HR6495

HR6495 is a variable and multiple giant star in the constellation of Hercules.

HR6495 visual magnitude is 5.98. Because of its reltive faintness, HR6495 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 HR6495:

Color of HR6495 ⬤

Magnitude of HR6495 5.98

Class Giant

VISIBILITY RIGHT NOW HR6495 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 2°.

Celestial coordinates and finder chart of HR6495

HR6495 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 HR6495 are provided in the following table:

Right Ascension J2000 17h 25m 54s

Declination J2000 +16° 55’ 03”

Galactic Longitude 39.33°

Galactic Latitude 26.3°

Constellation Hercules

The simplified sky map below shows the position of HR6495 in the sky:

Simplified finder chart for HR6495.

Visibility of HR6495 from your location

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

Today's HR6495 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.1° RISE 22:04

Max altitude: 55.4° TRANSIT 5:35

Azimuth: 286.9° SET 13:03

RIGHT NOW HR6495 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6495

The image below is a photograph of HR6495 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 HR6495 is -0.008 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6495. The red arrow shows the motion of HR6495 during the next 10000 years (-1.33 arcmin in Right Ascension and 1.83 arcmin in declination);

Distance of HR6495 from the Sun and relative movement

HR6495 is distant 652.00 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 200.00 pc

Distance (light year) 652.00 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.008 arcsec/year

Proper Motion Dec 0.011 arcsec/year

Spectral properties of HR6495

HR6495 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.53

Spectral Type M4III

Color Index (B-V) 1.62

Temperature of HR6495 3622K

The red dot in the diagram below shows where HR6495 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6495. Attribution: Richard Powell / CC BY-SA

HR6495 star system properties

HR6495 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 HR6495 double sysyem:

Main star magnitude 5.98

Secondary star magnitude 13.48

Magnitude difference 7.5

Separation 23.1 arcsec

Alternative designations of HR6495

Henry Draper Catalogue HD157967

SAO Catalogue SAO102819

Hipparcos Catalogue HIP85302

Durchmusterung Catalogue BD+17 3241

General Catalogue of Variable Stars V640 Her

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In Evidence

Other stars in Hercules