HR4177

Below the horizon. Never rises today

Alt: -23.65° Az: 196.80° Direction: South-South-West

HR4177 is a variable and double giant star of spectral class K4 in the constellation of Carina.

HR4177 visual magnitude is 4.66. Because of its moderate brightness, HR4177 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4177. The red arrow shows the motion of HR4177 during the next 10000 years (-2.00 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 39m 43s

Declination -59° 18’ 56”

Hour Angle 02h 04m 59s

Sidereal Time 12h 44m 43s

J2000

Right Ascension 10h 38m 45s

Declination -59° 10’ 59”

Galactic Coordinates

Galactic Longitude 286.65°

Galactic Latitude -0.57°

Finder Chart

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Finder chart for HR4177.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.66

Class Giant

Absolute magnitude -4.11

Spectral Type K4III

Color Index (B-V) 1.48

Temperature 3824K

The red dot in the diagram below shows where HR4177 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4177. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4177 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 HR4177 double sysyem:

Main star magnitude 4.66

Secondary star magnitude 8.06

Magnitude difference 3.4

Separation 14.6 arcsec

Distance, Radial Speed, Proper Motion

HR4177 is distant 1,852.27 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 568.18

Distance (light year) 1,852.27

Radial Speed 11 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec 0.001"/y

Alternative Designations

Henry Draper Catalogue HD92397

SAO Catalogue SAO238295

Hipparcos Catalogue HIP52102

Durchmusterung Catalogue CP-58 2460

General Catalogue of Variable Stars 4922

Visibility from Your Location

HR4177 is currently not visible from Greenwich, UK

Set Location

Other stars in Carina