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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
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Puppis » 


Altitude: -12.3°   Azimuth: 219.9°   Direction: South-West

HR3140 is a giant star in the constellation of Puppis.

HR3140 visual magnitude is 5.24. Because of its reltive faintness, HR3140 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 HR3140:


HR3140 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -12.3°
Azimuth: 219.9°
Direction: South-West

Celestial coordinates and finder chart of HR3140

HR3140 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 HR3140 are provided in the following table:

07h 59m 28s
-39° 17’ 49”

The simplified sky map below shows the position of HR3140 in the sky:

Finder chart HR3140 star
Simplified finder chart for HR3140.

Visibility of HR3140 from your location

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

HR3140 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3140

The image below is a photograph of HR3140 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 HR3140 is -0.082 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3140 star
DSS2 image of HR3140. The red arrow shows the motion of HR3140 during the next 10000 years (-13.67 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of HR3140 from the Sun and relative movement

HR3140 is distant 188.66 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

57.87 pc
188.66 ly
-8 km/s
-0.082 arcsec/year
-0.043 arcsec/year

Spectral properties of HR3140

HR3140 belongs to spectral class F5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3140 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3140. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3140