12 Vulpeculae

Below the horizon. Rise: 20:36 | Tran: 4:44 | Set: 12:48

Alt: -15.51° Az: 7.62° Direction: North

12 Vulpeculae is a variable main-sequence star of spectral class B2 in the constellation of Vulpecula.

12 Vulpeculae visual magnitude is 4.95. Because of its moderate brightness, 12 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 12 Vulpeculae. The red arrow shows the motion of 12 Vulpeculae during the next 10000 years (4.67 arcmin in Right Ascension and -2.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 52m 09s

Declination +22° 40’ 34”

Hour Angle 12h 31m 50s

Sidereal Time 08h 24m 00s

J2000

Right Ascension 19h 51m 04s

Declination +22° 36’ 35”

Galactic Coordinates

Galactic Longitude 59.72°

Galactic Latitude -2.07°

Finder Chart

Loading map...

Finder chart for 12 Vulpeculae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.95

Class Main-sequence

Absolute magnitude -1.44

Spectral Type B2V

Color Index (B-V) -0.14

Temperature 12293K

The red dot in the diagram below shows where 12 Vulpeculae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 12 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

12 Vulpeculae is distant 618.60 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

Distance (parsec) 189.75

Distance (light year) 618.60

Radial Speed -31 km/s

Proper Motion RA 0.028 arcsec/y

Proper Motion Dec -0.017"/y

Alternative Designations

Flamsteed designation 12 Vulpeculae

Henry Draper Catalogue HD187811

SAO Catalogue SAO87813

Hipparcos Catalogue HIP97679

Durchmusterung Catalogue BD+22 3833

FK5 Catalogue 3585

General Catalogue of Variable Stars Var

Visibility from Your Location

Today's 12 Vulpeculae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 67.3° RISE 20:36

Max altitude: 61.2° TRANSIT 4:44

Azimuth: 292.7° SET 12:48

Set Location

Other stars in Vulpecula