η Sagittae (eta Sagittae)

Above the horizon. Rise: 12:07 | Tran: 19:54 | Set: 3:45

Alt: 40.33° Az: 110.12° Direction: East-South-East

η Sagittae is a giant star of spectral class K2 in the constellation of Sagitta.

η Sagittae visual magnitude is 5.1. Because of its faintness, η 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 η Sagittae. The red arrow shows the motion of η Sagittae during the next 10000 years (5.00 arcmin in Right Ascension and 13.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 06m 15s

Declination +20° 03’ 46”

Hour Angle 20h 41m 26s

Sideral Time 16h 47m 41s

J2000

Right Ascension 20h 05m 09s

Declination +19° 59’ 27”

Galactic Coordinates

Galactic Longitude 59.18°

Galactic Latitude -6.23°

Finder Chart

Simplified finder chart for η Sagittae (eta Sagittae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.1

Class Giant

Absolute magnitude 1.62

Spectral Type K2III

Color Index (B-V) 1.06

Temperature 4603K

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

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

Distance, Radial Speed, Proper Motion

η Sagittae is distant 161.63 light years from the Sun and it is moving towards the Sun at the speed of 40 kilometers per second.

Distance (parsec) 49.58

Distance (light year) 161.63

Radial Speed -40 km/s

Proper Motion RA 0.03 arcsec/y

Proper Motion Dec 0.078"/y

Alternative Designations

Bayer designation η Sagittae
(eta Sagittae)

Flamsteed designation 16 Sagittae

Henry Draper Catalogue HD190608

SAO Catalogue SAO105659

Hipparcos Catalogue HIP98920

Durchmusterung Catalogue BD+19 4277

FK5 Catalogue 3609

Visibility from Your Location

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

Azimuth: 69.9° RISE 12:07

Max altitude: 58.6° TRANSIT 19:54

Azimuth: 290.1° SET 3:45

Set Location

Other stars in Sagitta