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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
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Orion » 


Altitude: 17.3°   Azimuth: 225.7°   Direction: South-West

HR2001 is a variable main-sequence star in the constellation of Orion.

HR2001 visual magnitude is 6.03. Because of its reltive faintness, HR2001 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR2001:


HR2001 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 17.3°
Azimuth: 225.7°
Direction: South-West

Celestial coordinates and finder chart of HR2001

HR2001 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 HR2001 are provided in the following table:

05h 47m 26s
-10° 31’ 59”

The simplified sky map below shows the position of HR2001 in the sky:

Finder chart HR2001 star
Simplified finder chart for HR2001.

Visibility of HR2001 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 HR2001 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: 100.5°
Max altitude: 28.0°
Azimuth: 259.5°

Digitized Sky Survey image of HR2001

The image below is a photograph of HR2001 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR2001 is -0.029 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2001 star
DSS2 image of HR2001. The red arrow shows the motion of HR2001 during the next 10000 years (-4.83 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of HR2001 from the Sun and relative movement

HR2001 is distant 653.31 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

200.40 pc
653.31 ly
-1 km/s
-0.029 arcsec/year
-0.024 arcsec/year

Spectral properties of HR2001

HR2001 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR2001 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2001. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2001