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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: 5:51  
clear_day Transit: 12:57  
SunsetSet: 20:04
sunny DaytimeWhat's Visible Now?
All Constellations » Boötes » 


Altitude: 10.6°   Azimuth: 73.6°   Direction: East-North-East

HR5633 is a double main-sequence star in the constellation of Boötes.

HR5633 visual magnitude is 6.02. Because of its reltive faintness, HR5633 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 HR5633 is 0.043 arcsec per year in Right Ascension and -0.055 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5633 star
DSS2 image of HR5633. The red arrow shows the motion of HR5633 during the next 10000 years (7.17 arcmin in Right Ascension and -9.17 arcmin in declination);

Key facts about HR5633


HR5633 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.6°
Azimuth: 73.6°
Direction: East-North-East

Celestial coordinates and finder chart of HR5633

HR5633 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5633 are provided in the following table:

15h 07m 20s
+18° 26’ 30”

The simplified sky map below shows the position of HR5633 in the sky:

Finder chart HR5633 star
Simplified finder chart for HR5633.

Visibility of HR5633 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 HR5633 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: 71.6°
Max altitude: 57.0°
Azimuth: 288.4°

Distance of HR5633 from the Sun and relative movement

HR5633 is distant 244.19 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

74.91 pc
244.19 ly
-6 km/s
0.043 arcsec/year
-0.055 arcsec/year

Spectral properties of HR5633

HR5633 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR5633 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5633. Attribution: Richard Powell / CC BY-SA

HR5633 star system properties

HR5633 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 HR5633 double sysyem:

0.1 arcsec

Alternative designations of HR5633