HR3138

Below the horizon. Never rises today

Alt: -32.84° Az: 148.25° Direction: South-South-East

HR3138 is a multiple hypergiant star of spectral class G0 in the constellation of Carina.

HR3138 visual magnitude is 5.6. Because of its faintness, HR3138 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 HR3138. The red arrow shows the motion of HR3138 during the next 1000 years (8.62 arcmin in Right Ascension and 1.90 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 58m 12s

Declination -60° 22’ 16”

Hour Angle 19h 46m 18s

Sideral Time 03h 44m 30s

J2000

Right Ascension 07h 57m 46s

Declination -60° 18’ 11”

Galactic Coordinates

Galactic Longitude 273.38°

Galactic Latitude -15.69°

Finder Chart

Simplified finder chart for HR3138.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.6

Class Hypergiant

Absolute magnitude 4.55

Spectral Type G0V

Color Index (B-V) 0.57

Temperature 6088K

The red dot in the diagram below shows where HR3138 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3138. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3138 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR3138 double sysyem:

Main star magnitude 5.6

Secondary star magnitude 9.9

Magnitude difference 4.3

Separation 60 arcsec

Distance, Radial Speed, Proper Motion

HR3138 is distant 52.78 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 16.19

Distance (light year) 52.78

Radial Speed 14 km/s

Proper Motion RA 0.517 arcsec/y

Proper Motion Dec 0.114"/y

Alternative Designations

Henry Draper Catalogue HD65907

SAO Catalogue SAO250035

Hipparcos Catalogue HIP38908

Durchmusterung Catalogue CP-59 944

Gliese Catalogue Gl 294 A

Visibility from Your Location

HR3138 is currently not visible from Greenwich, UK

Set Location

Other stars in Carina