Paikauhale - τ Scorpii (tau Scorpii)
Paikauhale, also designated as τ Scorpii (tau Scorpii), is a hypergiant star in the constellation of Scorpius.
Paikauhale visual magnitude is 2.82. Thanks to its high brightness, Paikauhale is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Paikauhale:
Celestial coordinates and finder chart of Paikauhale
Paikauhale is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Paikauhale are provided in the following table:
The simplified sky map below shows the position of Paikauhale in the sky:
Visibility of Paikauhale from your location
Digitized Sky Survey image of Paikauhale
The image below is a photograph of Paikauhale from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Paikauhale is -0.008 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Paikauhale from the Sun and relative movement
Paikauhale is distant 429.51 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.
Spectral properties of Paikauhale
Paikauhale belongs to spectral class B0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where Paikauhale is situated in the Hertzsprung–Russell diagram.