HR5811

Altitude: 53.1° Azimuth: 60.8° Direction: East-North-East

HR5811 is a giant star in the constellation of Draco.

HR5811 visual magnitude is 5.97. Because of its reltive faintness, HR5811 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 HR5811:

Color of HR5811 ⬤

Magnitude of HR5811 5.97

Class Giant

VISIBILITY RIGHT NOW

HR5811 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 53.1°
Azimuth: 60.8°
Direction: East-North-East

Celestial coordinates and finder chart of HR5811

HR5811 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5811 are provided in the following table:

Right Ascension J2000 15h 35m 16s

Declination J2000 +53° 55’ 18”

Galactic Longitude 86.16°

Galactic Latitude 49.85°

Constellation Draco

The simplified sky map below shows the position of HR5811 in the sky:

Simplified finder chart for HR5811.

Visibility of HR5811 from your location

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

HR5811 is circumpolar and transits at 15:30 UTC (altitude: 87.6°)

Digitized Sky Survey image of HR5811

The image below is a photograph of HR5811 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 HR5811 is -0.011 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR5811. The red arrow shows the motion of HR5811 during the next 10000 years (-1.83 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR5811 from the Sun and relative movement

HR5811 is distant 395.63 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 121.36 pc

Distance (light year) 395.63 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.011 arcsec/year

Proper Motion Dec -0.004 arcsec/year

Spectral properties of HR5811

HR5811 belongs to spectral class K4

Absolute magnitude 0.55

Spectral Type K4

Color Index (B-V) 1.18

Temperature of HR5811 4348K

The red dot in the diagram below shows where HR5811 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5811. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5811

Henry Draper Catalogue HD139357

SAO Catalogue SAO29583

Hipparcos Catalogue HIP76311

Durchmusterung Catalogue BD+54 1756

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In Evidence

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