9 Sagittarii

Below the horizon. Rise: 21:19 | Tran: 1:03 | Set: 4:43

Alt: -23.56° Az: 100.06° Direction: South

9 Sagittarii is a main-sequence star of spectral class O4 in the constellation of Sagittarius.

9 Sagittarii visual magnitude is 5.97. Because of its faintness, 9 Sagittarii 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 9 Sagittarii. The red arrow shows the motion of 9 Sagittarii during the next 100000 years (3.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 05m 26s

Declination -24° 21’ 27”

Hour Angle 17h 28m 47s

Sidereal Time 11h 34m 13s

J2000

Right Ascension 18h 03m 52s

Declination -24° 21’ 38”

Galactic Coordinates

Galactic Longitude 6.01°

Galactic Latitude -1.2°

Finder Chart

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Finder chart for 9 Sagittarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.97

Class Main-sequence

Absolute magnitude -4.93

Spectral Type O4V

Color Index (B-V) 0

Temperature 10125K

The red dot in the diagram below shows where 9 Sagittarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 9 Sagittarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

9 Sagittarii is distant 4,939.39 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 1,515.15

Distance (light year) 4,939.39

Radial Speed 9 km/s

Proper Motion RA 0.002 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Flamsteed designation 9 Sagittarii

Henry Draper Catalogue HD164794

SAO Catalogue SAO186204

Hipparcos Catalogue HIP88469

Durchmusterung Catalogue CD-2413814

Visibility from Your Location

Today's 9 Sagittarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 114.4° RISE 21:19

Max altitude: 14.2° TRANSIT 1:03

Azimuth: 245.6° SET 4:43

Set Location

Other stars in Sagittarius