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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 » Sculptor » 


Altitude: -5.2°   Azimuth: 233.4°   Direction: South-West

HR436 is a double giant star in the constellation of Sculptor.

HR436 visual magnitude is 5.93. Because of its reltive faintness, HR436 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 HR436:


HR436 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -5.2°
Azimuth: 233.4°
Direction: South-West

Celestial coordinates and finder chart of HR436

HR436 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 HR436 are provided in the following table:

01h 30m 22s
-26° 12’ 28”

The simplified sky map below shows the position of HR436 in the sky:

Finder chart HR436 star
Simplified finder chart for HR436.

Visibility of HR436 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 HR436 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: 116.2°
Max altitude: 12.3°
Azimuth: 243.8°

Digitized Sky Survey image of HR436

The image below is a photograph of HR436 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 HR436 is 0.045 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR436 star
DSS2 image of HR436. The red arrow shows the motion of HR436 during the next 10000 years (7.50 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR436 from the Sun and relative movement

HR436 is distant 443.54 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

136.05 pc
443.54 ly
-1 km/s
0.045 arcsec/year
0.002 arcsec/year

Spectral properties of HR436

HR436 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR436 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR436. Attribution: Richard Powell / CC BY-SA

HR436 star system properties

HR436 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR436 double sysyem:

2.9 arcsec

Alternative designations of HR436