HR7737

Above the horizon. Circumpolar today

Alt: 19.50° Az: 314.34° Direction: North-West

HR7737 is a multiple sub-giant star of spectral class B9 in the constellation of Cygnus.

HR7737 visual magnitude is 6.71. Because of its faintness, HR7737 is not visible to the naked eye.

DSS2 image of HR7737. The red arrow shows the motion of HR7737 during the next 10000 years (0.83 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 15m 14s

Declination +42° 10’ 55”

Hour Angle 07h 38m 04s

Sidereal Time 03h 53m 18s

J2000

Right Ascension 20h 14m 21s

Declination +42° 06’ 12”

Galactic Coordinates

Galactic Longitude 78.85°

Galactic Latitude 4.13°

Finder Chart

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Finder chart for HR7737.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.71

Class Sub-giant

Absolute magnitude -1.09

Spectral Type B9IV

Color Index (B-V) -0.04

Temperature 10653K

The red dot in the diagram below shows where HR7737 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7737. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7737 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7737 double sysyem:

Main star magnitude 6.71

Secondary star magnitude 6.91

Magnitude difference 0.2

Separation 0.9 arcsec

Distance, Radial Speed, Proper Motion

HR7737 is distant 1,181.16 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 362.32

Distance (light year) 1,181.16

Radial Speed -18 km/s

Proper Motion RA 0.005 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Henry Draper Catalogue HD192659

SAO Catalogue SAO49345

Hipparcos Catalogue HIP99749

Durchmusterung Catalogue BD+41 3668

Aitken Double Star Catalogue ADS13572

Visibility from Your Location

HR7737 is circumpolar and transits at 04:26 UTC (altitude: 80.7°)

In Evidence

Other stars in Cygnus

HR7737

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Cygnus

HR7737

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location