18 Sagittae

Below the horizon. Rise: 19:14 | Tran: 3:15 | Set: 11:12

Alt: -16.76° Az: 3.92° Direction: South-West

18 Sagittae is a giant star of spectral class K1 in the constellation of Sagitta.

18 Sagittae visual magnitude is 6.13. Because of its faintness, 18 Sagittae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 18 Sagittae. The red arrow shows the motion of 18 Sagittae during the next 10000 years (0.17 arcmin in Right Ascension and -4.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 17m 26s

Declination +21° 40’ 42”

Hour Angle 12h 16m 10s

Sidereal Time 08h 33m 37s

J2000

Right Ascension 20h 16m 19s

Declination +21° 35’ 54”

Galactic Coordinates

Galactic Longitude 61.96°

Galactic Latitude -7.57°

Finder Chart

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Finder chart for 18 Sagittae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.13

Class Giant

Absolute magnitude 1.33

Spectral Type K1III

Color Index (B-V) 1.04

Temperature 4649K

The red dot in the diagram below shows where 18 Sagittae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 18 Sagittae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

18 Sagittae is distant 297.72 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 91.32

Distance (light year) 297.72

Radial Speed -4 km/s

Proper Motion RA 0.001 arcsec/y

Proper Motion Dec -0.024"/y

Alternative Designations

Flamsteed designation 18 Sagittae

Henry Draper Catalogue HD192836

SAO Catalogue SAO88433

Hipparcos Catalogue HIP99913

Durchmusterung Catalogue BD+21 4130

Visibility from Your Location

Today's 18 Sagittae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.3° RISE 19:14

Max altitude: 60.2° TRANSIT 3:15

Azimuth: 291.7° SET 11:12

Set Location

Other stars in Sagitta