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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: 7:50  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: -1.2°   Azimuth: 0.5°   Direction: North

HR556 is a multiple giant star in the constellation of Andromeda.

HR556 visual magnitude is 5.89. Because of its reltive faintness, HR556 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 HR556:


HR556 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.2°
Azimuth: 0.5°
Direction: North

Celestial coordinates and finder chart of HR556

HR556 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR556 are provided in the following table:

01h 55m 54s
+37° 16’ 40”

The simplified sky map below shows the position of HR556 in the sky:

Finder chart HR556 star
Simplified finder chart for HR556.

Visibility of HR556 from your location

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

Today's HR556 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.7°
Max altitude: 75.8°
Azimuth: 307.3°

Digitized Sky Survey image of HR556

The image below is a photograph of HR556 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 HR556 is 0.004 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR556 star
DSS2 image of HR556. The red arrow shows the motion of HR556 during the next 100000 years (6.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR556 from the Sun and relative movement

HR556 is distant 990.88 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

303.95 pc
990.88 ly
7 km/s
0.004 arcsec/year
-0.003 arcsec/year

Spectral properties of HR556

HR556 belongs to spectral class M0


The red dot in the diagram below shows where HR556 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR556. Attribution: Richard Powell / CC BY-SA

HR556 star system properties

HR556 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR556 double sysyem:

190.4 arcsec

Alternative designations of HR556