Asterope - 21 Tauri
Asterope, also designated as 21 Tauri , is a variable main-sequence star in the constellation of Taurus.
Asterope visual magnitude is 5.76. Because of its reltive faintness, Asterope 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 Asterope is 0.011 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about Asterope
Celestial coordinates and finder chart of Asterope
Asterope 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 Asterope are provided in the following table:
The simplified sky map below shows the position of Asterope in the sky:
Visibility of Asterope from your location
Today's Asterope - 21 Tauri rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of Asterope from the Sun and relative movement
Asterope is distant 386.71 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.
Spectral properties of Asterope
Asterope belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where Asterope is situated in the Hertzsprung–Russell diagram.