We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:18 
Transit: 12:46 
Sunset: 18:13
wb_twilight   (Nautical Twilight)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Boötes » 

44 Boötis

Above the horizon.  Circumpolar today
Alt: 18.21°   Az: 33.48°   Direction: North-North-East

44 Boötis is a variable and double main-sequence star of spectral class F9 in the constellation of Boötes.

44 Boötis visual magnitude is 4.76. Because of its moderate brightness, 44 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 44 Boötis star
DSS2 image of 44 Boötis. The red arrow shows the motion of 44 Boötis during the next 1000 years (-6.78 arcmin in Right Ascension and 0.55 arcmin in declination);

Celestial Coordinates

Apparent

15h 04m 37s
+47° 33’ 31”
15h 23m 44s
06h 28m 21s

J2000

15h 03m 47s
+47° 39’ 15”

Galactic Coordinates

80.36°
57.06°

Finder Chart

Finder chart 44 Boötis star
Simplified finder chart for 44 Boötis.

Magnitude, Color, Spectral Class

4.76
Main-sequence

4.23
F9V
5778K

The red dot in the diagram below shows where 44 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 44 Boötis. Attribution: Richard Powell / CC BY-SA

Star System Properties

44 Boötis is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 44 Boötis double sysyem:

4.76
5.56
0.8
0.7 arcsec

Distance, Radial Speed, Proper Motion

44 Boötis is distant 41.59 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

12.76
41.59
-25 km/s
-0.407 arcsec/y
0.033"/y

Alternative Designations

SAO45357
SAO45357
Gl 575 A

Visibility from Your Location

44 Boötis is circumpolar and transits at 13:42 UTC (altitude: 86.1°)