10 Delphini

Above the horizon. Rise: 13:04 | Tran: 20:18 | Set: 3:37

Alt: 34.31° Az: 111.41° Direction: East-South-East

10 Delphini is a variable giant star of spectral class K4 in the constellation of Delphinus.

10 Delphini visual magnitude is 5.99. Because of its faintness, 10 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.

DSS2 image of 10 Delphini. The red arrow shows the motion of 10 Delphini during the next 100000 years (-10.00 arcmin in Right Ascension and 3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 42m 25s

Declination +14° 40’ 21”

Hour Angle 20h 29m 25s

Sideral Time 17h 11m 51s

J2000

Right Ascension 20h 41m 16s

Declination +14° 34’ 59”

Galactic Coordinates

Galactic Longitude 59.4°

Galactic Latitude -16.4°

Finder Chart

Simplified finder chart for 10 Delphini.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.99

Class Giant

Absolute magnitude 0.11

Spectral Type K4

Color Index (B-V) 1.24

Temperature 4232K

The red dot in the diagram below shows where 10 Delphini is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 10 Delphini. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

10 Delphini is distant 488.02 light years from the Sun and it is moving towards the Sun at the speed of 32 kilometers per second.

Distance (parsec) 149.70

Distance (light year) 488.02

Radial Speed -32 km/s

Proper Motion RA -0.006 arcsec/y

Proper Motion Dec 0.002"/y

Alternative Designations

Flamsteed designation 10 Delphini

Henry Draper Catalogue HD197121

SAO Catalogue SAO106384

Hipparcos Catalogue HIP102080

Durchmusterung Catalogue BD+14 4393

General Catalogue of Variable Stars 13227

Visibility from Your Location

Today's 10 Delphini rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.3° RISE 13:04

Max altitude: 53.2° TRANSIT 20:18

Azimuth: 284.7° SET 3:37

Set Location

Other stars in Delphinus