Alniyat - σ Scorpii (sigma Scorpii)
Alniyat, also designated as σ Scorpii (sigma Scorpii), is a variable and multiple giant star in the constellation of Scorpius.
Alniyat visual magnitude is 2.89. Thanks to its high brightness, Alniyat is clearly visible when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
The proper motion of Alniyat is -0.01 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about Alniyat
Alniyat - σ Scorpii (sigma Scorpii) is below the horizon from Greenwich, United Kingdom.
Altitude: -19.7°
Azimuth: 253.4°
Direction: West-South-West
Celestial coordinates and finder chart of Alniyat
Alniyat is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Alniyat are provided in the following table:
The simplified sky map below shows the position of Alniyat in the sky:
Visibility of Alniyat from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's Alniyat - σ Scorpii (sigma Scorpii) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of Alniyat from the Sun and relative movement
Alniyat is distant 734.23 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.
Spectral properties of Alniyat
Alniyat belongs to spectral class B1 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Alniyat is situated in the Hertzsprung–Russell diagram.
Alniyat star system properties
Alniyat is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Alniyat double sysyem: