HR5991

Below the horizon. Rise: 16:36 | Tran: 17:55 | Set: 19:14

Alt: -1.05° Az: 159.95° Direction: South-South-East

HR5991 is a double sub-giant star of spectral class F1 in the constellation of Lupus.

HR5991 visual magnitude is 5.73. Because of its faintness, HR5991 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 HR5991. The red arrow shows the motion of HR5991 during the next 10000 years (11.00 arcmin in Right Ascension and -7.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 08m 54s

Declination -36° 49’ 12”

Hour Angle 22h 18m 35s

Sideral Time 14h 27m 29s

J2000

Right Ascension 16h 07m 16s

Declination -36° 45’ 20”

Galactic Coordinates

Galactic Longitude 340.97°

Galactic Latitude 11.27°

Finder Chart

Simplified finder chart for HR5991.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.73

Class Sub-giant

Absolute magnitude 2.15

Spectral Type F1IV

Color Index (B-V) 0.29

Temperature 7526K

The red dot in the diagram below shows where HR5991 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5991. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5991 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR5991 double sysyem:

Main star magnitude 5.73

Secondary star magnitude 11.73

Magnitude difference 6

Separation 40.7 arcsec

Distance, Radial Speed, Proper Motion

HR5991 is distant 169.61 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

Distance (parsec) 52.03

Distance (light year) 169.61

Radial Speed 26 km/s

Proper Motion RA 0.066 arcsec/y

Proper Motion Dec -0.043"/y

Alternative Designations

Henry Draper Catalogue HD144415

SAO Catalogue SAO207341

Hipparcos Catalogue HIP78970

Durchmusterung Catalogue CD-3610648

Visibility from Your Location

Today's HR5991 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.8° RISE 16:36

Max altitude: 1.7° TRANSIT 17:55

Azimuth: 233.2° SET 19:14

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

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Location

Other stars in Lupus