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

HR1873

Below the horizon.  Rise: 13:58 | Tran: 19:51 | Set: 1:47
Alt: -38.31°   Az: 342.95°   Direction: North-North-West

HR1873 is a double main-sequence star of spectral class B2 in the constellation of Orion.

HR1873 visual magnitude is 6.22. Because of its faintness, HR1873 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 HR1873 star
DSS2 image of HR1873. The red arrow shows the motion of HR1873 during the next 100000 years (11.67 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

05h 35m 20s
-01° 01’ 12”
11h 06m 47s
16h 42m 07s

J2000

05h 34m 03s
-01° 02’ 08”

Galactic Coordinates

204.79°
-17.64°

Finder Chart

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  Loading map...
Finder chart for HR1873.

Magnitude, Color, Spectral Class

6.22
Main-sequence

-1.68
B2V
12902K

The red dot in the diagram below shows where HR1873 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1873. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1873 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 HR1873 double sysyem:

6.22
11.02
4.8
27.5 arcsec

Distance, Radial Speed, Proper Motion

HR1873 is distant 1,239.54 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

380.23
1,239.54
4 km/s
0.007 arcsec/y
0.001"/y

Alternative Designations

SAO132269
SAO132269

Visibility from Your Location

Today's HR1873 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.0°
Max altitude: 37.5°
Azimuth: 269.0°