Diphda - β Ceti (beta Ceti)
Diphda, also designated as β Ceti (beta Ceti), is a variable giant star in the constellation of Cetus.
Diphda visual magnitude is 2.04, making it the 52th brightest star in the sky. Thanks to its high brightness, Diphda is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Diphda:
Celestial coordinates and finder chart of Diphda
Diphda 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 Diphda are provided in the following table:
The simplified sky map below shows the position of Diphda in the sky:
Visibility of Diphda from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's Diphda - β Ceti (beta Ceti) 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 Diphda
The image below is a photograph of Diphda 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 Diphda is 0.234 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Diphda from the Sun and relative movement
Diphda is distant 95.77 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.
Spectral properties of Diphda
Diphda belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Diphda is situated in the Hertzsprung–Russell diagram.