ι1 Librae (iota1 Librae)
ι1 Librae is a variable and multiple hypergiant star in the constellation of Libra.
ι1 Librae visual magnitude is 4.54. Because of its moderate brightness, ι1 Librae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about ι1 Librae:
Celestial coordinates and finder chart of ι1 Librae
ι1 Librae is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ι1 Librae are provided in the following table:
The simplified sky map below shows the position of ι1 Librae in the sky:
Visibility of ι1 Librae from your location
Today's ι1 Librae (iota1 Librae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of ι1 Librae
The image below is a photograph of ι1 Librae 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 ι1 Librae is -0.036 arcsec per year in Right Ascension and -0.039 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of ι1 Librae from the Sun and relative movement
ι1 Librae is distant 376.44 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.
Spectral properties of ι1 Librae
The red dot in the diagram below shows where ι1 Librae is situated in the Hertzsprung–Russell diagram.
ι1 Librae star system properties
ι1 Librae 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 ι1 Librae double sysyem: