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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:55  
clear_day Transit: 12:11  
SunsetSet: 17:29
sunny DaytimeWhat's Visible Now?
All Constellations » Cygnus » 

HR7767

Altitude: 63.8°   Azimuth: 100.3°   Direction: East

HR7767 is a multiple main-sequence star in the constellation of Cygnus.

HR7767 visual magnitude is 5.84. Because of its reltive faintness, HR7767 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7767 is 0.001 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7767 star
DSS2 image of HR7767. The red arrow shows the motion of HR7767 during the next 100000 years (1.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Key facts about HR7767

5.84
Main-sequence

HR7767 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 63.8°
Azimuth: 100.3°
Direction: East

Celestial coordinates and finder chart of HR7767

HR7767 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7767 are provided in the following table:

20h 18m 06s
+40° 43’ 55”
78.1°
2.78°
Cygnus

The simplified sky map below shows the position of HR7767 in the sky:

Finder chart HR7767 star
Simplified finder chart for HR7767.

Visibility of HR7767 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR7767 is circumpolar and transits at 09:59 UTC (altitude: 79.3°)

Distance of HR7767 from the Sun and relative movement

HR7767 is distant 1,552.38 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

476.19 pc
1,552.38 ly
-7 km/s
0.001 arcsec/year
-0.003 arcsec/year

Spectral properties of HR7767

HR7767 belongs to spectral class O9 and has a luminosity class of V corresponding to a main-sequence star.

-2.55
O9V
9028K

The red dot in the diagram below shows where HR7767 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7767. Attribution: Richard Powell / CC BY-SA

HR7767 star system properties

HR7767 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR7767 double sysyem:

5.84
8.34
2.5
2.6 arcsec

Alternative designations of HR7767

SAO49438
SAO49438