HR7757

Below the horizon. Rise: 16:22 | Tran: 3:11 | Set: 13:56

Alt: -0.97° Az: 7.75° Direction: South-West

HR7757 is a giant star of spectral class B6 in the constellation of Cygnus.

HR7757 visual magnitude is 6.48. Because of its faintness, HR7757 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 HR7757. The red arrow shows the motion of HR7757 during the next 10000 years (2.17 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 17m 25s

Declination +37° 08’ 10”

Hour Angle 12h 38m 57s

Sidereal Time 08h 56m 23s

J2000

Right Ascension 20h 16m 28s

Declination +37° 03’ 23”

Galactic Coordinates

Galactic Longitude 74.87°

Galactic Latitude 0.99°

Finder Chart

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Finder chart for HR7757.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.48

Class Giant

Absolute magnitude -1.24

Spectral Type B6III

Color Index (B-V) -0.09

Temperature 11407K

The red dot in the diagram below shows where HR7757 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7757. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7757 is distant 1,139.86 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 349.65

Distance (light year) 1,139.86

Radial Speed -8 km/s

Proper Motion RA 0.013 arcsec/y

Proper Motion Dec 0.001"/y

Alternative Designations

Henry Draper Catalogue HD192987

SAO Catalogue SAO69725

Hipparcos Catalogue HIP99929

Durchmusterung Catalogue BD+36 3978

Visibility from Your Location

Today's HR7757 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.9° RISE 16:22

Max altitude: 75.7° TRANSIT 3:11

Azimuth: 307.1° SET 13:56

Set Location

Other stars in Cygnus