43 Ophiuchi

Below the horizon. Rise: 22:47 | Tran: 2:01 | Set: 5:11

Alt: -15.50° Az: 244.02° Direction: West-South-West

43 Ophiuchi is a giant star of spectral class K5 in the constellation of Ophiuchus.

43 Ophiuchi visual magnitude is 5.35. Because of its faintness, 43 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 43 Ophiuchi. The red arrow shows the motion of 43 Ophiuchi during the next 10000 years (0.67 arcmin in Right Ascension and -5.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 24m 57s

Declination -28° 09’ 54”

Hour Angle 05h 17m 11s

Sidereal Time 22h 42m 08s

J2000

Right Ascension 17h 23m 21s

Declination -28° 08’ 35”

Galactic Coordinates

Galactic Longitude 358.02°

Galactic Latitude 4.54°

Finder Chart

Loading map...

Finder chart for 43 Ophiuchi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.35

Class Giant

Absolute magnitude -0.97

Spectral Type K5III

Color Index (B-V) 1.55

Temperature 3720K

The red dot in the diagram below shows where 43 Ophiuchi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 43 Ophiuchi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

43 Ophiuchi is distant 599.26 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 183.82

Distance (light year) 599.26

Radial Speed -14 km/s

Proper Motion RA 0.004 arcsec/y

Proper Motion Dec -0.031"/y

Alternative Designations

Flamsteed designation 43 Ophiuchi

Henry Draper Catalogue HD157236

SAO Catalogue SAO185350

Hipparcos Catalogue HIP85084

Durchmusterung Catalogue CD-2813081

Visibility from Your Location

Today's 43 Ophiuchi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.2° RISE 22:47

Max altitude: 10.4° TRANSIT 2:01

Azimuth: 241.8° SET 5:11

Set Location

Other stars in Ophiuchus