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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 » 

HR5639

Altitude: 7.2°   Azimuth: 77.8°   Direction: East-North-East

HR5639 is a dwarf star in the constellation of Boötes.

HR5639 visual magnitude is 6.1. Because of its reltive faintness, HR5639 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 HR5639 is -0.056 arcsec per year in Right Ascension and 0.064 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5639 star
DSS2 image of HR5639. The red arrow shows the motion of HR5639 during the next 10000 years (-9.33 arcmin in Right Ascension and 10.67 arcmin in declination);

Key facts about HR5639

6.1
Dwarf

HR5639 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.2°
Azimuth: 77.8°
Direction: East-North-East

Celestial coordinates and finder chart of HR5639

HR5639 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 HR5639 are provided in the following table:

15h 08m 53s
+13° 14’ 05”
16.44°
55.04°
Boötes

The simplified sky map below shows the position of HR5639 in the sky:

Finder chart HR5639 star
Simplified finder chart for HR5639.

Visibility of HR5639 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 HR5639 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: 76.8°
Max altitude: 51.8°
Azimuth: 283.2°

Distance of HR5639 from the Sun and relative movement

HR5639 is distant 582.14 light years from the Sun and it is moving towards the Sun at the speed of 49 kilometers per second.

178.57 pc
582.14 ly
-49 km/s
-0.056 arcsec/year
0.064 arcsec/year

Spectral properties of HR5639

HR5639 belongs to spectral class G6

-0.16
G6
4841K

The red dot in the diagram below shows where HR5639 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5639. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5639

SAO101403
SAO101403