HR6709

Altitude: 25.1° Azimuth: 124.7° Direction: South-East

HR6709 is a variable star in the constellation of Ophiuchus.

HR6709 visual magnitude is 6.37. Because of its reltive faintness, HR6709 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 HR6709:

Color of HR6709 ⬤

Magnitude of HR6709 6.37

Class

VISIBILITY RIGHT NOW

HR6709 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.1°
Azimuth: 124.7°
Direction: South-East

Celestial coordinates and finder chart of HR6709

HR6709 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 HR6709 are provided in the following table:

Right Ascension J2000 18h 00m 15s

Declination J2000 +00° 37’ 45”

Galactic Longitude 27.59°

Galactic Latitude 11.66°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6709 in the sky:

Simplified finder chart for HR6709.

Visibility of HR6709 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 HR6709 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: 89.4° RISE 7:02

Max altitude: 39.1° TRANSIT 13:03

Azimuth: 270.6° SET 19:05

Digitized Sky Survey image of HR6709

The image below is a photograph of HR6709 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 HR6709 is -0.006 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR6709. The red arrow shows the motion of HR6709 during the next 100000 years (-10.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Distance of HR6709 from the Sun and relative movement

HR6709 is distant 394.67 light years from the Sun and it is moving towards the Sun at the speed of 34 kilometers per second.

Distance (parsec) 121.07 pc

Distance (light year) 394.67 ly

Heliocentric radial velocity -34 km/s

Proper Motion RA -0.006 arcsec/year

Proper Motion Dec 0.004 arcsec/year

Spectral properties of HR6709

HR6709 belongs to spectral class A3 HR6709 is also a SrCrEu chemically peculiar star.

Absolute magnitude 0.95

Spectral Type A3

Color Index (B-V) 0.15

Temperature of HR6709 8571K

The red dot in the diagram below shows where HR6709 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6709. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6709

Henry Draper Catalogue HD164258

SAO Catalogue SAO123004

Hipparcos Catalogue HIP88148

Durchmusterung Catalogue BD+00 3832

General Catalogue of Variable Stars V2126 Oph

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In Evidence

Other stars in Ophiuchus