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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Below the horizon.  Rise: 23:49 | Tran: 0:30 | Set: 1:15
Altitude: -65.4°   Azimuth: 291.6°   Direction: West-North-West

HR6557 is a supergiant star of spectral class G2 in the constellation of Scorpius.

HR6557 visual magnitude is 6.26. Because of its faintness, HR6557 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR6557

Finder chart HR6557 star
Simplified finder chart for HR6557.

HR6557 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 HR6557 are provided in the following table:

17h 37m 26s
-38° 03’ 56”
Image of HR6557 star
DSS2 image of HR6557. The red arrow shows the motion of HR6557 during the next 10000 years (-2.17 arcmin in Right Ascension and 4.33 arcmin in declination);

Key facts about HR6557


and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR6557 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6557. Attribution: Richard Powell / CC BY-SA

Distance of HR6557 from the Sun and relative movement

HR6557 is distant 2,834.78 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

869.57 pc
2,834.78 ly
12 km/s
-0.013 arcsec/year
0.026 arcsec/year

Alternative designations of HR6557


Visibility of HR6557 from your location

Today's HR6557 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 128.1°
Max altitude: 0.5°
Azimuth: 231.9°