9 Sagittae

Above the horizon. Rise: 3:03 | Tran: 10:42 | Set: 18:20

Alt: 51.64° Az: 139.11° Direction: South-East

9 Sagittae is a variable supergiant star of spectral class O7 in the constellation of Sagitta.

9 Sagittae visual magnitude is 6.23. Because of its faintness, 9 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 9 Sagittae. The red arrow shows the motion of 9 Sagittae during the next 100000 years (-3.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 53m 28s

Declination +18° 44’ 16”

Hour Angle 22h 18m 23s

Sidereal Time 18h 11m 52s

J2000

Right Ascension 19h 52m 21s

Declination +18° 40’ 18”

Galactic Coordinates

Galactic Longitude 56.48°

Galactic Latitude -4.33°

Finder Chart

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Finder chart for 9 Sagittae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.23

Class Supergiant

Absolute magnitude -6.96

Spectral Type O7I

Color Index (B-V) 0.01

Temperature 10002K

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

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

Distance, Radial Speed, Proper Motion

9 Sagittae is distant 14,173.91 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 4,347.83

Distance (light year) 14,173.91

Radial Speed 9 km/s

Proper Motion RA -0.002 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Flamsteed designation 9 Sagittae

Henry Draper Catalogue HD188001

SAO Catalogue SAO105360

Hipparcos Catalogue HIP97796

Durchmusterung Catalogue BD+18 4276

General Catalogue of Variable Stars 12503

Visibility from Your Location

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

Azimuth: 71.3° RISE 3:03

Max altitude: 57.3° TRANSIT 10:42

Azimuth: 288.7° SET 18:20

Set Location

Other stars in Sagitta