HR6840

Below the horizon. Rise: 19:25 | Tran: 1:12 | Set: 6:55

Alt: -30.77° Az: 49.43° Direction: South-South-West

HR6840 is a giant star of spectral class G3 in the constellation of Serpens.

HR6840 visual magnitude is 6. Because of its faintness, HR6840 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR6840. The red arrow shows the motion of HR6840 during the next 1000 years (0.20 arcmin in Right Ascension and -4.47 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 18m 13s

Declination -02° 59’ 46”

Hour Angle 14h 43m 14s

Sidereal Time 09h 01m 27s

J2000

Right Ascension 18h 16m 53s

Declination -03° 00’ 25”

Galactic Coordinates

Galactic Longitude 26.29°

Galactic Latitude 6.29°

Finder Chart

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Finder chart for HR6840.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6

Class Giant

Absolute magnitude 0.98

Spectral Type G3III

Color Index (B-V) 0.89

Temperature 5023K

The red dot in the diagram below shows where HR6840 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6840. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6840 is distant 328.96 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 100.91

Distance (light year) 328.96

Radial Speed 2 km/s

Proper Motion RA 0.012 arcsec/y

Proper Motion Dec -0.268"/y

Alternative Designations

Henry Draper Catalogue HD167768

SAO Catalogue SAO142189

Hipparcos Catalogue HIP89587

Durchmusterung Catalogue BD-03 4263

Visibility from Your Location

Today's HR6840 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.0° RISE 19:25

Max altitude: 35.5° TRANSIT 1:12

Azimuth: 267.0° SET 6:55

Set Location

Other stars in Serpens