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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: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -37.3°   Azimuth: 216.6°   Direction: South-West

HR3571 is a double bright giant star in the constellation of Carina.

HR3571 visual magnitude is 3.84. Because of its moderate brightness, HR3571 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3571:

Bright giant

HR3571 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -37.3°
Azimuth: 216.6°
Direction: South-West

Celestial coordinates and finder chart of HR3571

HR3571 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 HR3571 are provided in the following table:

08h 55m 02s
-60° 38’ 40”

The simplified sky map below shows the position of HR3571 in the sky:

Finder chart HR3571 star
Simplified finder chart for HR3571.

Visibility of HR3571 from your location

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

HR3571 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3571

The image below is a photograph of HR3571 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 HR3571 is -0.021 arcsec per year in Right Ascension and 0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3571 star
DSS2 image of HR3571. The red arrow shows the motion of HR3571 during the next 10000 years (-3.50 arcmin in Right Ascension and 6.33 arcmin in declination);

Distance of HR3571 from the Sun and relative movement

HR3571 is distant 311.96 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

95.69 pc
311.96 ly
25 km/s
-0.021 arcsec/year
0.038 arcsec/year

Spectral properties of HR3571

HR3571 belongs to spectral class B8 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR3571 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3571. Attribution: Richard Powell / CC BY-SA

HR3571 star system properties

HR3571 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3571 double sysyem:

21.1 arcsec

Alternative designations of HR3571