ζ Delphini (zeta Delphini)

Above the horizon. Rise: 12:50 | Tran: 20:05 | Set: 3:24

Alt: 47.88° Az: 141.21° Direction: South-East

ζ Delphini is a variable main-sequence star of spectral class A3 in the constellation of Delphinus.

ζ Delphini visual magnitude is 4.68. Because of its moderate brightness, ζ Delphini is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ζ Delphini (zeta Delphini) star

DSS2 image of ζ Delphini. The red arrow shows the motion of ζ Delphini during the next 10000 years (7.67 arcmin in Right Ascension and 2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 36m 27s

Declination +14° 45’ 39”

Hour Angle 22h 16m 58s

Sidereal Time 18h 53m 26s

J2000

Right Ascension 20h 35m 18s

Declination +14° 40’ 27”

Galactic Coordinates

Galactic Longitude 58.63°

Galactic Latitude -15.16°

Finder Chart

Simplified finder chart for ζ Delphini (zeta Delphini).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.68

Class Main-sequence

Absolute magnitude 0.47

Spectral Type A3V

Color Index (B-V) 0.11

Temperature 8932K

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

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

Distance, Radial Speed, Proper Motion

ζ Delphini is distant 227.02 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 69.64

Distance (light year) 227.02

Radial Speed -25 km/s

Proper Motion RA 0.046 arcsec/y

Proper Motion Dec 0.013"/y

Alternative Designations

Bayer designation ζ Delphini
(zeta Delphini)

Flamsteed designation 4 Delphini

Henry Draper Catalogue HD196180

SAO Catalogue SAO106274

Hipparcos Catalogue HIP101589

Durchmusterung Catalogue BD+14 4353

General Catalogue of Variable Stars 13163

Visibility from Your Location

Today's ζ Delphini (zeta Delphini) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.2° RISE 12:50

Max altitude: 53.3° TRANSIT 20:05

Azimuth: 284.8° SET 3:24

Set Location

Other stars in Delphinus