HR6654

HR6654 is a giant star in the constellation of Hercules.

HR6654 visual magnitude is 5.5. Because of its reltive faintness, HR6654 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 HR6654:

Color of HR6654 ⬤

Magnitude of HR6654 5.5

Class Giant

VISIBILITY RIGHT NOW HR6654 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 63°.

Celestial coordinates and finder chart of HR6654

HR6654 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 HR6654 are provided in the following table:

Right Ascension J2000 17h 50m 22s

Declination J2000 +29° 19’ 19”

Galactic Longitude 54.42°

Galactic Latitude 25.32°

Constellation Hercules

The simplified sky map below shows the position of HR6654 in the sky:

Simplified finder chart for HR6654.

Visibility of HR6654 from your location

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

Today's HR6654 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.7° RISE 20:44

Max altitude: 67.8° TRANSIT 5:44

Azimuth: 299.3° SET 14:41

RIGHT NOW HR6654 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6654

The image below is a photograph of HR6654 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 HR6654 is 0.029 arcsec per year in Right Ascension and 0.049 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6654. The red arrow shows the motion of HR6654 during the next 10000 years (4.83 arcmin in Right Ascension and 8.17 arcmin in declination);

Distance of HR6654 from the Sun and relative movement

HR6654 is distant 266.56 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 81.77 pc

Distance (light year) 266.56 ly

Heliocentric radial velocity -15 km/s

Proper Motion RA 0.029 arcsec/year

Proper Motion Dec 0.049 arcsec/year

Spectral properties of HR6654

HR6654 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.94

Spectral Type K1III

Color Index (B-V) 1.05

Temperature of HR6654 4626K

The red dot in the diagram below shows where HR6654 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6654. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6654

Henry Draper Catalogue HD162555

SAO Catalogue SAO85464

Hipparcos Catalogue HIP87308

Durchmusterung Catalogue BD+29 3126

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In Evidence

Other stars in Hercules