HR7988

Above the horizon. Rise: 21:00 | Tran: 5:52 | Set: 14:40

Alt: 38.56° Az: 91.52° Direction: East

HR7988 is a variable supergiant star of spectral class F5 in the constellation of Vulpecula.

HR7988 visual magnitude is 5.77. Because of its faintness, HR7988 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 HR7988. The red arrow shows the motion of HR7988 during the next 100000 years (5.00 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 52m 32s

Declination +28° 20’ 49”

Hour Angle 19h 49m 25s

Sidereal Time 16h 41m 58s

J2000

Right Ascension 20h 51m 28s

Declination +28° 15’ 02”

Galactic Coordinates

Galactic Longitude 72.13°

Galactic Latitude -10.15°

Finder Chart

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Finder chart for HR7988.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.77

Class Supergiant

Absolute magnitude -2.78

Spectral Type F5I

Color Index (B-V) 0.72

Temperature 5534K

The red dot in the diagram below shows where HR7988 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7988. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7988 is distant 1,671.79 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 512.82

Distance (light year) 1,671.79

Radial Speed -1 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Henry Draper Catalogue HD198726

SAO Catalogue SAO89216

Hipparcos Catalogue HIP102949

Durchmusterung Catalogue BD+27 3890

General Catalogue of Variable Stars T Vul

Visibility from Your Location

Today's HR7988 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.7° RISE 21:00

Max altitude: 66.9° TRANSIT 5:52

Azimuth: 298.3° SET 14:40

Set Location

Other stars in Vulpecula