We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate Now! Help keep this site free and ads-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Orion » 

HR1871

Altitude: -2.4°   Azimuth: 84.7°   Direction: East

HR1871 is a main-sequence star in the constellation of Orion.

HR1871 visual magnitude is 6.59. Because of its reltive faintness, HR1871 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR1871 is 0.009 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1871 star
DSS2 image of HR1871. The red arrow shows the motion of HR1871 during the next 100000 years (15.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Key facts about HR1871

6.59
Main-sequence

HR1871 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -2.4°
Azimuth: 84.7°
Direction: East

Celestial coordinates and finder chart of HR1871

HR1871 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 HR1871 are provided in the following table:

05h 33m 57s
+01° 24’ 28”
202.53°
-16.49°
Orion

The simplified sky map below shows the position of HR1871 in the sky:

Finder chart HR1871 star
Simplified finder chart for HR1871.

Visibility of HR1871 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR1871 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.6°
Max altitude: 39.9°
Azimuth: 271.4°

Distance of HR1871 from the Sun and relative movement

HR1871 is distant 1,325.20 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

406.50 pc
1,325.20 ly
14 km/s
0.009 arcsec/year
0.004 arcsec/year

Spectral properties of HR1871

HR1871 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.

-1.46
B2V
12902K

The red dot in the diagram below shows where HR1871 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1871. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1871

SAO112901
SAO112901