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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:04 
Transit: 13:06 
Sunset: 21:07
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All Constellations » Boötes » 

ρ Boötis (rho Boötis)

Below the horizon.  Rise: 10:44 | Tran: 19:49 | Set: 4:59
Alt: -2.94°   Az: 28.99°   Direction: North-North-East

ρ Boötis is a variable and double giant star of spectral class K3 in the constellation of Boötes.

ρ Boötis visual magnitude is 3.58. Because of its moderate brightness, ρ Boötis 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 ρ Boötis (rho Boötis) star
DSS2 image of ρ Boötis. The red arrow shows the motion of ρ Boötis during the next 1000 years (-1.67 arcmin in Right Ascension and 1.98 arcmin in declination);

Celestial Coordinates

Apparent

14h 32m 56s
+30° 15’ 34”
14h 16m 18s
04h 49m 14s

J2000

14h 31m 49s
+30° 22’ 17”

Galactic Coordinates

47.29°
67.8°

Finder Chart

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Finder chart for ρ Boötis (rho Boötis).

Magnitude, Color, Spectral Class

3.58
Giant

0.28
K3III
4121K

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

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

Star System Properties

ρ Boötis 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 ρ Boötis double sysyem:

3.58
11.78
8.2
42.2 arcsec

Distance, Radial Speed, Proper Motion

ρ Boötis is distant 148.72 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

45.62
148.72
-14 km/s
-0.1 arcsec/y
0.119"/y

Alternative Designations

ρ Boötis
(rho Boötis)
SAO64202
SAO64202

Visibility from Your Location

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

Azimuth: 59.7°
Max altitude: 68.8°
Azimuth: 300.3°