57 Orionis is a variable and double main-sequence star in the constellation of Orion.
57 Orionis visual magnitude is 5.92. Because of its reltive faintness, 57 Orionis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about 57 Orionis:
Celestial coordinates and finder chart of 57 Orionis
57 Orionis 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 57 Orionis are provided in the following table:
The simplified sky map below shows the position of 57 Orionis in the sky:
Visibility of 57 Orionis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's 57 Orionis 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 57 Orionis
The image below is a photograph of 57 Orionis 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 57 Orionis is -0.003 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of 57 Orionis from the Sun and relative movement
57 Orionis is distant 1,405.17 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Spectral properties of 57 Orionis
57 Orionis belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where 57 Orionis is situated in the Hertzsprung–Russell diagram.
57 Orionis star system properties
57 Orionis 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 57 Orionis double sysyem: