HR6917

Altitude: 65.9° Azimuth: 148.8° Direction: South-South-East

HR6917 is a sub-giant star in the constellation of Hercules.

HR6917 visual magnitude is 5.83. Because of its reltive faintness, HR6917 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 HR6917:

Color of HR6917 ⬤

Magnitude of HR6917 5.83

Class Sub-giant

VISIBILITY RIGHT NOW

HR6917 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 65.9°
Azimuth: 148.8°
Direction: South-South-East

Celestial coordinates and finder chart of HR6917

HR6917 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 HR6917 are provided in the following table:

Right Ascension J2000 18h 25m 58s

Declination J2000 +29° 49’ 44”

Galactic Longitude 57.76°

Galactic Latitude 18.2°

Constellation Hercules

The simplified sky map below shows the position of HR6917 in the sky:

Simplified finder chart for HR6917.

Visibility of HR6917 from your location

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

Today's HR6917 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.2° RISE 17:23

Max altitude: 68.3° TRANSIT 2:29

Azimuth: 299.8° SET 11:30

RIGHT NOW HR6917 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6917

The image below is a photograph of HR6917 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 HR6917 is 0.026 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6917. The red arrow shows the motion of HR6917 during the next 10000 years (4.33 arcmin in Right Ascension and -3.67 arcmin in declination);

Distance of HR6917 from the Sun and relative movement

HR6917 is distant 427.26 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 131.06 pc

Distance (light year) 427.26 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA 0.026 arcsec/year

Proper Motion Dec -0.022 arcsec/year

Spectral properties of HR6917

HR6917 belongs to spectral class A2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 0.24

Spectral Type A2IV

Color Index (B-V) 0.06

Temperature of HR6917 9434K

The red dot in the diagram below shows where HR6917 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6917. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6917

Henry Draper Catalogue HD169981

SAO Catalogue SAO86043

Hipparcos Catalogue HIP90342

Durchmusterung Catalogue BD+29 3259

FK5 Catalogue 1479

In Evidence

Other stars in Hercules