20 Capricorni

Below the horizon. Rise: 11:29 | Tran: 15:45 | Set: 20:01

Alt: -55.62° Az: 24.00° Direction: North-North-East

20 Capricorni is a variable star of spectral class B9 in the constellation of Capricornus.

20 Capricorni visual magnitude is 6.25. Because of its faintness, 20 Capricorni 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 20 Capricorni. The red arrow shows the motion of 20 Capricorni during the next 10000 years (1.83 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 01m 00s

Declination -18° 56’ 13”

Hour Angle 12h 56m 12s

Sidereal Time 09h 57m 13s

J2000

Right Ascension 20h 59m 36s

Declination -19° 02’ 07”

Galactic Coordinates

Galactic Longitude 28.54°

Galactic Latitude -36.52°

Finder Chart

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Finder chart for 20 Capricorni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.25

Class

20 Capricorni is also a Si chemically peculiar star.

Absolute magnitude 0.65

Spectral Type B9

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where 20 Capricorni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 20 Capricorni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

20 Capricorni is distant 430.08 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 131.93

Distance (light year) 430.08

Radial Speed -10 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec -0.013"/y

Alternative Designations

Flamsteed designation 20 Capricorni

Henry Draper Catalogue HD199728

SAO Catalogue SAO164043

Hipparcos Catalogue HIP103616

Durchmusterung Catalogue BD-19 5982

General Catalogue of Variable Stars AO Cap

Visibility from Your Location

Today's 20 Capricorni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.9° RISE 11:29

Max altitude: 19.6° TRANSIT 15:45

Azimuth: 251.1° SET 20:01

Set Location

Other stars in Capricornus