π1 Boötis (pi1 Boötis)
π1 Boötis is a variable and multiple star in the constellation of Boötes.
π1 Boötis visual magnitude is 4.94. Because of its moderate brightness, π1 Boötis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of π1 Boötis is 0.015 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about π1 Boötis
π1 Boötis (pi1 Boötis) is above the horizon from Greenwich, United Kingdom .
Altitude: 2.6°
Azimuth: 293.4°
Direction: West-North-West
Celestial coordinates and finder chart of π1 Boötis
π1 Boötis 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 π1 Boötis are provided in the following table:
The simplified sky map below shows the position of π1 Boötis in the sky:
Visibility of π1 Boötis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's π1 Boötis (pi1 Boötis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of π1 Boötis from the Sun and relative movement
π1 Boötis is distant 317.12 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.
Spectral properties of π1 Boötis
π1 Boötis belongs to spectral class B9 π1 Boötis is also a MnHgSi chemically peculiar star.
The red dot in the diagram below shows where π1 Boötis is situated in the Hertzsprung–Russell diagram.
π1 Boötis star system properties
π1 Boötis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the π1 Boötis double sysyem: