HR257
HR257 is a variable giant star in the constellation of Tucana.
HR257 visual magnitude is 5.7. Because of its reltive faintness, HR257 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 HR257 is 0.073 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about HR257
HR257 is below the horizon from Greenwich, United Kingdom .
Altitude: -43.7°
Azimuth: 140.9°
Direction: South-East
Celestial coordinates and finder chart of HR257
HR257 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 HR257 are provided in the following table:
The simplified sky map below shows the position of HR257 in the sky:
Visibility of HR257 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR257 is currently not visible from Greenwich, United Kingdom
Distance of HR257 from the Sun and relative movement
HR257 is distant 612.78 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of HR257
HR257 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR257 is situated in the Hertzsprung–Russell diagram.
