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🌎  Greenwich, United Kingdom [change]


HR3646 is a main-sequence star in the constellation of Pyxis.

HR3646 visual magnitude is 6.53. Because of its reltive faintness, HR3646 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 HR3646:

HR3646 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR3646

HR3646 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3646 are provided in the following table:

09h 10m 23s
-23° 10’ 36”

The simplified sky map below shows the position of HR3646 in the sky:

Finder chart HR3646 star
Simplified finder chart for HR3646.

Visibility of HR3646 from your location

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

Today's HR3646 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.2°
Max altitude: 15.3°
Azimuth: 246.8°
HR3646 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3646

The image below is a photograph of HR3646 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 HR3646 is -0.029 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3646 star
DSS2 image of HR3646. The red arrow shows the motion of HR3646 during the next 10000 years (-4.83 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR3646 from the Sun and relative movement

HR3646 is distant 415.29 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

127.39 pc
415.29 ly
14 km/s
-0.029 arcsec/year
0.01 arcsec/year

Spectral properties of HR3646

HR3646 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3646 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR3646. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3646