Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR6181

HR6181 is a sub-giant star in the constellation of Hercules.

HR6181 visual magnitude is 6.31. Because of its reltive faintness, HR6181 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 HR6181:

6.31
Sub-giant
HR6181 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 52°.

Celestial coordinates and finder chart of HR6181

HR6181 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 HR6181 are provided in the following table:

16h 37m 47s
+13° 41’ 12”
30.58°
35.73°
Hercules

The simplified sky map below shows the position of HR6181 in the sky:

Finder chart HR6181 star
Simplified finder chart for HR6181.

Visibility of HR6181 from your location

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

Today's HR6181 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.3°
Max altitude: 52.2°
Azimuth: 283.7°
HR6181 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6181

The image below is a photograph of HR6181 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 HR6181 is -0.035 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6181 star
DSS2 image of HR6181. The red arrow shows the motion of HR6181 during the next 10000 years (-5.83 arcmin in Right Ascension and -10.50 arcmin in declination);

Distance of HR6181 from the Sun and relative movement

HR6181 is distant 226.55 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

69.49 pc
226.55 ly
-21 km/s
-0.035 arcsec/year
-0.063 arcsec/year

Spectral properties of HR6181

HR6181 belongs to spectral class F5 and has a luminosity class of IV corresponding to a sub-giant star.

2.10
F5IV
6827K

The red dot in the diagram below shows where HR6181 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6181. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6181

SAO102278
SAO102278