Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

HR6747

HR6747 is a variable hypergiant star in the constellation of Ophiuchus.

HR6747 visual magnitude is 6.14. Because of its reltive faintness, HR6747 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 HR6747:

6.14
Hypergiant
HR6747 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6747

HR6747 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 HR6747 are provided in the following table:

18h 04m 37s
+01° 55’ 09”
29.27°
11.29°
Ophiuchus

The simplified sky map below shows the position of HR6747 in the sky:

Finder chart HR6747 star
Simplified finder chart for HR6747.

Visibility of HR6747 from your location

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

Today's HR6747 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.1°
Max altitude: 40.4°
Azimuth: 271.9°
HR6747 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6747

The image below is a photograph of HR6747 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 HR6747 is -0.002 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6747 star
DSS2 image of HR6747. The red arrow shows the motion of HR6747 during the next 100000 years (-3.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR6747 from the Sun and relative movement

HR6747 is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
17 km/s
-0.002 arcsec/year
-0.003 arcsec/year

Spectral properties of HR6747

HR6747 belongs to spectral class B0 and has a luminosity class of III corresponding to a hypergiant star.

-23.86
B0III
10125K

The red dot in the diagram below shows where HR6747 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6747. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6747

SAO123090
SAO123090