24 Sagittarii

Altitude: -18.5° Azimuth: 105.6° Direction: East-South-East

24 Sagittarii is a supergiant star in the constellation of Sagittarius.

24 Sagittarii visual magnitude is 5.49. Because of its reltive faintness, 24 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 24 Sagittarii:

Color of 24 Sagittarii ⬤

Magnitude of 24 Sagittarii 5.49

Class Supergiant

VISIBILITY RIGHT NOW

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

Altitude: -18.5°
Azimuth: 105.6°
Direction: East-South-East

Celestial coordinates and finder chart of 24 Sagittarii

24 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 24 Sagittarii are provided in the following table:

Right Ascension J2000 18h 33m 53s

Declination J2000 -24° 01’ 56”

Galactic Longitude 9.52°

Galactic Latitude -7.1°

Constellation Sagittarius

The simplified sky map below shows the position of 24 Sagittarii in the sky:

Simplified finder chart for 24 Sagittarii.

Visibility of 24 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 24 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: 114.0° RISE 9:35

Max altitude: 14.5° TRANSIT 13:17

Azimuth: 246.0° SET 17:00

Digitized Sky Survey image of 24 Sagittarii

The image below is a photograph of 24 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 24 Sagittarii is 0.002 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 24 Sagittarii. The red arrow shows the motion of 24 Sagittarii during the next 10000 years (0.33 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of 24 Sagittarii from the Sun and relative movement

24 Sagittarii is distant 3,431.58 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 1,052.63 pc

Distance (light year) 3,431.58 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA 0.002 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of 24 Sagittarii

24 Sagittarii belongs to spectral class K4 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -4.62

Spectral Type K4I

Color Index (B-V) 1.79

Temperature of 24 Sagittarii 3404K

The red dot in the diagram below shows where 24 Sagittarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 24 Sagittarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 24 Sagittarii

Flamsteed designation 24 Sagittarii

Henry Draper Catalogue HD171115

SAO Catalogue SAO186981

Hipparcos Catalogue HIP91004

Durchmusterung Catalogue CD-2414472

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In Evidence

Other stars in Sagittarius