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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sunny DaytimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -73.2°   Azimuth: 356.7°   Direction: North

HR1973 is a main-sequence star in the constellation of Columba.

HR1973 visual magnitude is 5.29. Because of its reltive faintness, HR1973 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 HR1973 is -0.008 arcsec per year in Right Ascension and 0.051 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1973 star
DSS2 image of HR1973. The red arrow shows the motion of HR1973 during the next 10000 years (-1.33 arcmin in Right Ascension and 8.50 arcmin in declination);

Key facts about HR1973


HR1973 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -73.2°
Azimuth: 356.7°
Direction: North

Celestial coordinates and finder chart of HR1973

HR1973 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1973 are provided in the following table:

05h 42m 15s
-34° 40’ 04”

The simplified sky map below shows the position of HR1973 in the sky:

Finder chart HR1973 star
Simplified finder chart for HR1973.

Visibility of HR1973 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 HR1973 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: 124.7°
Max altitude: 3.9°
Azimuth: 235.3°

Distance of HR1973 from the Sun and relative movement

HR1973 is distant 362.63 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

111.23 pc
362.63 ly
35 km/s
-0.008 arcsec/year
0.051 arcsec/year

Spectral properties of HR1973

HR1973 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR1973 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1973. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1973