57 Sagittarii

Altitude: -40.8° Azimuth: 66.9° Direction: East-North-East

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:

Color of 57 Sagittarii ⬤

Magnitude of 57 Sagittarii 5.92

Class Giant

VISIBILITY RIGHT NOW

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

Altitude: -40.8°
Azimuth: 66.9°
Direction: East-North-East

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:

Right Ascension J2000 19h 52m 12s

Declination J2000 -19° 02’ 42”

Galactic Longitude 21.92°

Galactic Latitude -21.67°

Constellation Sagittarius

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

Simplified finder chart for 57 Sagittarii.

Visibility of 57 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 57 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: 109.0° RISE 16:26

Max altitude: 19.5° TRANSIT 20:42

Azimuth: 251.0° SET 1:02

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.

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.

Distance (parsec) 95.60 pc

Distance (light year) 311.66 ly

Heliocentric radial velocity -26 km/s

Proper Motion RA 0.002 arcsec/year

Proper Motion Dec -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.

Absolute magnitude 1.02

Spectral Type G5III

Color Index (B-V) 0.98

Temperature of 57 Sagittarii 4791K

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

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

Alternative designations of 57 Sagittarii

Flamsteed designation 57 Sagittarii

Henry Draper Catalogue HD187739

SAO Catalogue SAO163060

Hipparcos Catalogue HIP97783

Durchmusterung Catalogue BD-19 5631

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In Evidence

Other stars in Sagittarius