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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: 5:51  
clear_day Transit: 12:57  
SunsetSet: 20:04
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All Constellations » Vela » 

HR3872

Altitude: -16.5°   Azimuth: 158.9°   Direction: South-South-East

HR3872 is a variable and double main-sequence star in the constellation of Vela.

HR3872 visual magnitude is 6.15. Because of its reltive faintness, HR3872 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 HR3872 is -0.024 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3872 star
DSS2 image of HR3872. The red arrow shows the motion of HR3872 during the next 10000 years (-4.00 arcmin in Right Ascension and -0.67 arcmin in declination);

Key facts about HR3872

6.15
Main-sequence

HR3872 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.5°
Azimuth: 158.9°
Direction: South-South-East

Celestial coordinates and finder chart of HR3872

HR3872 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 HR3872 are provided in the following table:

09h 43m 27s
-51° 13’ 41”
275.67°
1.41°
Vela

The simplified sky map below shows the position of HR3872 in the sky:

Finder chart HR3872 star
Simplified finder chart for HR3872.

Visibility of HR3872 from your location

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

HR3872 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3872 from the Sun and relative movement

HR3872 is distant 1,364.02 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

418.41 pc
1,364.02 ly
-23 km/s
-0.024 arcsec/year
-0.004 arcsec/year

Spectral properties of HR3872

HR3872 belongs to spectral class B6 and has a luminosity class of V corresponding to a main-sequence star.

-1.96
B6V
11573K

The red dot in the diagram below shows where HR3872 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3872. Attribution: Richard Powell / CC BY-SA

HR3872 star system properties

HR3872 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR3872 double sysyem:

6.15
10.85
4.7
2.1 arcsec

Alternative designations of HR3872

SAO237260
SAO237260