Porrima - γ Virginis (gamma Virginis)
Porrima, also designated as γ Virginis (gamma Virginis), is a variable and multiple hypergiant star in the constellation of Virgo.
Porrima visual magnitude is 3.65. Because of its moderate brightness, Porrima 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 Porrima:
Celestial coordinates and finder chart of Porrima
Porrima 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 Porrima are provided in the following table:
The simplified sky map below shows the position of Porrima in the sky:
Visibility of Porrima from your location
Digitized Sky Survey image of Porrima
The image below is a photograph of Porrima 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 Porrima is -0.565 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Porrima from the Sun and relative movement
Porrima is distant 38.57 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.
Spectral properties of Porrima
Porrima belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where Porrima is situated in the Hertzsprung–Russell diagram.
Porrima star system properties
Porrima 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 Porrima double sysyem: