HR7734

Above the horizon. Rise: 18:09 | Tran: 4:47 | Set: 15:21

Alt: 1.35° Az: 338.43° Direction: North-North-West

HR7734 is a variable hypergiant star of spectral class A0 in the constellation of Cygnus.

HR7734 visual magnitude is 6.45. Because of its faintness, HR7734 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 HR7734. The red arrow shows the motion of HR7734 during the next 10000 years (4.00 arcmin in Right Ascension and 0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 15m 02s

Declination +36° 41’ 01”

Hour Angle 10h 10m 54s

Sidereal Time 06h 25m 56s

J2000

Right Ascension 20h 14m 04s

Declination +36° 36’ 19”

Galactic Coordinates

Galactic Longitude 74.23°

Galactic Latitude 1.14°

Finder Chart

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Finder chart for HR7734.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.45

Class Hypergiant

Absolute magnitude -1.00

Spectral Type A0V

Color Index (B-V) 0

Temperature 10125K

The red dot in the diagram below shows where HR7734 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7734. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7734 is distant 1,009.29 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 309.60

Distance (light year) 1,009.29

Radial Speed -22 km/s

Proper Motion RA 0.024 arcsec/y

Proper Motion Dec 0.002"/y

Alternative Designations

Henry Draper Catalogue HD192538

SAO Catalogue SAO69653

Hipparcos Catalogue HIP99719

Durchmusterung Catalogue BD+36 3949

General Catalogue of Variable Stars Var?

Visibility from Your Location

Today's HR7734 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.3° RISE 18:09

Max altitude: 75.2° TRANSIT 4:47

Azimuth: 306.7° SET 15:21

Set Location

Other stars in Cygnus