HR6670

HR6670 is a sub-giant star in the constellation of Ophiuchus.

HR6670 visual magnitude is 5.77. Because of its reltive faintness, HR6670 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 HR6670:

Color of HR6670 ⬤

Magnitude of HR6670 5.77

Class Sub-giant

VISIBILITY RIGHT NOW HR6670 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 6°.

Celestial coordinates and finder chart of HR6670

HR6670 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 HR6670 are provided in the following table:

Right Ascension J2000 17h 53m 14s

Declination J2000 +06° 06’ 05”

Galactic Longitude 31.78°

Galactic Latitude 15.71°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6670 in the sky:

Simplified finder chart for HR6670.

Visibility of HR6670 from your location

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

Today's HR6670 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 83.9° RISE 23:39

Max altitude: 44.6° TRANSIT 6:12

Azimuth: 276.1° SET 12:40

RIGHT NOW HR6670 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6670

The image below is a photograph of HR6670 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 HR6670 is -0.122 arcsec per year in Right Ascension and 0.069 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR6670. The red arrow shows the motion of HR6670 during the next 1000 years (-2.03 arcmin in Right Ascension and 1.15 arcmin in declination);

Distance of HR6670 from the Sun and relative movement

HR6670 is distant 102.29 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

Distance (parsec) 31.38 pc

Distance (light year) 102.29 ly

Heliocentric radial velocity -33 km/s

Proper Motion RA -0.122 arcsec/year

Proper Motion Dec 0.069 arcsec/year

Spectral properties of HR6670

HR6670 belongs to spectral class F3 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 3.29

Spectral Type F3IV

Color Index (B-V) 0.42

Temperature of HR6670 6776K

The red dot in the diagram below shows where HR6670 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6670. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6670

Henry Draper Catalogue HD162917

SAO Catalogue SAO122880

Hipparcos Catalogue HIP87558

Durchmusterung Catalogue BD+06 3566

FK5 Catalogue 3420

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In Evidence

Other stars in Ophiuchus