Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

57 Sagittarii

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

57 Sagittarii visual magnitude is 5.92. Because of its reltive faintness, 57 Sagittarii 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 57 Sagittarii:

5.92
Giant
57 Sagittarii is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 57 Sagittarii

57 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 57 Sagittarii are provided in the following table:

19h 52m 12s
-19° 02’ 42”
21.92°
-21.67°
Sagittarius

The simplified sky map below shows the position of 57 Sagittarii in the sky:

Finder chart 57 Sagittarii star
Simplified finder chart for 57 Sagittarii.

Visibility of 57 Sagittarii from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 57 Sagittarii rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.0°
Max altitude: 19.5°
Azimuth: 251.0°
57 Sagittarii is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 57 Sagittarii

The image below is a photograph of 57 Sagittarii 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 57 Sagittarii is 0.002 arcsec per year in Right Ascension and -0.058 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 57 Sagittarii star
DSS2 image of 57 Sagittarii. The red arrow shows the motion of 57 Sagittarii during the next 10000 years (0.33 arcmin in Right Ascension and -9.67 arcmin in declination);

Distance of 57 Sagittarii from the Sun and relative movement

57 Sagittarii is distant 311.66 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

95.60 pc
311.66 ly
-26 km/s
0.002 arcsec/year
-0.058 arcsec/year

Spectral properties of 57 Sagittarii

57 Sagittarii belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.

1.02
G5III
4791K

The red dot in the diagram below shows where 57 Sagittarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 57 Sagittarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 57 Sagittarii

57 Sagittarii
SAO163060
SAO163060