HR5120

Below the horizon. Rise: 11:43 | Tran: 15:05 | Set: 18:28

Alt: -26.92° Az: 260.27° Direction: West

HR5120 is a multiple giant star of spectral class A7 in the constellation of Hydra.

HR5120 visual magnitude is 5.78. Because of its faintness, HR5120 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 HR5120. The red arrow shows the motion of HR5120 during the next 1000 years (-1.52 arcmin in Right Ascension and 0.35 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 38m 11s

Declination -26° 37’ 12”

Hour Angle 06h 42m 18s

Sideral Time 20h 20m 29s

J2000

Right Ascension 13h 36m 48s

Declination -26° 29’ 42”

Galactic Coordinates

Galactic Longitude 315.38°

Galactic Latitude 35.28°

Finder Chart

Simplified finder chart for HR5120.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.78

Class Giant

Absolute magnitude 0.41

Spectral Type A7III

Color Index (B-V) 0.22

Temperature 8011K

The red dot in the diagram below shows where HR5120 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5120. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5120 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 HR5120 double sysyem:

Main star magnitude 5.78

Secondary star magnitude 6.78

Magnitude difference 1

Separation 10.1 arcsec

Distance, Radial Speed, Proper Motion

HR5120 is distant 386.26 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 118.48

Distance (light year) 386.26

Radial Speed -10 km/s

Proper Motion RA -0.091 arcsec/y

Proper Motion Dec 0.021"/y

Alternative Designations

Henry Draper Catalogue HD118349

SAO Catalogue SAO181790

Hipparcos Catalogue HIP66400

Durchmusterung Catalogue CD-25 9900

Aitken Double Star Catalogue ADS8966

Visibility from Your Location

Today's HR5120 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.6° RISE 11:43

Max altitude: 11.9° TRANSIT 15:05

Azimuth: 243.4° SET 18:28

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Hydra