Guniibuu - 36 Ophiuchi

Above the horizon. Rise: 15:21 | Tran: 18:44 | Set: 22:06

Alt: 0.23° Az: 223.56° Direction: South-West

Guniibuu, also designated as 36 Ophiuchi , is a multiple hypergiant star of spectral class K0 in the constellation of Ophiuchus.

Guniibuu visual magnitude is 5.07. Because of its faintness, Guniibuu 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 Guniibuu. The red arrow shows the motion of Guniibuu during the next 100 years (-0.82 arcmin in Right Ascension and -1.89 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 16m 52s

Declination -26° 37’ 39”

Hour Angle 03h 21m 44s

Sideral Time 20h 38m 37s

J2000

Right Ascension 17h 15m 20s

Declination -26° 36’ 05”

Galactic Coordinates

Galactic Longitude 358.3°

Galactic Latitude 6.88°

Finder Chart

Simplified finder chart for Guniibuu - 36 Ophiuchi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.07

Class Hypergiant

Absolute magnitude 6.18

Spectral Type K0V

Color Index (B-V) 0.85

Temperature 5134K

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

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

Distance, Radial Speed, Proper Motion

Guniibuu is distant 19.51 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 5.99

Distance (light year) 19.51

Radial Speed -1 km/s

Proper Motion RA -0.491 arcsec/y

Proper Motion Dec -1.133"/y

Alternative Designations

Proper Name Guniibuu

Flamsteed designation 36 Ophiuchi

Henry Draper Catalogue HD155886

SAO Catalogue SAO185198

Durchmusterung Catalogue CD-2612026

Gliese Catalogue Gl 663 A

Aitken Double Star Catalogue ADS10417

Visibility from Your Location

Today's Guniibuu - 36 Ophiuchi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.6° RISE 15:21

Max altitude: 11.9° TRANSIT 18:44

Azimuth: 243.4° SET 22:06

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

Location

Other stars in Ophiuchus