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: 7:04  
clear_day Transit: 12:47  
SunsetSet: 18:30 south
sunny DaytimeWhat's Visible Now
All Constellations » Ophiuchus » 

HR6941

Altitude: -17.5°   Azimuth: 59.0°   Direction: East-North-East

HR6941 is a multiple main-sequence star in the constellation of Ophiuchus.

HR6941 visual magnitude is 6.69. Because of its reltive faintness, HR6941 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 HR6941:

6.69
Main-sequence

HR6941 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -17.5°
Azimuth: 59.0°
Direction: East-North-East

Celestial coordinates and finder chart of HR6941

HR6941 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 HR6941 are provided in the following table:

18h 30m 05s
+04° 03’ 55”
34.13°
6.6°
Ophiuchus

The simplified sky map below shows the position of HR6941 in the sky:

Finder chart HR6941 star
Simplified finder chart for HR6941.

Visibility of HR6941 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 HR6941 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: 85.9°
Max altitude: 42.6°
Azimuth: 274.1°

Digitized Sky Survey image of HR6941

The image below is a photograph of HR6941 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 HR6941 is 0 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6941 star
DSS2 image of HR6941. The red arrow shows the motion of HR6941 during the next 100000 years (0.00 arcmin in Right Ascension and -15.00 arcmin in declination);

Distance of HR6941 from the Sun and relative movement

HR6941 is distant 2,786.32 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

854.70 pc
2,786.32 ly
-22 km/s
-0.009 arcsec/year

Spectral properties of HR6941

HR6941 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.

-2.97
B2V
8932K

The red dot in the diagram below shows where HR6941 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6941. Attribution: Richard Powell / CC BY-SA

HR6941 star system properties

HR6941 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR6941 double sysyem:

6.69
10.89
4.2
20.1 arcsec

Alternative designations of HR6941

SAO123571
SAO123571