Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:00  
clear_day Transit: 12:48  
SunsetSet: 18:34 south
sunny DaytimeWhat's Visible Now
All Constellations » Indus » 


Altitude: -75.8°   Azimuth: 117.0°   Direction: East-South-East

HR8381 is a sub-giant star in the constellation of Indus.

HR8381 visual magnitude is 6.01. Because of its reltive faintness, HR8381 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 HR8381:


HR8381 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -75.8°
Azimuth: 117.0°
Direction: East-South-East

Celestial coordinates and finder chart of HR8381

HR8381 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 HR8381 are provided in the following table:

22h 00m 24s
-55° 52’ 58”

The simplified sky map below shows the position of HR8381 in the sky:

Finder chart HR8381 star
Simplified finder chart for HR8381.

Visibility of HR8381 from your location

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

HR8381 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR8381

The image below is a photograph of HR8381 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 HR8381 is 0.01 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8381 star
DSS2 image of HR8381. The red arrow shows the motion of HR8381 during the next 10000 years (1.67 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of HR8381 from the Sun and relative movement

HR8381 is distant 626.92 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

192.31 pc
626.92 ly
3 km/s
0.01 arcsec/year
0.014 arcsec/year

Spectral properties of HR8381

HR8381 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8381 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8381. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8381