HR6488

HR6488 is a double sub-giant star in the constellation of Hercules.

HR6488 visual magnitude is 6.49. Because of its reltive faintness, HR6488 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 HR6488:

Color of HR6488 ⬤

Magnitude of HR6488 6.49

Class Sub-giant

VISIBILITY RIGHT NOW HR6488 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 69°.

Celestial coordinates and finder chart of HR6488

HR6488 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 HR6488 are provided in the following table:

Right Ascension J2000 17h 24m 02s

Declination J2000 +38° 34’ 58”

Galactic Longitude 63.14°

Galactic Latitude 32.91°

Constellation Hercules

The simplified sky map below shows the position of HR6488 in the sky:

Simplified finder chart for HR6488.

Visibility of HR6488 from your location

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

HR6488 is circumpolar and transits at 05:18 UTC (altitude: 77.1°)

Digitized Sky Survey image of HR6488

The image below is a photograph of HR6488 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 HR6488 is -0.012 arcsec per year in Right Ascension and 0.04 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6488. The red arrow shows the motion of HR6488 during the next 10000 years (-2.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Distance of HR6488 from the Sun and relative movement

HR6488 is distant 539.74 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

Distance (parsec) 165.56 pc

Distance (light year) 539.74 ly

Heliocentric radial velocity 27 km/s

Proper Motion RA -0.012 arcsec/year

Proper Motion Dec 0.04 arcsec/year

Spectral properties of HR6488

HR6488 belongs to spectral class F8 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 0.40

Spectral Type F8IV

Color Index (B-V) 0.73

Temperature of HR6488 5501K

The red dot in the diagram below shows where HR6488 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6488. Attribution: Richard Powell / CC BY-SA

HR6488 star system properties

HR6488 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 HR6488 double sysyem:

Main star magnitude 6.49

Secondary star magnitude 6.59

Magnitude difference 0.1

Separation 0.1 arcsec

Alternative designations of HR6488

Henry Draper Catalogue HD157853

SAO Catalogue SAO66006

Hipparcos Catalogue HIP85149

Durchmusterung Catalogue BD+38 2928

Aitken Double Star Catalogue ADS10531

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In Evidence

Other stars in Hercules