17 Capricorni

Above the horizon. Rise: 0:00 | Tran: 4:05 | Set: 8:05

Alt: 0.03° Az: 125.95° Direction: South-East

17 Capricorni is a hypergiant star of spectral class A0 in the constellation of Capricornus.

17 Capricorni visual magnitude is 5.93. Because of its faintness, 17 Capricorni 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 Capricorni. The red arrow shows the motion of 17 Capricorni during the next 10000 years (4.00 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 47m 38s

Declination -21° 25’ 11”

Hour Angle 19h 58m 21s

Sidereal Time 16h 45m 59s

J2000

Right Ascension 20h 46m 09s

Declination -21° 30’ 51”

Galactic Coordinates

Galactic Longitude 24.38°

Galactic Latitude -34.37°

Finder Chart

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Finder chart for 17 Capricorni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.93

Class Hypergiant

Absolute magnitude 1.34

Spectral Type A0

Color Index (B-V) 0.04

Temperature 9652K

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

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

Distance, Radial Speed, Proper Motion

17 Capricorni is distant 269.64 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 82.71

Distance (light year) 269.64

Radial Speed 18 km/s

Proper Motion RA 0.024 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Flamsteed designation 17 Capricorni

Henry Draper Catalogue HD197725

SAO Catalogue SAO189667

Hipparcos Catalogue HIP102487

Durchmusterung Catalogue BD-22 5523

FK5 Catalogue 3659

Visibility from Your Location

Today's 17 Capricorni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 111.4° RISE 0:00

Max altitude: 17.1° TRANSIT 4:05

Azimuth: 248.6° SET 8:05

Set Location

Other stars in Capricornus