Universe Guide

136 G. Aql - HD194263 - HIP100672

136 G. Aql is an orange to red eruptive less luminour star that can be located in the constellation of Aquila. HIP is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD. The Id of the star in the Gould Star Catalogue is . 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 136 G. Aql

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 from celestial equator. The Declination is how up or down compared to the celestial equator and is expressed in degrees. For 136 G. Aql, the location is 20h 24m 41.75 and +01 d 22`07.0 .

Physical Properties/View of 136 G. Aql

136 G. Aql has a spectral type of K5. This means the star is (K) orange to red coloured 136 G. Aql lies at a distance of 865.15 light years away from our Sun and our planet Earth or to put it another way, 265.20 parsecs away from the Sun.

136 G. Aql has an apparent magnitude of 6.41 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 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. The stars temperature has been calculated at between 3700 and 5200 based on the Class Type and lookup at Wikipedia-Stellar Classification

Variable Type of 136 G. Aql

The star is a eruptive Irregular variable type which means that its size changes over time. The Variable Type is usually named after the first star of that type to be spotted. 136 G. Aql brightness ranges from a magnitude of 7.000 to a magnitude of 6.000 over its variable period. The smaller the magnitude, the brighter the star.

Source of Information

The source of the information came 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.

136 G. Aql Facts


Traditional Name136 G. Aql
Hipparcos Library I.D.100672
Gould I.D.136
Henry Draper Designation194263
Celestial TypeStar
Apparent Magnitude6.41
Right Ascension (R.A.)20h 24m 41.75
Declination (Dec.)+01 d 22`07.0
Distance from the Sun / Earth865.15 Light Years
Spectral TypeK5
Colour (K) orange to red
Star Type Undetermined
Variable Star ClassEruptive
Variable Star TypeIrregular
Variable Magnitude Range (Brighter - Dimmer)6.000 - 7.000
Calculated Temperature Range3,700.00 - 5,200.00


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