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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
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Apus » 

HR5555

Altitude: -63.2°   Azimuth: 197.5°   Direction: South-South-West

HR5555 is a double main-sequence star in the constellation of Apus.

HR5555 visual magnitude is 6.2. Because of its reltive faintness, HR5555 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR5555 is -0.006 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5555 star
DSS2 image of HR5555. The red arrow shows the motion of HR5555 during the next 10000 years (-1.00 arcmin in Right Ascension and -2.33 arcmin in declination);

Key facts about HR5555

6.2
Main-sequence

HR5555 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -63.2°
Azimuth: 197.5°
Direction: South-South-West

Celestial coordinates and finder chart of HR5555

HR5555 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 HR5555 are provided in the following table:

14h 59m 56s
-75° 01’ 56”
311.08°
-14.23°
Apus

The simplified sky map below shows the position of HR5555 in the sky:

Finder chart HR5555 star
Simplified finder chart for HR5555.

Visibility of HR5555 from your location

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

HR5555 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR5555 from the Sun and relative movement

HR5555 is distant 529.22 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

162.34 pc
529.22 ly
-3 km/s
-0.006 arcsec/year
-0.014 arcsec/year

Spectral properties of HR5555

HR5555 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

0.15
B9V
10653K

The red dot in the diagram below shows where HR5555 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR5555. Attribution: Richard Powell / CC BY-SA

HR5555 star system properties

HR5555 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 HR5555 double sysyem:

6.2
12.9
6.7
30 arcsec

Alternative designations of HR5555

SAO257219
SAO257219