σ1 Cancri (sigma1 Cancri)
σ1 Cancri is a multiple main-sequence star in the constellation of Cancer.
σ1 Cancri visual magnitude is 5.66. Because of its reltive faintness, σ1 Cancri 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 σ1 Cancri:
Celestial coordinates and finder chart of σ1 Cancri
σ1 Cancri is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of σ1 Cancri are provided in the following table:
The simplified sky map below shows the position of σ1 Cancri in the sky:
Visibility of σ1 Cancri from your location
Today's σ1 Cancri (sigma1 Cancri) 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 σ1 Cancri
The image below is a photograph of σ1 Cancri 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 σ1 Cancri is -0.003 arcsec per year in Right Ascension and 0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of σ1 Cancri from the Sun and relative movement
σ1 Cancri is distant 203.62 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.
Spectral properties of σ1 Cancri
σ1 Cancri belongs to spectral class A8 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where σ1 Cancri is situated in the Hertzsprung–Russell diagram.
σ1 Cancri star system properties
σ1 Cancri 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 σ1 Cancri double sysyem: