Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:55  
clear_day Transit: 12:49  
SunsetSet: 18:41 south
sunny DaytimeWhat's Visible Now
All Constellations » Indus » 


Altitude: -60.4°   Azimuth: 118.4°   Direction: East-South-East

HR8271 is a hypergiant star in the constellation of Indus.

HR8271 visual magnitude is 6.33. Because of its reltive faintness, HR8271 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 HR8271:


HR8271 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -60.4°
Azimuth: 118.4°
Direction: East-South-East

Celestial coordinates and finder chart of HR8271

HR8271 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 HR8271 are provided in the following table:

21h 40m 33s
-55° 44’ 14”

The simplified sky map below shows the position of HR8271 in the sky:

Finder chart HR8271 star
Simplified finder chart for HR8271.

Visibility of HR8271 from your location

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

HR8271 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR8271

The image below is a photograph of HR8271 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 HR8271 is 0.01 arcsec per year in Right Ascension and 0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8271 star
DSS2 image of HR8271. The red arrow shows the motion of HR8271 during the next 10000 years (1.67 arcmin in Right Ascension and 3.83 arcmin in declination);

Distance of HR8271 from the Sun and relative movement

HR8271 is distant 693.62 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

212.77 pc
693.62 ly
27 km/s
0.01 arcsec/year
0.023 arcsec/year

Spectral properties of HR8271

HR8271 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8271 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8271. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8271