ε Scuti (epsilon Scuti)

Below the horizon. Rise: 21:53 | Tran: 3:13 | Set: 8:29

Alt: -14.34° Az: 85.22° Direction: East

ε Scuti is a multiple bright giant star of spectral class G8 in the constellation of Scutum.

ε Scuti visual magnitude is 4.9. Because of its moderate brightness, ε Scuti is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of ε Scuti. The red arrow shows the motion of ε Scuti during the next 10000 years (3.67 arcmin in Right Ascension and 1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 44m 54s

Declination -08° 14’ 53”

Hour Angle 17h 09m 13s

Sidereal Time 11h 54m 08s

J2000

Right Ascension 18h 43m 31s

Declination -08° 16’ 31”

Galactic Coordinates

Galactic Longitude 24.67°

Galactic Latitude -2.02°

Finder Chart

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Finder chart for ε Scuti (epsilon Scuti).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.9

Class Bright giant

Absolute magnitude -1.12

Spectral Type G8II

Color Index (B-V) 1.12

Temperature 4472K

The red dot in the diagram below shows where ε Scuti is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

ε Scuti is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ε Scuti double sysyem:

Main star magnitude 4.9

Secondary star magnitude 13.5

Magnitude difference 8.6

Separation 37.6 arcsec

Distance, Radial Speed, Proper Motion

ε Scuti is distant 522.44 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 160.26

Distance (light year) 522.44

Radial Speed -11 km/s

Proper Motion RA 0.022 arcsec/y

Proper Motion Dec 0.008"/y

Alternative Designations

Bayer designation ε Scuti
(epsilon Scuti)

Henry Draper Catalogue HD173009

SAO Catalogue SAO142546

Hipparcos Catalogue HIP91845

Durchmusterung Catalogue BD-08 4686

FK5 Catalogue 702

Aitken Double Star Catalogue ADS11601

Visibility from Your Location

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

Azimuth: 98.2° RISE 21:53

Max altitude: 30.3° TRANSIT 3:13

Azimuth: 261.8° SET 8:29

Set Location

Other stars in Scutum