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🌎  Greenwich, United Kingdom [change]

ζ2 Coronae Borealis (zeta2 Coronae Borealis)

ζ2 Coronae Borealis is a double main-sequence star in the constellation of Corona Borealis.

ζ2 Coronae Borealis visual magnitude is 5.07. Because of its reltive faintness, ζ2 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 ζ2 Coronae Borealis:

5.07
Main-sequence
ζ2 Coronae Borealis (zeta2 Coronae Borealis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 29°.

Celestial coordinates and finder chart of ζ2 Coronae Borealis

ζ2 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 ζ2 Coronae Borealis are provided in the following table:

15h 39m 22s
+36° 38’ 08”
58.7°
53.41°
Corona Borealis

The simplified sky map below shows the position of ζ2 Coronae Borealis in the sky:

Finder chart ζ2 Coronae Borealis (zeta2 Coronae Borealis) star
Simplified finder chart for ζ2 Coronae Borealis (zeta2 Coronae Borealis).

Visibility of ζ2 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 ζ2 Coronae Borealis (zeta2 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°
ζ2 Coronae Borealis (zeta2 Coronae Borealis) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ζ2 Coronae Borealis

The image below is a photograph of ζ2 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 ζ2 Coronae Borealis is -0.013 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ζ2 Coronae Borealis (zeta2 Coronae Borealis) star
DSS2 image of ζ2 Coronae Borealis. The red arrow shows the motion of ζ2 Coronae Borealis during the next 10000 years (-2.17 arcmin in Right Ascension and -1.00 arcmin in declination);

Spectral properties of ζ2 Coronae Borealis

ζ2 Coronae Borealis belongs to spectral class B7 and has a luminosity class of V corresponding to a main-sequence star.

B7V
11920K

ζ2 Coronae Borealis star system properties

ζ2 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 ζ2 Coronae Borealis double sysyem:

5.07
6.07
1
6.4 arcsec

Alternative designations of ζ2 Coronae Borealis

ζ2 Coronae Borealis
(zeta2 Coronae Borealis)
7 Coronae Borealis
SAO64834
SAO64834