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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Ophiuchus » 

υ Ophiuchi (upsilon Ophiuchi)

Below the horizon.  Rise: 20:14 | Tran: 1:33 | Set: 6:48
Alt: -25.76°   Az: 290.18°   Direction: West-North-West

υ Ophiuchi is a variable and double star of spectral class A3 in the constellation of Ophiuchus.

υ Ophiuchi visual magnitude is 4.63. Because of its moderate brightness, υ Ophiuchi is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of υ Ophiuchi (upsilon Ophiuchi) star
DSS2 image of υ Ophiuchi. The red arrow shows the motion of υ Ophiuchi during the next 10000 years (-14.50 arcmin in Right Ascension and 3.50 arcmin in declination);

Celestial Coordinates

Apparent

16h 29m 10s
-08° 25’ 35”
08h 05m 09s
00h 34m 20s

J2000

16h 27m 48s
-08° 22’ 18”

Galactic Coordinates

6.74°
26.74°

Finder Chart

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Finder chart for υ Ophiuchi (upsilon Ophiuchi).

Magnitude, Color, Spectral Class

4.63

1.76
A3
8403K

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

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

Star System Properties

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

4.63
7.83
3.2
1.1 arcsec

Distance, Radial Speed, Proper Motion

υ Ophiuchi is distant 122.23 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

37.50
122.23
-31 km/s
-0.087 arcsec/y
0.021"/y

Alternative Designations

υ Ophiuchi
(upsilon Ophiuchi)
SAO141187
SAO141187

Visibility from Your Location

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

Azimuth: 98.4°
Max altitude: 30.1°
Azimuth: 261.6°