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🌎  Greenwich, United Kingdom [change]

δ Circini (delta Circini)

δ Circini is a variable and double main-sequence star in the constellation of Circinus.

δ Circini visual magnitude is 5.09. Because of its reltive faintness, δ Circini 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 δ Circini:

δ Circini (delta Circini) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of δ Circini

δ Circini is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of δ Circini are provided in the following table:

15h 16m 56s
-60° 57’ 27”

The simplified sky map below shows the position of δ Circini in the sky:

Finder chart δ Circini (delta Circini) star
Simplified finder chart for δ Circini (delta Circini).

Visibility of δ Circini from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

δ Circini (delta Circini) is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of δ Circini

The image below is a photograph of δ Circini 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 δ Circini is -0.019 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of δ Circini (delta Circini) star
DSS2 image of δ Circini. The red arrow shows the motion of δ Circini during the next 10000 years (-3.17 arcmin in Right Ascension and -1.50 arcmin in declination);

Distance of δ Circini from the Sun and relative movement

δ Circini is distant 6,392.16 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

1,960.78 pc
6,392.16 ly
9 km/s
-0.019 arcsec/year
-0.009 arcsec/year

Spectral properties of δ Circini

δ Circini belongs to spectral class O8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where δ Circini is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of δ Circini. Attribution: Richard Powell / CC BY-SA

δ Circini star system properties

δ Circini 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 δ Circini double sysyem:

50 arcsec

Alternative designations of δ Circini

δ Circini
(delta Circini)