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
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Tucana » 


Altitude: -19.0°   Azimuth: 171.8°   Direction: South

HR8901 is a hypergiant star in the constellation of Tucana.

HR8901 visual magnitude is 5.59. Because of its reltive faintness, HR8901 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR8901 is 0.08 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 HR8901 star
DSS2 image of HR8901. The red arrow shows the motion of HR8901 during the next 10000 years (13.33 arcmin in Right Ascension and -4.00 arcmin in declination);

Key facts about HR8901


HR8901 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -19.0°
Azimuth: 171.8°
Direction: South

Celestial coordinates and finder chart of HR8901

HR8901 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 HR8901 are provided in the following table:

23h 25m 19s
-56° 50’ 57”

The simplified sky map below shows the position of HR8901 in the sky:

Finder chart HR8901 star
Simplified finder chart for HR8901.

Visibility of HR8901 from your location

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

HR8901 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR8901 from the Sun and relative movement

HR8901 is distant 285.46 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

87.57 pc
285.46 ly
-19 km/s
0.08 arcsec/year
-0.024 arcsec/year

Spectral properties of HR8901

HR8901 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8901 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8901. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8901