ι Delphini (iota Delphini)

Above the horizon. Rise: 13:06 | Tran: 20:03 | Set: 3:04

Alt: 27.65° Az: 107.33° Direction: East-South-East

ι Delphini is a main-sequence star of spectral class A2 in the constellation of Delphinus.

ι Delphini visual magnitude is 5.43. Because of its faintness, ι Delphini is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of ι Delphini (iota Delphini) star

DSS2 image of ι Delphini. The red arrow shows the motion of ι Delphini during the next 10000 years (6.67 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 39m 00s

Declination +11° 27’ 56”

Hour Angle 20h 01m 29s

Sidereal Time 16h 40m 29s

J2000

Right Ascension 20h 37m 49s

Declination +11° 22’ 40”

Galactic Coordinates

Galactic Longitude 56.13°

Galactic Latitude -17.5°

Finder Chart

Simplified finder chart for ι Delphini (iota Delphini).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.43

Class Main-sequence

Absolute magnitude 1.75

Spectral Type A2V

Color Index (B-V) 0.06

Temperature 9434K

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

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

Distance, Radial Speed, Proper Motion

ι Delphini is distant 177.17 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 54.35

Distance (light year) 177.17

Radial Speed -4 km/s

Proper Motion RA 0.04 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Bayer designation ι Delphini
(iota Delphini)

Flamsteed designation 5 Delphini

Henry Draper Catalogue HD196544

SAO Catalogue SAO106322

Hipparcos Catalogue HIP101800

Durchmusterung Catalogue BD+10 4339

Visibility from Your Location

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

Azimuth: 78.5° RISE 13:06

Max altitude: 50.0° TRANSIT 20:03

Azimuth: 281.5° SET 3:04

Set Location

Other stars in Delphinus