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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Sagittarius » 

50 Sagittarii

Altitude: -8.4°   Azimuth: 245.4°   Direction: West-South-West

50 Sagittarii is a giant star in the constellation of Sagittarius.

50 Sagittarii visual magnitude is 5.59. Because of its reltive faintness, 50 Sagittarii should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 50 Sagittarii is 0.04 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 50 Sagittarii star
DSS2 image of 50 Sagittarii. The red arrow shows the motion of 50 Sagittarii during the next 10000 years (6.67 arcmin in Right Ascension and -0.83 arcmin in declination);

Key facts about 50 Sagittarii

5.59
Giant

50 Sagittarii is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.4°
Azimuth: 245.4°
Direction: West-South-West

Celestial coordinates and finder chart of 50 Sagittarii

50 Sagittarii 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 50 Sagittarii are provided in the following table:

19h 26m 19s
-21° 46’ 36”
16.77°
-17.13°
Sagittarius

The simplified sky map below shows the position of 50 Sagittarii in the sky:

Finder chart 50 Sagittarii star
Simplified finder chart for 50 Sagittarii.

Visibility of 50 Sagittarii 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 50 Sagittarii 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: 111.8°
Max altitude: 16.7°
Azimuth: 248.2°

Distance of 50 Sagittarii from the Sun and relative movement

50 Sagittarii is distant 556.31 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

170.65 pc
556.31 ly
-20 km/s
0.04 arcsec/year
-0.005 arcsec/year

Spectral properties of 50 Sagittarii

50 Sagittarii belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

-0.57
K3III
4270K

The red dot in the diagram below shows where 50 Sagittarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 50 Sagittarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 50 Sagittarii

50 Sagittarii
SAO188121
SAO188121