Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:46  
clear_day Transit: 12:56  
SunsetSet: 21:07 south
sunny DaytimeWhat's Visible Now
All Constellations » Scorpius » 


Altitude: -44.6°   Azimuth: 98.8°   Direction: East

HR6613 is a double main-sequence star in the constellation of Scorpius.

HR6613 visual magnitude is 6.43. Because of its reltive faintness, HR6613 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 HR6613:


HR6613 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -44.6°
Azimuth: 98.8°
Direction: East

Celestial coordinates and finder chart of HR6613

HR6613 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6613 are provided in the following table:

17h 47m 07s
-38° 06’ 42”

The simplified sky map below shows the position of HR6613 in the sky:

Finder chart HR6613 star
Simplified finder chart for HR6613.

Visibility of HR6613 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 HR6613 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: 128.1°
Max altitude: 0.4°
Azimuth: 231.9°
HR6613 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6613

The image below is a photograph of HR6613 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 HR6613 is -0.002 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6613 star
DSS2 image of HR6613. The red arrow shows the motion of HR6613 during the next 100000 years (-3.33 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR6613 from the Sun and relative movement

HR6613 is distant 381.29 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

116.96 pc
381.29 ly
1 km/s
-0.002 arcsec/year
-0.007 arcsec/year

Spectral properties of HR6613

HR6613 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6613 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6613. Attribution: Richard Powell / CC BY-SA

HR6613 star system properties

HR6613 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 HR6613 double sysyem:

0.1 arcsec

Alternative designations of HR6613