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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:14 
Sunset: 17:16
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Taurus » 

HR1099

Above the horizon.  Rise: 11:48 | Tran: 17:50 | Set: 23:51
Alt: 38.99°   Az: 173.20°   Direction: South

HR1099 is a variable and double main-sequence star of spectral class G9 in the constellation of Taurus.

HR1099 visual magnitude is 5.71. Because of its faintness, HR1099 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.

Image of HR1099 star
DSS2 image of HR1099. The red arrow shows the motion of HR1099 during the next 1000 years (-0.43 arcmin in Right Ascension and -2.73 arcmin in declination);

Celestial Coordinates

Apparent

03h 38m 04s
+00° 40’ 09”
23h 38m 52s
03h 16m 57s

J2000

03h 36m 47s
+00° 35’ 16”

Galactic Coordinates

184.91°
-41.57°

Finder Chart

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  Loading map...
Finder chart for HR1099.

Magnitude, Color, Spectral Class

5.71
Main-sequence

3.40
G9V
4943K

The red dot in the diagram below shows where HR1099 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1099. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1099 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1099 double sysyem:

5.71
8.41
2.7
6.6 arcsec

Distance, Radial Speed, Proper Motion

HR1099 is distant 94.44 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

28.97
94.44
-23 km/s
-0.026 arcsec/y
-0.164"/y

Alternative Designations

SAO111291
SAO111291

Visibility from Your Location

Today's HR1099 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.3°
Max altitude: 39.2°
Azimuth: 270.7°