HR6550

HR6550 is a giant star in the constellation of Hercules.

HR6550 visual magnitude is 5.74. Because of its reltive faintness, HR6550 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 HR6550:

Color of HR6550 ⬤

Magnitude of HR6550 5.74

Class Giant

VISIBILITY RIGHT NOW HR6550 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 4°.

Celestial coordinates and finder chart of HR6550

HR6550 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 HR6550 are provided in the following table:

Right Ascension J2000 17h 33m 07s

Declination J2000 +41° 14’ 36”

Galactic Longitude 66.6°

Galactic Latitude 31.66°

Constellation Hercules

The simplified sky map below shows the position of HR6550 in the sky:

Simplified finder chart for HR6550.

Visibility of HR6550 from your location

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

HR6550 is circumpolar and transits at 05:27 UTC (altitude: 79.8°)

Digitized Sky Survey image of HR6550

The image below is a photograph of HR6550 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 HR6550 is -0.068 arcsec per year in Right Ascension and -0.06 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6550. The red arrow shows the motion of HR6550 during the next 10000 years (-11.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR6550 from the Sun and relative movement

HR6550 is distant 378.19 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

Distance (parsec) 116.01 pc

Distance (light year) 378.19 ly

Heliocentric radial velocity -29 km/s

Proper Motion RA -0.068 arcsec/year

Proper Motion Dec -0.06 arcsec/year

Spectral properties of HR6550

HR6550 belongs to spectral class K1

Absolute magnitude 0.42

Spectral Type K1

Color Index (B-V) 1.09

Temperature of HR6550 4537K

The red dot in the diagram below shows where HR6550 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6550. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6550

Henry Draper Catalogue HD159501

SAO Catalogue SAO46792

Hipparcos Catalogue HIP85888

Durchmusterung Catalogue BD+41 2850

FK5 Catalogue 1462

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In Evidence

Other stars in Hercules