that the star is a variable star. Apparent Magnitude is also known as Visual Magnitude. Based on the spectral type, we can deduce that the surface temperature of the star is in the order of between between 5,000 and 6,000K based on the notes from Harvard University. You can decline to give a name which if that is the case, the comment will be attributed to a random star. If you need the diameter of the star, you just need to multiple the radius by 2.
U.G. Kappa Geminorum (κ Gem / 77 Geminorum / HD 62345)[1][2] es una estrella binaria en la constelación de Géminis. Al Kirkab estimated radius has been calculated as being 10.64 times bigger than the Sun. The items in red are values that I've calculated so they could well be wrong. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. κ Geminorum visual magnitude is 3.57.
Kappa Geminorum (κ Geminorum, κ Gem) is a binary star system in the northern zodiac constellation of Gemini. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever. 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. Al Kirkab is a Binary or Multiple star system. Al Kirkab (Kappa Geminorum) is a white to yellow giant star that can be located in the constellation of Gemini. The time it will take to travel to this star is dependent on how fast you are going. is the number of times that the star is from the Earth compared to the Sun. κ Geminorum (kappa Geminorum) κ Geminorum is a double giant star in the constellation of Gemini. The figure is derived at by using the formula from SDSS rather than peer reviewed papers. has done some calculations as to how long it will take going at differing speeds. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.
The source of the info is Simbad. Hipparcos was a E.S.A. All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days). Based on the spectral type (G8III) of the star, the star's colour is yellow . Aunque no tiene nombre propio habitual, en astronomía china se la llama 積薪 (Jīxīn), «pila de leña», ya que marca el asterismo del mismo nombre dentro de la constelación de Jǐng. Su temperatura efectiva es de 4990 K y brilla con una luminosidad 74 veces mayor que la del Sol. Based upon an annual parallax shift of 23.07 mas, the system is located about 141 light years distant from the Sun. A name is preferred even if its a random made up one by yourself. La componente principal, Kappa Geminorum A, es una gigante amarilla de tipo espectral G8III y magnitud aparente +3,57. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. The Galacto-Centric Distance is the distance from the star to the Centre of the Galaxy which is Sagittarius A*. [3], El sistema se encuentra a 141 años luz del Sistema Solar. Su diámetro es 11,5 veces más grande que el diámetro solar y su velocidad de rotación proyectada es de 5 km/s, dando lugar a un período de rotación que puede durar hasta 115 días. La componente principal, Kappa Geminorum A, es una gigante amarilla de tipo espectral G8III y magnitud aparente +3,57. Al Kirkab Iron Abundance is 0.02 with an error value of 0.02 Fe/H with the Sun has a value of 1 to put it into context. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. A faint star will have a high number. The information was obtained as of 12th Feb 2017. The Sun's radius is 695,800km, therefore the star's radius is an estimated 7,402,141.56.km. The star is moving -54.57 ± 0.11 milliarcseconds/year towards the north and -23.39 ± 0.22 milliarcseconds/year east if we saw them in the horizon. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. It is purely that the distance was recalculated. Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 22.73000 which gave the calculated distance to Al Kirkab as 143.49 light years away from Earth or 43.99 parsecs. Mach 1 is the speed of sound, Mach 2 is twice the speed of sound. If you want that in miles, it is about 843,523,954,798,116.20, based on 1 Ly = 5,878,625,373,183.61 miles.
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. All messages will be reviewed before being displayed.
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