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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 6:40 | Tran: 12:33 | Set: 18:26
Altitude: 1.7°   Azimuth: 266.2°   Direction: 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.

Celestial coordinates and finder chart of HR1873

Finder chart HR1873 star
Simplified finder chart for HR1873.

HR1873 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1873 are provided in the following table:

05h 34m 03s
-01° 02’ 08”
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);

Key facts about HR1873


and has a luminosity class of V corresponding to a main-sequence star.


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

HR1873 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:

27.5 arcsec

Distance of HR1873 from the Sun and relative movement

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 pc
1,239.54 ly
4 km/s
0.007 arcsec/year
0.001 arcsec/year

Alternative designations of HR1873


Visibility of HR1873 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°