HR7890

Below the horizon. Rise: 16:12 | Tran: 21:59 | Set: 3:49

Alt: -4.96° Az: 272.51° Direction: West

HR7890 is a giant star of spectral class B7 in the constellation of Aquarius.

HR7890 visual magnitude is 6.22. Because of its faintness, HR7890 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 HR7890. The red arrow shows the motion of HR7890 during the next 100000 years (10.00 arcmin in Right Ascension and 15.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 40m 30s

Declination -02° 19’ 27”

Hour Angle 06h 20m 12s

Sideral Time 03h 00m 43s

J2000

Right Ascension 20h 39m 13s

Declination -02° 24’ 46”

Galactic Coordinates

Galactic Longitude 43.67°

Galactic Latitude -24.97°

Finder Chart

Simplified finder chart for HR7890.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.22

Class Giant

Absolute magnitude -1.66

Spectral Type B7III

Color Index (B-V) -0.1

Temperature 11573K

The red dot in the diagram below shows where HR7890 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7890. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7890 is distant 1,230.19 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 377.36

Distance (light year) 1,230.19

Radial Speed -14 km/s

Proper Motion RA 0.006 arcsec/y

Proper Motion Dec 0.009"/y

Alternative Designations

Henry Draper Catalogue HD196712

SAO Catalogue SAO144666

Hipparcos Catalogue HIP101921

Durchmusterung Catalogue BD-02 5328

Visibility from Your Location

Today's HR7890 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 92.3° RISE 16:12

Max altitude: 36.2° TRANSIT 21:59

Azimuth: 267.7° SET 3:49

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Aquarius