φ2 Orionis (phi2 Orionis)
φ2 Orionis is a hypergiant star in the constellation of Orion.
φ2 Orionis visual magnitude is 4.09. Because of its moderate brightness, φ2 Orionis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about φ2 Orionis:
Celestial coordinates and finder chart of φ2 Orionis
φ2 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 φ2 Orionis are provided in the following table:
The simplified sky map below shows the position of φ2 Orionis in the sky:
Visibility of φ2 Orionis from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's φ2 Orionis (phi2 Orionis) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of φ2 Orionis
The image below is a photograph of φ2 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 φ2 Orionis is 0.091 arcsec per year in Right Ascension and -0.305 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of φ2 Orionis from the Sun and relative movement
φ2 Orionis is distant 116.01 light years from the Sun and it is moving far from the Sun at the speed of 99 kilometers per second.
Spectral properties of φ2 Orionis
φ2 Orionis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where φ2 Orionis is situated in the Hertzsprung–Russell diagram.