4 Capricorni

Below the horizon. Rise: 23:14 | Tran: 3:17 | Set: 7:15

Alt: -38.81° Az: 75.67° Direction: South-West

4 Capricorni is a hypergiant star of spectral class K0 in the constellation of Capricornus.

4 Capricorni visual magnitude is 5.87. Because of its faintness, 4 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 4 Capricorni. The red arrow shows the motion of 4 Capricorni during the next 10000 years (5.83 arcmin in Right Ascension and -4.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 19m 30s

Declination -21° 43’ 45”

Hour Angle 15h 37m 27s

Sidereal Time 11h 56m 58s

J2000

Right Ascension 20h 18m 01s

Declination -21° 48’ 35”

Galactic Coordinates

Galactic Longitude 21.5°

Galactic Latitude -28.31°

Finder Chart

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Finder chart for 4 Capricorni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.87

Class Hypergiant

Absolute magnitude 0.77

Spectral Type K0III

Color Index (B-V) 1

Temperature 4743K

The red dot in the diagram below shows where 4 Capricorni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 4 Capricorni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

4 Capricorni is distant 341.36 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 104.71

Distance (light year) 341.36

Radial Speed -18 km/s

Proper Motion RA 0.035 arcsec/y

Proper Motion Dec -0.024"/y

Alternative Designations

Flamsteed designation 4 Capricorni

Henry Draper Catalogue HD192879

SAO Catalogue SAO189114

Hipparcos Catalogue HIP100062

Durchmusterung Catalogue BD-22 5384

FK5 Catalogue 1529

Visibility from Your Location

Today's 4 Capricorni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 111.7° RISE 23:14

Max altitude: 16.8° TRANSIT 3:17

Azimuth: 248.3° SET 7:15

Set Location

Other stars in Capricornus