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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
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -46.0°   Azimuth: 138.4°   Direction: South-East

HR3728 is a giant star in the constellation of Carina.

HR3728 visual magnitude is 4.81. Because of its moderate brightness, HR3728 should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of HR3728 is -0.013 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 HR3728 star
DSS2 image of HR3728. The red arrow shows the motion of HR3728 during the next 10000 years (-2.17 arcmin in Right Ascension and 0.33 arcmin in declination);

Key facts about HR3728


HR3728 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -46.0°
Azimuth: 138.4°
Direction: South-East

Celestial coordinates and finder chart of HR3728

HR3728 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 HR3728 are provided in the following table:

09h 20m 56s
-62° 24’ 16”

The simplified sky map below shows the position of HR3728 in the sky:

Finder chart HR3728 star
Simplified finder chart for HR3728.

Visibility of HR3728 from your location

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

HR3728 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3728 from the Sun and relative movement

HR3728 is distant 222.53 light years from the Sun and it is moving far from the Sun at the speed of 51 kilometers per second.

68.26 pc
222.53 ly
51 km/s
-0.013 arcsec/year
0.002 arcsec/year

Spectral properties of HR3728

HR3728 belongs to spectral class G6 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3728 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3728. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3728