Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:43  
clear_day Transit: 12:58  
SunsetSet: 21:12 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Vulpecula » 

HR7716

Altitude: 57.0°   Azimuth: 146.8°   Direction: South-South-East

HR7716 is a supergiant star in the constellation of Vulpecula.

HR7716 visual magnitude is 6.26. Because of its reltive faintness, HR7716 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 HR7716:

6.26
Supergiant

HR7716 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 57.0°
Azimuth: 146.8°
Direction: South-South-East

Celestial coordinates and finder chart of HR7716

HR7716 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7716 are provided in the following table:

20h 11m 21s
+21° 52’ 32”
61.57°
-6.45°
Vulpecula

The simplified sky map below shows the position of HR7716 in the sky:

Finder chart HR7716 star
Simplified finder chart for HR7716.

Visibility of HR7716 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 HR7716 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: 68.1°
Max altitude: 60.4°
Azimuth: 291.9°
HR7716 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7716

The image below is a photograph of HR7716 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 HR7716 is -0.001 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7716 star
DSS2 image of HR7716. The red arrow shows the motion of HR7716 during the next 100000 years (-1.67 arcmin in Right Ascension and 11.67 arcmin in declination);

Distance of HR7716 from the Sun and relative movement

HR7716 is distant 29,636.36 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

9,090.91 pc
29,636.36 ly
-18 km/s
-0.001 arcsec/year
0.007 arcsec/year

Spectral properties of HR7716

HR7716 belongs to spectral class B1 and has a luminosity class of I corresponding to a supergiant star.

-8.53
B1I
10382K

The red dot in the diagram below shows where HR7716 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7716. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7716

SAO88315
SAO88315