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AQ Cassiopeiae

AQ Cassiopeiae Facts

  • AQ Cassiopeiae is a eclipsing/detached s star that can be located in the constellation of Cassiopeia. The description is based on the spectral class.
  • AQ Cassiopeiae is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (B3 + B9:) of the star, the star's colour is blue .
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • The star is calculated at being about -81540.84 light years away from us. Distance

AQ Cassiopeiae's Alternative Names

HIP6174 is the reference name for the star in the Hipparcos Star Catalogue.

AQ Cassiopeiae has alternative name(s) :- AQ Cas, AQ Cas.

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+61 242.

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

Location of AQ Cassiopeiae

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 Cassiopeiae, the location is 01h 19m 10.35 and +62° 23` 48.4 .

Physical Properties of AQ Cassiopeiae

AQ Cassiopeiae Colour and Temperature

Based on the star's spectral type of B3 + B9: , AQ Cassiopeiae's colour and type is blue star. The star has a B-V Colour Index of 0.52 which means the star's temperature is about 6,064 Kelvin. The temperature was calculated using information from Morgans @ Uni.edu.

AQ Cassiopeiae Apparent and Absolute Magnitudes

AQ Cassiopeiae has an apparent magnitude of 10.17 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 AQ Cassiopeiae

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -0.04000 which gave the calculated distance to AQ Cassiopeiae as -81540.84 light years away from Earth or -25000 parsecs. If you want that in miles, it is about -479,348,050,974,705,033.63, based on 1 Ly = 5,878,625,373,183.61 miles.

Variable Type of AQ Cassiopeiae

The star is a eclipsing/detached s 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 Cassiopeiae brightness ranges from a magnitude of 11.060 to a magnitude of 10.070 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 Cassiopeiae Facts and Figures

Visual Facts


Primary / Proper / Traditional NameAQ Cassiopeiae
Alternative NamesAQ Cas, HIP 6174, BD+61 242, AQ Cas
Spectral TypeB3 + B9:
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
ColourBlue
GalaxyMilky Way
ConstellationCassiopeia
Visual / Apparent Magnitude10.17
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)01h 19m 10.35
Declination (Dec.)+62° 23` 48.4
Galactic Latitude-0.30217631 degrees
Galactic Longitude126.13848088 degrees
Distance from Earth-0.04000 Parallax (milliarcseconds)
 -81540.84 Light Years
 -25000 Parsecs
 -5,156,584,224.60 Astronomical Units
B-V Index0.52
Radial Velocity-20.00000 ± 10.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassEclipsing/Detached S
Variable Star TypeBeta Persei (Algol)/
Variable Magnitude Range (Brighter - Dimmer)10.070 - 11.060

Estimated Calculated Facts


Effective Temperature6,064 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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