ο Capricorni (omicron Capricorni)

Below the horizon. Rise: 1:04 | Tran: 5:23 | Set: 9:42

Alt: -19.04° Az: 96.05° Direction: East

ο Capricorni is a double main-sequence star of spectral class A3 in the constellation of Capricornus.

ο Capricorni visual magnitude is 5.94. Because of its faintness, ο 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.

Image of ο Capricorni (omicron Capricorni) star

DSS2 image of ο Capricorni. The red arrow shows the motion of ο Capricorni during the next 10000 years (4.33 arcmin in Right Ascension and -13.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 31m 21s

Declination -18° 29’ 49”

Hour Angle 17h 29m 38s

Sidereal Time 14h 00m 59s

J2000

Right Ascension 20h 29m 53s

Declination -18° 34’ 59”

Galactic Coordinates

Galactic Longitude 26.08°

Galactic Latitude -29.78°

Finder Chart

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Finder chart for ο Capricorni (omicron Capricorni).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.94

Class Main-sequence

Absolute magnitude 1.62

Spectral Type A3V

Color Index (B-V) 0.08

Temperature 9226K

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

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

Star System Properties

ο Capricorni is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ο Capricorni double sysyem:

Main star magnitude 5.94

Secondary star magnitude 6.74

Magnitude difference 0.8

Separation 21.9 arcsec

Distance, Radial Speed, Proper Motion

ο Capricorni is distant 238.83 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 73.26

Distance (light year) 238.83

Radial Speed -12 km/s

Proper Motion RA 0.026 arcsec/y

Proper Motion Dec -0.082"/y

Alternative Designations

Bayer designation ο Capricorni
(omicron Capricorni)

Flamsteed designation 12 Capricorni

Henry Draper Catalogue HD195094

SAO Catalogue SAO163626

Hipparcos Catalogue HIP101123

Durchmusterung Catalogue BD-19 5831

Aitken Double Star Catalogue ADS13902

Visibility from Your Location

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

Azimuth: 108.5° RISE 1:04

Max altitude: 20.0° TRANSIT 5:23

Azimuth: 251.5° SET 9:42

Set Location

Other stars in Capricornus