We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?
All Constellations » Sagittarius » 

ψ Sagittarii (psi Sagittarii)

Below the horizon.  Rise: 22:23 | Tran: 2:00 | Set: 5:34
Altitude: -32.5°   Azimuth: 269.3°   Direction: West

ψ Sagittarii is a multiple giant star of spectral class G8 in the constellation of Sagittarius.

ψ Sagittarii visual magnitude is 4.85. Because of its moderate brightness, ψ Sagittarii is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of ψ Sagittarii

Finder chart ψ Sagittarii (psi Sagittarii) star
Simplified finder chart for ψ Sagittarii (psi Sagittarii).

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

19h 15m 32s
-25° 15’ 24”
12.42°
-16.2°
Sagittarius
Image of ψ Sagittarii (psi Sagittarii) star
DSS2 image of ψ Sagittarii. The red arrow shows the motion of ψ Sagittarii during the next 10000 years (7.50 arcmin in Right Ascension and -4.17 arcmin in declination);

Key facts about ψ Sagittarii

4.85
Giant

and has a luminosity class of III corresponding to a giant star.

-0.17
G8III
6129K

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

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

ψ Sagittarii star system properties

ψ Sagittarii 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 ψ Sagittarii double sysyem:

4.85
5.15
0.3
0.1 arcsec

Distance of ψ Sagittarii from the Sun and relative movement

ψ Sagittarii is distant 329.63 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

101.11 pc
329.63 ly
-33 km/s
0.045 arcsec/year
-0.025 arcsec/year

Alternative designations of ψ Sagittarii

ψ Sagittarii
(psi Sagittarii)
42 Sagittarii
SAO187882
SAO187882

Visibility of ψ Sagittarii from your location

Today's ψ Sagittarii (psi Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 115.3°
Max altitude: 13.3°
Azimuth: 244.7°