We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Sagittarius » 


Altitude: 12.8°   Azimuth: 213.9°   Direction: South-West

HR7023 is a variable and double giant star in the constellation of Sagittarius.

HR7023 visual magnitude is 6.35. Because of its reltive faintness, HR7023 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 HR7023:


HR7023 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.8°
Azimuth: 213.9°
Direction: South-West

Celestial coordinates and finder chart of HR7023

HR7023 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 HR7023 are provided in the following table:

18h 42m 55s
-19° 17’ 02”

The simplified sky map below shows the position of HR7023 in the sky:

Finder chart HR7023 star
Simplified finder chart for HR7023.

Visibility of HR7023 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 HR7023 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: 109.3°
Max altitude: 19.2°
Azimuth: 250.7°

Digitized Sky Survey image of HR7023

The image below is a photograph of HR7023 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 HR7023 is -0.001 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7023 star
DSS2 image of HR7023. The red arrow shows the motion of HR7023 during the next 10000 years (-0.17 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of HR7023 from the Sun and relative movement

HR7023 is distant 1,220.97 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

374.53 pc
1,220.97 ly
-33 km/s
-0.001 arcsec/year
-0.024 arcsec/year

Spectral properties of HR7023

HR7023 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7023 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7023. Attribution: Richard Powell / CC BY-SA

HR7023 star system properties

HR7023 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7023 double sysyem:

0.6 arcsec

Alternative designations of HR7023