17 Pegasi

Below the horizon. Rise: 21:47 | Tran: 4:51 | Set: 11:52

Alt: -24.53° Az: 341.14° Direction: South-West

17 Pegasi is a main-sequence star of spectral class A2 in the constellation of Pegasus.

17 Pegasi visual magnitude is 5.54. Because of its faintness, 17 Pegasi 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 Pegasi. The red arrow shows the motion of 17 Pegasi during the next 10000 years (-4.00 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 58m 11s

Declination +12° 11’ 54”

Hour Angle 10h 49m 57s

Sidereal Time 08h 48m 08s

J2000

Right Ascension 21h 56m 56s

Declination +12° 04’ 35”

Galactic Coordinates

Galactic Longitude 69.96°

Galactic Latitude -32.32°

Finder Chart

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Finder chart for 17 Pegasi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.54

Class Main-sequence

Absolute magnitude -0.11

Spectral Type A2V

Color Index (B-V) 0.05

Temperature 9542K

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

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

Distance, Radial Speed, Proper Motion

17 Pegasi is distant 439.95 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 134.95

Distance (light year) 439.95

Radial Speed 15 km/s

Proper Motion RA -0.024 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Flamsteed designation 17 Pegasi

Henry Draper Catalogue HD208565

SAO Catalogue SAO107528

Hipparcos Catalogue HIP108339

Durchmusterung Catalogue BD+11 4696

FK5 Catalogue 3751

Visibility from Your Location

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

Azimuth: 77.8° RISE 21:47

Max altitude: 50.7° TRANSIT 4:51

Azimuth: 282.2° SET 11:52

Set Location

Other stars in Pegasus