HR8190

Below the horizon. Rise: 22:12 | Tran: 6:32 | Set: 14:48

Alt: -13.97° Az: 354.58° Direction: North

HR8190 is a double sub-giant star of spectral class F1 in the constellation of Vulpecula.

HR8190 visual magnitude is 5.71. Because of its faintness, HR8190 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 HR8190. The red arrow shows the motion of HR8190 during the next 1000 years (2.27 arcmin in Right Ascension and 0.37 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 25m 07s

Declination +24° 23’ 03”

Hour Angle 11h 36m 54s

Sidereal Time 09h 02m 01s

J2000

Right Ascension 21h 23m 58s

Declination +24° 16’ 27”

Galactic Coordinates

Galactic Longitude 73.9°

Galactic Latitude -18.27°

Finder Chart

Loading map...

Finder chart for HR8190.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Sub-giant

Absolute magnitude 1.99

Spectral Type F1IV

Color Index (B-V) 0.32

Temperature 7337K

The red dot in the diagram below shows where HR8190 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8190. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8190 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8190 double sysyem:

Main star magnitude 5.71

Secondary star magnitude 10.51

Magnitude difference 4.8

Separation 53.9 arcsec

Distance, Radial Speed, Proper Motion

HR8190 is distant 180.61 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 55.40

Distance (light year) 180.61

Radial Speed -18 km/s

Proper Motion RA 0.136 arcsec/y

Proper Motion Dec 0.022"/y

Alternative Designations

Henry Draper Catalogue HD203803

SAO Catalogue SAO89678

Hipparcos Catalogue HIP105652

Durchmusterung Catalogue BD+23 4300

Visibility from Your Location

Today's HR8190 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.6° RISE 22:12

Max altitude: 62.9° TRANSIT 6:32

Azimuth: 294.4° SET 14:48

Set Location

Other stars in Vulpecula