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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
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All Constellations » Sagittarius » 

ξ1 Sagittarii (xi1 Sagittarii)

Below the horizon.  Rise: 0:00 | Tran: 4:10 | Set: 8:16
Alt: -43.36°   Az: 294.11°   Direction: West-North-West

ξ1 Sagittarii is a hypergiant star of spectral class A0 in the constellation of Sagittarius.

ξ1 Sagittarii visual magnitude is 5.08. Because of its faintness, ξ1 Sagittarii is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of ξ1 Sagittarii (xi1 Sagittarii) star
DSS2 image of ξ1 Sagittarii. The red arrow shows the motion of ξ1 Sagittarii during the next 100000 years (-1.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

18h 58m 50s
-20° 37’ 15”
08h 59m 21s
03h 58m 12s

J2000

18h 57m 20s
-20° 39’ 23”

Galactic Coordinates

14.99°
-10.5°

Finder Chart

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Finder chart for ξ1 Sagittarii (xi1 Sagittarii).

Magnitude, Color, Spectral Class

5.08
Hypergiant

-5.86
A0II
8748K

The red dot in the diagram below shows where ξ1 Sagittarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ξ1 Sagittarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ξ1 Sagittarii is distant 5,015.38 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

1,538.46
5,015.38
2 km/s
-0.001 arcsec/y
-0.007"/y

Alternative Designations

ξ1 Sagittarii
(xi1 Sagittarii)
36 Sagittarii
SAO187498
SAO187498

Visibility from Your Location

Today's ξ1 Sagittarii (xi1 Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.6°
Max altitude: 17.9°
Azimuth: 249.4°