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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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All Constellations » Carina » 


Altitude: -64.8°   Azimuth: 234.0°   Direction: South-West

HR3457 is a variable and double giant star in the constellation of Carina.

HR3457 visual magnitude is 4.33. Because of its moderate brightness, HR3457 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 HR3457:


HR3457 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -64.8°
Azimuth: 234.0°
Direction: South-West

Celestial coordinates and finder chart of HR3457

HR3457 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 HR3457 are provided in the following table:

08h 40m 36s
-59° 45’ 39”

The simplified sky map below shows the position of HR3457 in the sky:

Finder chart HR3457 star
Simplified finder chart for HR3457.

Visibility of HR3457 from your location

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

HR3457 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3457

The image below is a photograph of HR3457 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 HR3457 is -0.001 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3457 star
DSS2 image of HR3457. The red arrow shows the motion of HR3457 during the next 100000 years (-1.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR3457 from the Sun and relative movement

HR3457 is distant 1,411.26 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

432.90 pc
1,411.26 ly
13 km/s
-0.001 arcsec/year

Spectral properties of HR3457

HR3457 belongs to spectral class B1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3457 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3457. Attribution: Richard Powell / CC BY-SA

HR3457 star system properties

HR3457 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3457 double sysyem:

15.7 arcsec

Alternative designations of HR3457