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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -83.9°   Azimuth: 330.5°   Direction: North-North-West

HR3730 is a variable giant star in the constellation of Vela.

HR3730 visual magnitude is 5.75. Because of its reltive faintness, HR3730 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3730 is 0.004 arcsec per year in Right Ascension and 0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3730 star
DSS2 image of HR3730. The red arrow shows the motion of HR3730 during the next 10000 years (0.67 arcmin in Right Ascension and 4.50 arcmin in declination);

Key facts about HR3730


HR3730 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -83.9°
Azimuth: 330.5°
Direction: North-North-West

Celestial coordinates and finder chart of HR3730

HR3730 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 HR3730 are provided in the following table:

09h 22m 23s
-46° 02’ 50”

The simplified sky map below shows the position of HR3730 in the sky:

Finder chart HR3730 star
Simplified finder chart for HR3730.

Visibility of HR3730 from your location

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

HR3730 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3730 from the Sun and relative movement

HR3730 is distant 569.93 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

174.83 pc
569.93 ly
-7 km/s
0.004 arcsec/year
0.027 arcsec/year

Spectral properties of HR3730

HR3730 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 HR3730 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3730. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3730