18 Vulpeculae

Above the horizon. Rise: 13:17 | Tran: 21:54 | Set: 6:34

Alt: 59.70° Az: 225.07° Direction: South-West

18 Vulpeculae is a giant star of spectral class A3 in the constellation of Vulpecula.

18 Vulpeculae visual magnitude is 5.52. Because of its faintness, 18 Vulpeculae 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 18 Vulpeculae. The red arrow shows the motion of 18 Vulpeculae during the next 10000 years (3.33 arcmin in Right Ascension and 2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 11m 35s

Declination +26° 58’ 42”

Hour Angle 01h 34m 30s

Sideral Time 21h 46m 05s

J2000

Right Ascension 20h 10m 33s

Declination +26° 54’ 15”

Galactic Coordinates

Galactic Longitude 65.71°

Galactic Latitude -3.57°

Finder Chart

Simplified finder chart for 18 Vulpeculae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.52

Class Giant

Absolute magnitude -0.03

Spectral Type A3III

Color Index (B-V) 0.08

Temperature 9226K

The red dot in the diagram below shows where 18 Vulpeculae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 18 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

18 Vulpeculae is distant 419.56 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 128.70

Distance (light year) 419.56

Radial Speed -12 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec 0.013"/y

Alternative Designations

Flamsteed designation 18 Vulpeculae

Henry Draper Catalogue HD191747

SAO Catalogue SAO88295

Hipparcos Catalogue HIP99404

Durchmusterung Catalogue BD+26 3815

Visibility from Your Location

Today's 18 Vulpeculae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.0° RISE 13:17

Max altitude: 65.5° TRANSIT 21:54

Azimuth: 297.0° SET 6:34

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Vulpecula