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Pismis 24-1 B (SW))

Primary Facts on Pismis 24-1 B (SW)

Information on Pismis 24-1 B (SW)

The star is referred to as HD 319718B with the associated star being referred to as HD 319718A.

Pismis 24-1 B (SW)'s Alternative Names

The Id of the star in the Henry Draper catalogue is HD319718.

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

Location of Pismis 24-1 B (SW)

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 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 Pismis 24-1 B (SW), the location is 17h 24m 43.481 and –34° 11` 57.21 .

Physical Properties (Colour) of Pismis 24-1 B (SW)

Pismis 24-1 B (SW) has a spectral type of O4III(f+). This means the star is a blue giant star.

Pismis 24-1 B (SW) Apparent and Absolute Magnitudes

Pismis 24-1 B (SW) has an apparent magnitude of 11.10 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 -0.41 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 Pismis 24-1 B (SW)

The Parallax of the star is given as 0.50 which gives a calculated distance to Pismis 24-1 B (SW) of 6523.27 light years from the Earth or 2000 parsecs. It would take a spaceship travelling at the speed of light, 6523.27 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 412,526,737.97 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

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Additional Pismis 24-1 B (SW) Facts and Figures

Visual Facts


Primary / Proper / Traditional NamePismis 24-1 B (SW)
Alternative NamesHD 319718
Spectral TypeO4III(f+)
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeGiant Star
Colour blue
GalaxyMilky Way
ConstellationScorpius
Visual / Apparent Magnitude11.10
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)17h 24m 43.481
Declination (Dec.)–34° 11` 57.21
Distance from Earth0.50 Parallax (milliarcseconds)
 6523.27 Light Years
 2000 Parsecs
 412,526,737.97 Astronomical Units
Radial Velocity-2.00 km/s
Associated / Clustered StarsPismis 24-1 A (NE)

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttps://en.wikipedia.org/wiki/Pismis_24-1

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