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AD Puppis

AD Puppis Facts

AD Puppis's Alternative Names

HIP38063 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD63446.

AD Puppis has alternative name(s) :- AD Pup, AD Pup.

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

Location of AD Puppis

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 AD Puppis, the location is 07h 48m 03.85 and -25° 34` 40.0 .

Physical Properties (Colour, Temperature) of AD Puppis

AD Puppis has a spectral type of F8. This means the star is a blue to white variable star. The star has a B-V Colour Index of 0.84 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 5,331 Kelvin.

AD Puppis Apparent and Absolute Magnitudes

AD Puppis has an apparent magnitude of 10.06 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 AD Puppis

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -4.05 which gave the calculated distance to AD Puppis as -805.34 light years away from Earth or -246.91 parsecs. It would take a spaceship travelling at the speed of light, -805.34 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

Variable Type of AD Puppis

The star is a pulsating Delta Cepheid 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. AD Puppis brightness ranges from a magnitude of 10.600 to a magnitude of 9.500 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 13.6 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 AD Puppis Facts and Figures

Visual Facts


Primary / Proper / Traditional NameAD Puppis
Alternative NamesAD Pup, HD 63446, HIP 38063, AD Pup
Spectral TypeF8
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
ColourYellow - White
GalaxyMilky Way
ConstellationPuppis
Visual / Apparent Magnitude10.06
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)07h 48m 03.85
Declination (Dec.)-25° 34` 40.0
Galactic Latitude-0.03 degrees
Galactic Longitude241.93 degrees
Distance from Earth-4.05 Parallax (milliarcseconds)
 -805.34 Light Years
 -246.91 Parsecs
 -50,928,488.44 Astronomical Units
B-V Index0.84
Radial Velocity67.50 ± 3.30 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassPulsating
Variable Star TypeDelta Cepheid
Mean Variability Period in Days13.596
Variable Magnitude Range (Brighter - Dimmer)9.500 - 10.600

Estimated Calculated Facts


Effective Temperature5,331 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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