Dziban - ψ1 Draconis (psi1 Draconis)

Dziban, also designated as ψ1 Draconis (psi1 Draconis), is a multiple sub-giant star in the constellation of Draco.

Dziban visual magnitude is 4.58. Because of its moderate brightness, Dziban 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 Dziban:

Color of Dziban ⬤

Magnitude of Dziban 4.58

Class Sub-giant

VISIBILITY RIGHT NOW Dziban - ψ1 Draconis (psi1 Draconis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 56°.

Celestial coordinates and finder chart of Dziban

Dziban is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Dziban are provided in the following table:

Right Ascension J2000 17h 41m 56s

Declination J2000 +72° 08’ 56”

Galactic Longitude 102.97°

Galactic Latitude 31.03°

Constellation Draco

The simplified sky map below shows the position of Dziban in the sky:

Finder chart Dziban - ψ1 Draconis (psi1 Draconis) star

Simplified finder chart for Dziban - ψ1 Draconis (psi1 Draconis).

Visibility of Dziban from your location

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

Dziban - ψ1 Draconis (psi1 Draconis) is circumpolar and transits at 05:00 UTC (altitude: 69.3°)

Digitized Sky Survey image of Dziban

The image below is a photograph of Dziban 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 Dziban is 0.025 arcsec per year in Right Ascension and -0.267 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Dziban - ψ1 Draconis (psi1 Draconis) star

DSS2 image of Dziban. The red arrow shows the motion of Dziban during the next 1000 years (0.42 arcmin in Right Ascension and -4.45 arcmin in declination);

Distance of Dziban from the Sun and relative movement

Dziban is distant 71.84 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 22.04 pc

Distance (light year) 71.84 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA 0.025 arcsec/year

Proper Motion Dec -0.267 arcsec/year

Spectral properties of Dziban

Dziban belongs to spectral class F5 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 2.86

Spectral Type F5IV

Color Index (B-V) 0.42

Temperature of Dziban 6776K

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

H-R diagram showing the position of Dziban. Attribution: Richard Powell / CC BY-SA

Dziban star system properties

Dziban is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the Dziban double sysyem:

Main star magnitude 4.58

Secondary star magnitude 5.78

Magnitude difference 1.2

Separation 30.2 arcsec

Alternative designations of Dziban

Proper Name Dziban

Bayer designation ψ1 Draconis
(psi1 Draconis)

Flamsteed designation 31 Draconis

Henry Draper Catalogue HD162003

SAO Catalogue SAO8890

Hipparcos Catalogue HIP86614

Durchmusterung Catalogue BD+72 804

Gliese Catalogue Gl 694.1A

FK5 Catalogue 670

Aitken Double Star Catalogue ADS10759

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