Your guide to the Solar System and the night sky
🌎  Greenwich, United Kingdom [change]

HR7713

HR7713 is a hypergiant star in the constellation of Sagitta.

HR7713 visual magnitude is 6.22. Because of its reltive faintness, HR7713 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 HR7713:

6.22
Hypergiant
HR7713 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 8°.

Celestial coordinates and finder chart of HR7713

HR7713 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 HR7713 are provided in the following table:

20h 11m 03s
+21° 08’ 04”
60.9°
-6.79°
Sagitta

The simplified sky map below shows the position of HR7713 in the sky:

Finder chart HR7713 star
Simplified finder chart for HR7713.

Visibility of HR7713 from your location

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

Today's HR7713 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.9°
Max altitude: 59.7°
Azimuth: 291.1°
HR7713 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7713

The image below is a photograph of HR7713 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 HR7713 is 0.017 arcsec per year in Right Ascension and 0.034 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7713 star
DSS2 image of HR7713. The red arrow shows the motion of HR7713 during the next 10000 years (2.83 arcmin in Right Ascension and 5.67 arcmin in declination);

Distance of HR7713 from the Sun and relative movement

HR7713 is distant 514.20 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

157.73 pc
514.20 ly
-7 km/s
0.017 arcsec/year
0.034 arcsec/year

Spectral properties of HR7713

HR7713 belongs to spectral class K0

0.23
K0
4996K

The red dot in the diagram below shows where HR7713 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7713. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7713

SAO88309
SAO88309