HR6650

Altitude: 1.9° Azimuth: 286.9° Direction: West-North-West

HR6650 is a giant star in the constellation of Ophiuchus.

HR6650 visual magnitude is 6.17. Because of its reltive faintness, HR6650 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 HR6650:

Color of HR6650 ⬤

Magnitude of HR6650 6.17

Class Giant

VISIBILITY RIGHT NOW

HR6650 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 1.9°
Azimuth: 286.9°
Direction: West-North-West

Celestial coordinates and finder chart of HR6650

HR6650 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 HR6650 are provided in the following table:

Right Ascension J2000 17h 50m 43s

Declination J2000 +11° 56’ 48”

Galactic Longitude 37.02°

Galactic Latitude 18.81°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6650 in the sky:

Simplified finder chart for HR6650.

Visibility of HR6650 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 HR6650 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: 78.1° RISE 6:10

Max altitude: 50.5° TRANSIT 13:10

Azimuth: 281.9° SET 20:09

Digitized Sky Survey image of HR6650

The image below is a photograph of HR6650 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 HR6650 is -0.022 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6650. The red arrow shows the motion of HR6650 during the next 10000 years (-3.67 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of HR6650 from the Sun and relative movement

HR6650 is distant 508.58 light years from the Sun and it is moving towards the Sun at the speed of 49 kilometers per second.

Distance (parsec) 156.01 pc

Distance (light year) 508.58 ly

Heliocentric radial velocity -49 km/s

Proper Motion RA -0.022 arcsec/year

Proper Motion Dec -0.024 arcsec/year

Spectral properties of HR6650

HR6650 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.20

Spectral Type K1III

Color Index (B-V) 1.25

Temperature of HR6650 4213K

The red dot in the diagram below shows where HR6650 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6650. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6650

Henry Draper Catalogue HD162468

SAO Catalogue SAO103145

Hipparcos Catalogue HIP87335

Durchmusterung Catalogue BD+12 3305

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In Evidence

Other stars in Ophiuchus