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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
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -59.6°   Azimuth: 238.0°   Direction: West-South-West

HR3957 is a bright giant star in the constellation of Carina.

HR3957 visual magnitude is 6.2. Because of its reltive faintness, HR3957 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 HR3957:

Bright giant

HR3957 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -59.6°
Azimuth: 238.0°
Direction: West-South-West

Celestial coordinates and finder chart of HR3957

HR3957 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 HR3957 are provided in the following table:

10h 01m 58s
-57° 20’ 58”

The simplified sky map below shows the position of HR3957 in the sky:

Finder chart HR3957 star
Simplified finder chart for HR3957.

Visibility of HR3957 from your location

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

HR3957 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3957

The image below is a photograph of HR3957 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 HR3957 is -0.041 arcsec per year in Right Ascension and 0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3957 star
DSS2 image of HR3957. The red arrow shows the motion of HR3957 during the next 10000 years (-6.83 arcmin in Right Ascension and 4.50 arcmin in declination);

Distance of HR3957 from the Sun and relative movement

HR3957 is distant 752.89 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

230.95 pc
752.89 ly
7 km/s
-0.041 arcsec/year
0.027 arcsec/year

Spectral properties of HR3957

HR3957 belongs to spectral class K1 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR3957 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3957. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3957