HR5120

Altitude: 11.9° Azimuth: 185.2° Direction: South

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

HR5120 visual magnitude is 5.78. Because of its reltive faintness, HR5120 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR5120:

Color of HR5120 ⬤

Magnitude of HR5120 5.78

Class Giant

VISIBILITY RIGHT NOW

HR5120 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.9°
Azimuth: 185.2°
Direction: South

Celestial coordinates and finder chart of HR5120

HR5120 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5120 are provided in the following table:

Right Ascension J2000 13h 36m 48s

Declination J2000 -26° 29’ 42”

Galactic Longitude 315.38°

Galactic Latitude 35.28°

Constellation Hydra

The simplified sky map below shows the position of HR5120 in the sky:

Simplified finder chart for HR5120.

Visibility of HR5120 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 116.5° RISE 18:01

Max altitude: 12.0° TRANSIT 21:25

Azimuth: 243.5° SET 0:48

RIGHT NOW HR5120 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR5120

The image below is a photograph of HR5120 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR5120 is -0.091 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

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);

Distance of HR5120 from the Sun and relative movement

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 pc

Distance (light year) 386.26 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.091 arcsec/year

Proper Motion Dec 0.021 arcsec/year

Spectral properties of HR5120

HR5120 belongs to spectral class A7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.41

Spectral Type A7III

Color Index (B-V) 0.22

Temperature of HR5120 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

HR5120 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

Alternative designations of HR5120

Henry Draper Catalogue HD118349

SAO Catalogue SAO181790

Hipparcos Catalogue HIP66400

Durchmusterung Catalogue CD-25 9900

Aitken Double Star Catalogue ADS8966

In Evidence

Other stars in Hydra