HR7670

Above the horizon. Rise: 12:12 | Tran: 21:15 | Set: 6:22

Alt: 1.45° Az: 39.60° Direction: North-East

HR7670 is a double sub-giant star of spectral class G6 in the constellation of Cygnus.

HR7670 visual magnitude is 5.71. Because of its faintness, HR7670 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 HR7670. The red arrow shows the motion of HR7670 during the next 1000 years (11.38 arcmin in Right Ascension and -8.77 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 04m 37s

Declination +29° 58’ 03”

Hour Angle 15h 09m 24s

Sideral Time 11h 14m 01s

J2000

Right Ascension 20h 03m 37s

Declination +29° 53’ 48”

Galactic Coordinates

Galactic Longitude 67.41°

Galactic Latitude -0.66°

Finder Chart

Simplified finder chart for HR7670.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Sub-giant

Absolute magnitude 4.70

Spectral Type G6IV

Color Index (B-V) 0.73

Temperature 5501K

The red dot in the diagram below shows where HR7670 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7670. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7670 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7670 double sysyem:

Main star magnitude 5.71

Secondary star magnitude 15.51

Magnitude difference 9.8

Separation 179 arcsec

Distance, Radial Speed, Proper Motion

HR7670 is distant 51.81 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

Distance (parsec) 15.89

Distance (light year) 51.81

Radial Speed -45 km/s

Proper Motion RA 0.683 arcsec/y

Proper Motion Dec -0.526"/y

Alternative Designations

Henry Draper Catalogue HD190360

SAO Catalogue SAO88133

Hipparcos Catalogue HIP98767

Durchmusterung Catalogue BD+29 3872

Gliese Catalogue Gl 777 A

Visibility from Your Location

Today's HR7670 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.0° RISE 12:12

Max altitude: 68.5° TRANSIT 21:15

Azimuth: 300.0° SET 6:22

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Cygnus