15 Vulpeculae

Above the horizon. Rise: 10:39 | Tran: 19:23 | Set: 4:10

Alt: 56.59° Az: 122.93° Direction: East-South-East

15 Vulpeculae is a variable giant star of spectral class A4 in the constellation of Vulpecula.

15 Vulpeculae visual magnitude is 4.64. Because of its moderate brightness, 15 Vulpeculae 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 15 Vulpeculae. The red arrow shows the motion of 15 Vulpeculae during the next 10000 years (9.83 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 02m 07s

Declination +27° 49’ 24”

Hour Angle 21h 53m 59s

Sidereal Time 17h 56m 06s

J2000

Right Ascension 20h 01m 06s

Declination +27° 45’ 12”

Galactic Coordinates

Galactic Longitude 65.3°

Galactic Latitude -1.34°

Finder Chart

Simplified finder chart for 15 Vulpeculae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.64

Class Giant

Absolute magnitude 0.47

Spectral Type A4III

Color Index (B-V) 0.18

Temperature 8321K

The red dot in the diagram below shows where 15 Vulpeculae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

15 Vulpeculae is distant 222.22 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

Distance (parsec) 68.17

Distance (light year) 222.22

Radial Speed -21 km/s

Proper Motion RA 0.059 arcsec/y

Proper Motion Dec 0.005"/y

Alternative Designations

Flamsteed designation 15 Vulpeculae

Henry Draper Catalogue HD189849

SAO Catalogue SAO88071

Hipparcos Catalogue HIP98543

Durchmusterung Catalogue BD+27 3587

FK5 Catalogue 1523

General Catalogue of Variable Stars NT Vul

Visibility from Your Location

Today's 15 Vulpeculae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.2° RISE 10:39

Max altitude: 66.3° TRANSIT 19:23

Azimuth: 297.8° SET 4:10

Set Location

Other stars in Vulpecula