Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

ζ1 Coronae Borealis (zeta1 Coronae Borealis)

ζ1 Coronae Borealis is a double main-sequence star in the constellation of Corona Borealis.

ζ1 Coronae Borealis visual magnitude is 6. Because of its reltive faintness, ζ1 Coronae Borealis 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 ζ1 Coronae Borealis:

6
Main-sequence
ζ1 Coronae Borealis (zeta1 Coronae Borealis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 30°.

Celestial coordinates and finder chart of ζ1 Coronae Borealis

ζ1 Coronae Borealis 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 ζ1 Coronae Borealis are provided in the following table:

15h 39m 22s
+36° 38’ 12”
58.7°
53.41°
Corona Borealis

The simplified sky map below shows the position of ζ1 Coronae Borealis in the sky:

Finder chart ζ1 Coronae Borealis (zeta1 Coronae Borealis) star
Simplified finder chart for ζ1 Coronae Borealis (zeta1 Coronae Borealis).

Visibility of ζ1 Coronae Borealis from your location

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

Today's ζ1 Coronae Borealis (zeta1 Coronae Borealis) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.4°
Max altitude: 75.2°
Azimuth: 306.6°
ζ1 Coronae Borealis (zeta1 Coronae Borealis) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ζ1 Coronae Borealis

The image below is a photograph of ζ1 Coronae Borealis 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 ζ1 Coronae Borealis is -0.014 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ζ1 Coronae Borealis (zeta1 Coronae Borealis) star
DSS2 image of ζ1 Coronae Borealis. The red arrow shows the motion of ζ1 Coronae Borealis during the next 10000 years (-2.33 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of ζ1 Coronae Borealis from the Sun and relative movement

ζ1 Coronae Borealis is distant 473.15 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

145.14 pc
473.15 ly
-19 km/s
-0.014 arcsec/year
-0.013 arcsec/year

Spectral properties of ζ1 Coronae Borealis

ζ1 Coronae Borealis belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

0.19
B9V
10125K

The red dot in the diagram below shows where ζ1 Coronae Borealis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ζ1 Coronae Borealis. Attribution: Richard Powell / CC BY-SA

ζ1 Coronae Borealis star system properties

ζ1 Coronae Borealis 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 ζ1 Coronae Borealis double sysyem:

6
7
1
6.4 arcsec

Alternative designations of ζ1 Coronae Borealis

ζ1 Coronae Borealis
(zeta1 Coronae Borealis)
7 Coronae Borealis
SAO64833
SAO64833