29 Ophiuchi

Below the horizon. Rise: 12:51 | Tran: 17:07 | Set: 21:24

Alt: -11.77° Az: 254.33° Direction: West-South-West

29 Ophiuchi is a hypergiant star of spectral class K0 in the constellation of Ophiuchus.

29 Ophiuchi visual magnitude is 6.26. Because of its faintness, 29 Ophiuchi 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 29 Ophiuchi. The red arrow shows the motion of 29 Ophiuchi during the next 10000 years (-6.33 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 03m 18s

Declination -18° 55’ 11”

Hour Angle 05h 40m 36s

Sideral Time 22h 43m 55s

J2000

Right Ascension 17h 01m 51s

Declination -18° 53’ 08”

Galactic Coordinates

Galactic Longitude 2.85°

Galactic Latitude 13.88°

Finder Chart

Simplified finder chart for 29 Ophiuchi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.26

Class Hypergiant

Absolute magnitude 0.56

Spectral Type K0III

Color Index (B-V) 1.38

Temperature 3983K

The red dot in the diagram below shows where 29 Ophiuchi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 29 Ophiuchi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

29 Ophiuchi is distant 450.28 light years from the Sun and it is moving far from the Sun at the speed of 44 kilometers per second.

Distance (parsec) 138.12

Distance (light year) 450.28

Radial Speed 44 km/s

Proper Motion RA -0.038 arcsec/y

Proper Motion Dec -0.018"/y

Alternative Designations

Flamsteed designation 29 Ophiuchi

Henry Draper Catalogue HD153727

SAO Catalogue SAO160231

Hipparcos Catalogue HIP83331

Durchmusterung Catalogue BD-18 4381

Visibility from Your Location

Today's 29 Ophiuchi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.9° RISE 12:51

Max altitude: 19.6° TRANSIT 17:07

Azimuth: 251.1° SET 21:24

Set Location

Other stars in Ophiuchus