HR6557

Below the horizon. Rise: 18:34 | Tran: 22:53 | Set: 3:11

Alt: -9.18° Az: 128.50° Direction: South-East

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.

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);

Celestial Coordinates

Apparent

Right Ascension 17h 39m 11s

Declination -38° 04’ 44”

Hour Angle 18h 44m 08s

Sidereal Time 12h 23m 20s

J2000

Right Ascension 17h 37m 26s

Declination -38° 03’ 56”

Galactic Coordinates

Galactic Longitude 351.34°

Galactic Latitude -3.37°

Finder Chart

Loading map...

Finder chart for HR6557.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.26

Class Supergiant

Absolute magnitude -3.44

Spectral Type G2I

Color Index (B-V) 1.25

Temperature 4213K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 869.57

Distance (light year) 2,834.78

Radial Speed 12 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec 0.026"/y

Alternative Designations

Henry Draper Catalogue HD159633

SAO Catalogue SAO209034

Hipparcos Catalogue HIP86246

Durchmusterung Catalogue CD-3711723

Visibility from Your Location

Today's HR6557 rise, transit and set times from Daruoyan, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 128.1° RISE 18:34

Max altitude: 23.6° TRANSIT 22:53

Azimuth: 231.9° SET 3:11

Name:	Daruoyan, China
Latitude:	28° 16' 59.5" N
Longitude:	120° 36' 50.4" E
Timezone:	Asia/Shanghai

Set Location

Other stars in Scorpius