Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project, thank you!
🌎  Observing from: Greenwich, United Kingdom [change]


HR3742 is a hypergiant star in the constellation of Carina.

HR3742 visual magnitude is 5.99. Because of its reltive faintness, HR3742 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 HR3742:

HR3742 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR3742

HR3742 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3742 are provided in the following table:

09h 24m 05s
-61° 38’ 56”

The simplified sky map below shows the position of HR3742 in the sky:

Finder chart HR3742 star
Simplified finder chart for HR3742.

Visibility of HR3742 from your location

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

HR3742 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR3742

The image below is a photograph of HR3742 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 HR3742 is 0.016 arcsec per year in Right Ascension and -0.051 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3742 star
DSS2 image of HR3742. The red arrow shows the motion of HR3742 during the next 10000 years (2.67 arcmin in Right Ascension and -8.50 arcmin in declination);

Distance of HR3742 from the Sun and relative movement

HR3742 is distant 337.13 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

103.41 pc
337.13 ly
-8 km/s
0.016 arcsec/year
-0.051 arcsec/year

Spectral properties of HR3742

HR3742 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3742 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3742. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3742