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

HR7703

HR7703 is a multiple main-sequence star in the constellation of Sagittarius.

HR7703 visual magnitude is 5.32. Because of its reltive faintness, HR7703 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 HR7703:

5.32
Main-sequence
HR7703 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR7703

HR7703 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7703 are provided in the following table:

20h 11m 11s
-36° 06’ 03”
5.26°
-30.91°
Sagittarius

The simplified sky map below shows the position of HR7703 in the sky:

Finder chart HR7703 star
Simplified finder chart for HR7703.

Visibility of HR7703 from your location

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

Today's HR7703 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.1°
Max altitude: 2.4°
Azimuth: 233.9°
HR7703 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7703

The image below is a photograph of HR7703 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 HR7703 is 0.458 arcsec per year in Right Ascension and -1.571 arcsec per year in Declination and the associated displacement for the next 100 years is represented with the red arrow.

Image of HR7703 star
DSS2 image of HR7703. The red arrow shows the motion of HR7703 during the next 100 years (0.76 arcmin in Right Ascension and -2.62 arcmin in declination);

Distance of HR7703 from the Sun and relative movement

HR7703 is distant 19.73 light years from the Sun and it is moving towards the Sun at the speed of 130 kilometers per second.

6.05 pc
19.73 ly
-130 km/s
0.458 arcsec/year
-1.571 arcsec/year

Spectral properties of HR7703

HR7703 belongs to spectral class K3 and has a luminosity class of V corresponding to a main-sequence star.

6.41
K3V
5078K

The red dot in the diagram below shows where HR7703 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7703. Attribution: Richard Powell / CC BY-SA

HR7703 star system properties

HR7703 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7703 double sysyem:

5.32
9.32
4
arcsec

Alternative designations of HR7703

SAO211885
SAO211885
Gl 783 A