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AQ Pegasi

AQ Pegasi Facts

  • AQ Pegasi is a eclipsing star that can be located in the constellation of Pegasus. The description is based on the spectral class.
  • AQ Pegasi is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (A2e + G5) of the star, the star's colour is blue - white .
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • The star is calculated at being about 1591.04 light years away from us. Distance

AQ Pegasi's Alternative Names

HIP106740 is the reference name for the star in the Hipparcos Star Catalogue.

AQ Pegasi has alternative name(s) :- AQ Peg, AQ Peg.

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+12 4653.

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

Location of AQ Pegasi

The location of the 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 AQ Pegasi, the location is 21h 37m 20.91 and +13° 28` 28.5 .

Physical Properties of AQ Pegasi

AQ Pegasi Temperature and Colour

Based on the star's spectral type of A2e + G5 , AQ Pegasi's colour and type is blue - white star. The star has a B-V Colour Index of 0.18 which means the star's temperature is about 7,564 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu.

AQ Pegasi Radius

AQ Pegasi estimated radius has been calculated as being 2.24 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,555,485.05.km. If you need the diameter of the star, you just need to multiple the radius by 2. 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.

AQ Pegasi Apparent and Absolute Magnitudes

AQ Pegasi has an apparent magnitude of 10.37 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 1.93 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 AQ Pegasi

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 2.05000 which gave the calculated distance to AQ Pegasi as 1591.04 light years away from Earth or 487.80 parsecs. If you want that in miles, it is about 9,353,128,113,750,050.85, based on 1 Ly = 5,878,625,373,183.61 miles.

Travel Time to AQ Pegasi

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)
Walking4266,744,470,351.04
Car1208,891,482,345.03
Airbus A3807361,449,698,208.43
Speed of Sound (Mach 1)767.2691,390,617,738.24
Concorde (Mach 2)1,534.54695,307,962.91
New Horizons Probe33,00032,332,663.07
Speed of Light670,616,629.001,591.04

Variable Type of AQ Pegasi

The star is a eclipsing Beta Persei (Algol)/ 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. AQ Pegasi brightness ranges from a magnitude of 13.100 to a magnitude of 10.400 over its variable period. The smaller the magnitude, the brighter the star.

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 AQ Pegasi Facts and Figures

Visual Facts


Primary / Proper / Traditional NameAQ Pegasi
Alternative NamesAQ Peg, HIP 106740, BD+12 4653, AQ Peg
Spectral TypeA2e + G5
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
ColourBlue
GalaxyMilky Way
ConstellationPegasus
Absolute Magnitude 1.93
Visual / Apparent Magnitude10.37
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)21h 37m 20.91
Declination (Dec.)+13° 28` 28.5
Galactic Latitude-27.83889191 degrees
Galactic Longitude67.44956547 degrees
Distance from Earth2.05000 Parallax (milliarcseconds)
 1591.04 Light Years
 487.80 Parsecs
 100,615,271.39 Astronomical Units
B-V Index0.18
Radial Velocity-8.00000 ± 7.40 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassEclipsing
Variable Star TypeBeta Persei (Algol)/
Variable Magnitude Range (Brighter - Dimmer)10.400 - 13.100

Estimated Calculated Facts


Radius (x the Sun)2.24
Effective Temperature 7,564 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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