δ Delphini (delta Delphini)

Above the horizon. Rise: 19:38 | Tran: 2:59 | Set: 10:16

Alt: 48.80° Az: 217.15° Direction: South-West

δ Delphini is a variable giant star of spectral class A7 in the constellation of Delphinus.

δ Delphini visual magnitude is 4.43. Because of its moderate brightness, δ 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 δ Delphini (delta Delphini) star

DSS2 image of δ Delphini. The red arrow shows the motion of δ Delphini during the next 10000 years (-3.17 arcmin in Right Ascension and -7.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 44m 38s

Declination +15° 10’ 03”

Hour Angle 01h 37m 21s

Sidereal Time 22h 22m 00s

J2000

Right Ascension 20h 43m 27s

Declination +15° 04’ 27”

Galactic Coordinates

Galactic Longitude 60.14°

Galactic Latitude -16.55°

Finder Chart

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Finder chart for δ Delphini (delta Delphini).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.43

Class Giant

δ Delphini is also a De chemically peculiar star.

Absolute magnitude 0.45

Spectral Type A7III

Color Index (B-V) 0.32

Temperature 7337K

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

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

Distance, Radial Speed, Proper Motion

δ Delphini is distant 203.37 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 62.38

Distance (light year) 203.37

Radial Speed 9 km/s

Proper Motion RA -0.019 arcsec/y

Proper Motion Dec -0.043"/y

Alternative Designations

Bayer designation δ Delphini
(delta Delphini)

Flamsteed designation 11 Delphini

Henry Draper Catalogue HD197461

SAO Catalogue SAO106425

Hipparcos Catalogue HIP102281

Durchmusterung Catalogue BD+14 4403

FK5 Catalogue 778

General Catalogue of Variable Stars Del Del

Visibility from Your Location

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

Azimuth: 74.8° RISE 19:38

Max altitude: 53.7° TRANSIT 2:59

Azimuth: 285.2° SET 10:16

Set Location

Other stars in Delphinus