16 Delphini

Above the horizon. Rise: 21:07 | Tran: 4:14 | Set: 11:17

Alt: 39.62° Az: 234.35° Direction: South-West

16 Delphini is a double main-sequence star of spectral class A4 in the constellation of Delphinus.

16 Delphini visual magnitude is 5.58. Because of its faintness, 16 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 16 Delphini. The red arrow shows the motion of 16 Delphini during the next 10000 years (6.67 arcmin in Right Ascension and 3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 56m 51s

Declination +12° 40’ 01”

Hour Angle 02h 39m 37s

Sidereal Time 23h 36m 28s

J2000

Right Ascension 20h 55m 38s

Declination +12° 34’ 06”

Galactic Coordinates

Galactic Longitude 59.78°

Galactic Latitude -20.42°

Finder Chart

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Finder chart for 16 Delphini.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.58

Class Main-sequence

Absolute magnitude 1.65

Spectral Type A4V

Color Index (B-V) 0.12

Temperature 8839K

The red dot in the diagram below shows where 16 Delphini is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 16 Delphini. Attribution: Richard Powell / CC BY-SA

Star System Properties

16 Delphini is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 16 Delphini double sysyem:

Main star magnitude 5.58

Secondary star magnitude 12.08

Magnitude difference 6.5

Separation 36 arcsec

Distance, Radial Speed, Proper Motion

16 Delphini is distant 199.39 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 61.16

Distance (light year) 199.39

Radial Speed 2 km/s

Proper Motion RA 0.04 arcsec/y

Proper Motion Dec 0.018"/y

Alternative Designations

Flamsteed designation 16 Delphini

Henry Draper Catalogue HD199254

SAO Catalogue SAO106666

Hipparcos Catalogue HIP103298

Durchmusterung Catalogue BD+12 4501

Aitken Double Star Catalogue ADS14429

Visibility from Your Location

Today's 16 Delphini rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 77.3° RISE 21:07

Max altitude: 51.2° TRANSIT 4:14

Azimuth: 282.7° SET 11:17

Set Location

Other stars in Delphinus