Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:59  ☀️ Transit: 12:05  🌅 Sunset: 18:13


HR3659 is a variable sub-giant star in the constellation of Carina.

HR3659 visual magnitude is 3.44. Because of its moderate brightness, HR3659 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 HR3659:

HR3659 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR3659

HR3659 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 HR3659 are provided in the following table:

09h 10m 58s
-58° 58’ 00”

The simplified sky map below shows the position of HR3659 in the sky:

Finder chart HR3659 star
Simplified finder chart for HR3659.

Visibility of HR3659 from your location

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

HR3659 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR3659

The image below is a photograph of HR3659 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 HR3659 is -0.026 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3659 star
DSS2 image of HR3659. The red arrow shows the motion of HR3659 during the next 10000 years (-4.33 arcmin in Right Ascension and 1.33 arcmin in declination);

Distance of HR3659 from the Sun and relative movement

HR3659 is distant 418.49 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

128.37 pc
418.49 ly
23 km/s
-0.026 arcsec/year
0.008 arcsec/year

Spectral properties of HR3659

HR3659 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR3659 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3659. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3659