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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:13 
Sunset: 17:18
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Sagittarius » 

ψ Sagittarii (psi Sagittarii)

Above the horizon.  Rise: 5:52 | Tran: 9:26 | Set: 13:00
Alt: 7.41°   Az: 148.56°   Direction: South-South-East

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.

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);

Celestial Coordinates

Apparent

19h 17m 04s
-25° 12’ 39”
21h 40m 31s
16h 57m 36s

J2000

19h 15m 32s
-25° 15’ 24”

Galactic Coordinates

12.42°
-16.2°

Finder Chart

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Finder chart for ψ Sagittarii (psi Sagittarii).

Magnitude, Color, Spectral Class

4.85
Giant

-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

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, Radial Speed, Proper Motion

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
329.63
-33 km/s
0.045 arcsec/y
-0.025"/y

Alternative Designations

ψ Sagittarii
(psi Sagittarii)
42 Sagittarii
SAO187882
SAO187882

Visibility 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: 115.2°
Max altitude: 13.3°
Azimuth: 244.8°