17 Lyrae

Above the horizon. Rise: 19:02 | Tran: 1:30 | Set: 8:03

Alt: 51.27° Az: 51.91° Direction: South-South-West

17 Lyrae is a multiple hypergiant star of spectral class F0 in the constellation of Lyra.

17 Lyrae visual magnitude is 5.23. Because of its faintness, 17 Lyrae 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 17 Lyrae. The red arrow shows the motion of 17 Lyrae during the next 1000 years (2.17 arcmin in Right Ascension and 0.38 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 08m 23s

Declination +32° 32’ 35”

Hour Angle 21h 37m 02s

Sidereal Time 16h 45m 26s

J2000

Right Ascension 19h 07m 25s

Declination +32° 30’ 06”

Galactic Coordinates

Galactic Longitude 63.91°

Galactic Latitude 11.11°

Finder Chart

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Finder chart for 17 Lyrae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.23

Class Hypergiant

Absolute magnitude 2.19

Spectral Type F0V

Color Index (B-V) 0.34

Temperature 7217K

The red dot in the diagram below shows where 17 Lyrae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 17 Lyrae. Attribution: Richard Powell / CC BY-SA

Star System Properties

17 Lyrae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 17 Lyrae double sysyem:

Main star magnitude 5.23

Secondary star magnitude 9.53

Magnitude difference 4.3

Separation 3.5 arcsec

Distance, Radial Speed, Proper Motion

17 Lyrae is distant 132.31 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 40.58

Distance (light year) 132.31

Radial Speed 4 km/s

Proper Motion RA 0.13 arcsec/y

Proper Motion Dec 0.023"/y

Alternative Designations

Flamsteed designation 17 Lyrae

Henry Draper Catalogue HD178449

SAO Catalogue SAO67835

Hipparcos Catalogue HIP93917

Durchmusterung Catalogue BD+32 3326

Aitken Double Star Catalogue ADS12061

Visibility from Your Location

Today's 17 Lyrae rise, transit and set times from Debre Tabor, Ethiopia are the following (all times relative to the local timezone Africa/Addis_Ababa):

Azimuth: 57.5° RISE 19:02

Max altitude: 69.3° TRANSIT 1:30

Azimuth: 302.5° SET 8:03

Name:	Debre Tabor, Ethiopia
Latitude:	11° 50' 60.0" N
Longitude:	38° 1' 0.1" E
Timezone:	Africa/Addis_Ababa

Set Location

Other stars in Lyra