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Black Widow Pulsar

Black Widow Pulsar Facts

Black Widow Pulsar's Alternative Names

Black Widow Pulsar has alternative name(s) :- QX Sagittae.

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

Location of Black Widow Pulsar

The location of the pulsar 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 Black Widow Pulsar, the location is 19h 59m 36.77 and +20° 48` 15.12 .

Proper Motion of Black Widow Pulsar

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -26.00 milliarcseconds/year towards the north and -16.00 milliarcseconds/year east if we saw them in the horizon. . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties (Temperature) of Black Widow Pulsar

Black Widow Pulsar Colour and Temperature

Black Widow Pulsar has a spectral type of P. The star has a B-V Colour Index of 0 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 10,293 Kelvin.

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Additional Black Widow Pulsar Facts and Figures

Visual Facts


Primary / Proper / Traditional NameBlack Widow Pulsar
Alternative NamesQX Sagittae
Spectral TypeP
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypePulsar
GalaxyMilky Way
ConstellationSagitta
Right Ascension (R.A.) 19h 59m 36.77
Declination (Dec.)+20° 48` 15.12
Proper Motion Dec.-26.00 milliarcseconds/year
Proper Motion RA.-16.00 milliarcseconds/year
B-V Index0.00

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-basic?Ident=BLACK+WIDOW

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