17 Persei

Above the horizon. Rise: 22:33 | Tran: 8:43 | Set: 18:48

Alt: 63.58° Az: 243.23° Direction: West-South-West

17 Persei is a variable giant star of spectral class K5 in the constellation of Perseus.

17 Persei visual magnitude is 4.53. Because of its moderate brightness, 17 Persei 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 17 Persei. The red arrow shows the motion of 17 Persei during the next 10000 years (1.50 arcmin in Right Ascension and -10.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 53m 05s

Declination +35° 09’ 48”

Hour Angle 01h 56m 16s

Sidereal Time 04h 49m 22s

J2000

Right Ascension 02h 51m 30s

Declination +35° 03’ 34”

Galactic Coordinates

Galactic Longitude 149.07°

Galactic Latitude -21.64°

Finder Chart

Loading map...

Finder chart for 17 Persei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.53

Class Giant

Absolute magnitude -0.96

Spectral Type K5III

Color Index (B-V) 1.56

Temperature 3705K

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

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

Distance, Radial Speed, Proper Motion

17 Persei is distant 409.03 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 125.47

Distance (light year) 409.03

Radial Speed 14 km/s

Proper Motion RA 0.009 arcsec/y

Proper Motion Dec -0.061"/y

Alternative Designations

Flamsteed designation 17 Persei

Henry Draper Catalogue HD17709

SAO Catalogue SAO55946

Hipparcos Catalogue HIP13328

Durchmusterung Catalogue BD+34 527

FK5 Catalogue 2198

General Catalogue of Variable Stars 963

Visibility from Your Location

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

Azimuth: 54.8° RISE 22:33

Max altitude: 73.7° TRANSIT 8:43

Azimuth: 305.2° SET 18:48

Set Location

Other stars in Perseus