Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:59  
clear_day Transit: 12:48  
SunsetSet: 18:36 south
sunny DaytimeWhat's Visible Now
All Constellations » Apus » 


Altitude: -43.2°   Azimuth: 167.0°   Direction: South-South-East

HR5757 is a giant star in the constellation of Apus.

HR5757 visual magnitude is 6.18. Because of its reltive faintness, HR5757 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 HR5757:


HR5757 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -43.2°
Azimuth: 167.0°
Direction: South-South-East

Celestial coordinates and finder chart of HR5757

HR5757 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5757 are provided in the following table:

15h 39m 18s
-77° 55’ 05”

The simplified sky map below shows the position of HR5757 in the sky:

Finder chart HR5757 star
Simplified finder chart for HR5757.

Visibility of HR5757 from your location

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

HR5757 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR5757

The image below is a photograph of HR5757 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 HR5757 is -0.085 arcsec per year in Right Ascension and -0.123 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR5757 star
DSS2 image of HR5757. The red arrow shows the motion of HR5757 during the next 1000 years (-1.42 arcmin in Right Ascension and -2.05 arcmin in declination);

Distance of HR5757 from the Sun and relative movement

HR5757 is distant 339.23 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

104.06 pc
339.23 ly
13 km/s
-0.085 arcsec/year
-0.123 arcsec/year

Spectral properties of HR5757

HR5757 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR5757 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR5757. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5757