20 Vulpeculae

Below the horizon. Rise: 21:15 | Tran: 5:52 | Set: 14:24

Alt: -7.35° Az: 27.64° Direction: North-North-East

20 Vulpeculae is a variable main-sequence star of spectral class B7 in the constellation of Vulpecula.

20 Vulpeculae visual magnitude is 5.92. Because of its faintness, 20 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 20 Vulpeculae. The red arrow shows the motion of 20 Vulpeculae during the next 10000 years (1.33 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 13m 04s

Declination +26° 33’ 21”

Hour Angle 14h 03m 50s

Sidereal Time 10h 16m 54s

J2000

Right Ascension 20h 12m 00s

Declination +26° 28’ 44”

Galactic Coordinates

Galactic Longitude 65.53°

Galactic Latitude -4.07°

Finder Chart

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Finder chart for 20 Vulpeculae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.92

Class Main-sequence

Absolute magnitude -1.80

Spectral Type B7V

Color Index (B-V) -0.11

Temperature 11744K

The red dot in the diagram below shows where 20 Vulpeculae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 20 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

20 Vulpeculae is distant 1,139.86 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 349.65

Distance (light year) 1,139.86

Radial Speed -22 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec -0.011"/y

Alternative Designations

Flamsteed designation 20 Vulpeculae

Henry Draper Catalogue HD192044

SAO Catalogue SAO88339

Hipparcos Catalogue HIP99531

Durchmusterung Catalogue BD+26 3828

General Catalogue of Variable Stars 12890

Visibility from Your Location

Today's 20 Vulpeculae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.4° RISE 21:15

Max altitude: 65.1° TRANSIT 5:52

Azimuth: 296.6° SET 14:24

Set Location

Other stars in Vulpecula