HR5138
HR5138 is a variable and multiple hypergiant star in the constellation of Boötes.
HR5138 visual magnitude is 5.57. Because of its reltive faintness, HR5138 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR5138 is -0.112 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about HR5138
HR5138 is above the horizon from Greenwich, United Kingdom.
Altitude: 42.2°
Azimuth: 137.3°
Direction: South-East
Celestial coordinates and finder chart of HR5138
HR5138 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 HR5138 are provided in the following table:
The simplified sky map below shows the position of HR5138 in the sky:
Visibility of HR5138 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's HR5138 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of HR5138 from the Sun and relative movement
HR5138 is distant 174.52 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.
Spectral properties of HR5138
HR5138 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR5138 is situated in the Hertzsprung–Russell diagram.
HR5138 star system properties
HR5138 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 HR5138 double sysyem: