HR7940

Above the horizon. Rise: 18:06 | Tran: 2:09 | Set: 10:07

Alt: 41.52° Az: 333.25° Direction: North-North-West

HR7940 is a giant star of spectral class B2 in the constellation of Cepheus.

HR7940 visual magnitude is 6.32. Because of its faintness, HR7940 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 HR7940. The red arrow shows the motion of HR7940 during the next 10000 years (-2.17 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 43m 52s

Declination +57° 12’ 25”

Hour Angle 02h 33m 53s

Sidereal Time 23h 17m 45s

J2000

Right Ascension 20h 43m 13s

Declination +57° 06’ 51”

Galactic Coordinates

Galactic Longitude 93.88°

Galactic Latitude 9°

Finder Chart

Loading map...

Finder chart for HR7940.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.32

Class Giant

Absolute magnitude -5.10

Spectral Type B2III

Color Index (B-V) 0.33

Temperature 7276K

The red dot in the diagram below shows where HR7940 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7940. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7940 is distant 6,269.23 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 1,923.08

Distance (light year) 6,269.23

Radial Speed -15 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD197770

SAO Catalogue SAO32832

Hipparcos Catalogue HIP102258

Durchmusterung Catalogue BD+56 2477

Visibility from Your Location

Today's HR7940 rise, transit and set times from Spanish Town, Jamaica are the following (all times relative to the local timezone America/Jamaica):

Azimuth: 32.8° RISE 18:06

Max altitude: 50.8° TRANSIT 2:09

Azimuth: 327.2° SET 10:07

Name:	Spanish Town, Jamaica
Latitude:	17° 59' 28.0" N
Longitude:	76° 57' 26.6" W
Timezone:	America/Jamaica

Set Location

Other stars in Cepheus