54 Sagittarii

Altitude: 21.4° Azimuth: 167.3° Direction: South-South-East

54 Sagittarii is a variable and multiple giant star in the constellation of Sagittarius.

54 Sagittarii visual magnitude is 6.2. Because of its reltive faintness, 54 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 54 Sagittarii:

Color of 54 Sagittarii ⬤

Magnitude of 54 Sagittarii 6.2

Class Giant

VISIBILITY RIGHT NOW

54 Sagittarii is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.4°
Azimuth: 167.3°
Direction: South-South-East

Celestial coordinates and finder chart of 54 Sagittarii

54 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 54 Sagittarii are provided in the following table:

Right Ascension J2000 19h 40m 43s

Declination J2000 -16° 17’ 35”

Galactic Longitude 23.47°

Galactic Latitude -18.07°

Constellation Sagittarius

The simplified sky map below shows the position of 54 Sagittarii in the sky:

Simplified finder chart for 54 Sagittarii.

Visibility of 54 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 54 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: 106.3° RISE 10:07

Max altitude: 22.2° TRANSIT 14:40

Azimuth: 253.7° SET 19:12

Digitized Sky Survey image of 54 Sagittarii

The image below is a photograph of 54 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 54 Sagittarii is 0.071 arcsec per year in Right Ascension and -0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 54 Sagittarii. The red arrow shows the motion of 54 Sagittarii during the next 10000 years (11.83 arcmin in Right Ascension and -8.00 arcmin in declination);

Distance of 54 Sagittarii from the Sun and relative movement

54 Sagittarii is distant 244.93 light years from the Sun and it is moving towards the Sun at the speed of 58 kilometers per second.

Distance (parsec) 75.13 pc

Distance (light year) 244.93 ly

Heliocentric radial velocity -58 km/s

Proper Motion RA 0.071 arcsec/year

Proper Motion Dec -0.048 arcsec/year

Spectral properties of 54 Sagittarii

54 Sagittarii belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.82

Spectral Type K2III

Color Index (B-V) 1.13

Temperature of 54 Sagittarii 4451K

The red dot in the diagram below shows where 54 Sagittarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 54 Sagittarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 54 Sagittarii

Flamsteed designation 54 Sagittarii

Henry Draper Catalogue HD185644

SAO Catalogue SAO162883

Hipparcos Catalogue HIP96808

Durchmusterung Catalogue BD-16 5399

FK5 Catalogue 1512

General Catalogue of Variable Stars 12275

Aitken Double Star Catalogue ADS12767

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In Evidence

Other stars in Sagittarius