HR5080

Altitude: 10.0° Azimuth: 209.9° Direction: South-South-West

HR5080 is a variable and double giant star in the constellation of Hydra.

HR5080 visual magnitude is 4.97. Because of its moderate brightness, HR5080 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR5080:

Color of HR5080 ⬤

Magnitude of HR5080 4.97

Class Giant

VISIBILITY RIGHT NOW

HR5080 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.0°
Azimuth: 209.9°
Direction: South-South-West

Celestial coordinates and finder chart of HR5080

HR5080 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5080 are provided in the following table:

Right Ascension J2000 13h 29m 42s

Declination J2000 -23° 16’ 53”

Galactic Longitude 314.22°

Galactic Latitude 38.75°

Constellation Hydra

The simplified sky map below shows the position of HR5080 in the sky:

Simplified finder chart for HR5080.

Visibility of HR5080 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 HR5080 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: 113.3° RISE 10:41

Max altitude: 15.2° TRANSIT 14:29

Azimuth: 246.7° SET 18:16

Digitized Sky Survey image of HR5080

The image below is a photograph of HR5080 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 HR5080 is -0.056 arcsec per year in Right Ascension and 0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR5080. The red arrow shows the motion of HR5080 during the next 10000 years (-9.33 arcmin in Right Ascension and 2.67 arcmin in declination);

Distance of HR5080 from the Sun and relative movement

HR5080 is distant 2,012.35 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 617.28 pc

Distance (light year) 2,012.35 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.056 arcsec/year

Proper Motion Dec 0.016 arcsec/year

Spectral properties of HR5080

HR5080 belongs to spectral class M7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -3.98

Spectral Type M7III

Color Index (B-V) 1.6

Temperature of HR5080 3649K

The red dot in the diagram below shows where HR5080 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5080. Attribution: Richard Powell / CC BY-SA

HR5080 star system properties

HR5080 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR5080 double sysyem:

Main star magnitude 4.97

Secondary star magnitude 13.47

Magnitude difference 8.5

Separation 21.2 arcsec

Alternative designations of HR5080

Henry Draper Catalogue HD117287

SAO Catalogue SAO181695

Hipparcos Catalogue HIP65835

Durchmusterung Catalogue BD-22 3601

General Catalogue of Variable Stars R Hya

Aitken Double Star Catalogue ADS8920

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In Evidence

Other stars in Hydra