HR7888

Above the horizon. Rise: 15:08 | Tran: 2:49 | Set: 14:25

Alt: 24.54° Az: 58.44° Direction: East-North-East

HR7888 is a hypergiant star of spectral class K0 in the constellation of Cygnus.

HR7888 visual magnitude is 6.2. Because of its faintness, HR7888 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 HR7888. The red arrow shows the motion of HR7888 during the next 10000 years (1.67 arcmin in Right Ascension and -7.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 38m 21s

Declination +38° 25’ 07”

Hour Angle 17h 26m 34s

Sidereal Time 14h 04m 55s

J2000

Right Ascension 20h 37m 23s

Declination +38° 19’ 42”

Galactic Coordinates

Galactic Longitude 78.31°

Galactic Latitude -1.64°

Finder Chart

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Finder chart for HR7888.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.2

Class Hypergiant

Absolute magnitude 1.18

Spectral Type K0III

Color Index (B-V) 0.99

Temperature 4767K

The red dot in the diagram below shows where HR7888 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7888. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7888 is distant 328.30 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.

Distance (parsec) 100.70

Distance (light year) 328.30

Radial Speed -37 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.043"/y

Alternative Designations

Henry Draper Catalogue HD196642

SAO Catalogue SAO70288

Hipparcos Catalogue HIP101756

Durchmusterung Catalogue BD+37 4002

Visibility from Your Location

Today's HR7888 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.6° RISE 15:08

Max altitude: 76.9° TRANSIT 2:49

Azimuth: 308.4° SET 14:25

Set Location

Other stars in Cygnus