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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
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
sleep NighttimeWhat's Visible Now?
All Constellations » Vulpecula » 


Altitude: -8.5°   Azimuth: 344.4°   Direction: North-North-West

HR8007 is a variable giant star in the constellation of Vulpecula.

HR8007 visual magnitude is 6.56. Because of its reltive faintness, HR8007 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8007:


HR8007 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.5°
Azimuth: 344.4°
Direction: North-North-West

Celestial coordinates and finder chart of HR8007

HR8007 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 HR8007 are provided in the following table:

20h 54m 22s
+28° 31’ 18”

The simplified sky map below shows the position of HR8007 in the sky:

Finder chart HR8007 star
Simplified finder chart for HR8007.

Visibility of HR8007 from your location

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

Today's HR8007 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.5°
Max altitude: 67.0°
Azimuth: 298.5°

Digitized Sky Survey image of HR8007

The image below is a photograph of HR8007 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8007 is 0.007 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8007 star
DSS2 image of HR8007. The red arrow shows the motion of HR8007 during the next 10000 years (1.17 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR8007 from the Sun and relative movement

HR8007 is distant 1,771.74 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

543.48 pc
1,771.74 ly
-6 km/s
0.007 arcsec/year
-0.01 arcsec/year

Spectral properties of HR8007

HR8007 belongs to spectral class B2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8007 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8007. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8007