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: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Ara » 


HR6251 is a giant star in the constellation of Ara.

HR6251 visual magnitude is 5.94. Because of its reltive faintness, HR6251 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 HR6251:

HR6251 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR6251

HR6251 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 HR6251 are provided in the following table:

16h 54m 00s
-57° 54’ 33”

The simplified sky map below shows the position of HR6251 in the sky:

Finder chart HR6251 star
Simplified finder chart for HR6251.

Visibility of HR6251 from your location

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

HR6251 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR6251

The image below is a photograph of HR6251 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 HR6251 is -0.032 arcsec per year in Right Ascension and -0.126 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6251 star
DSS2 image of HR6251. The red arrow shows the motion of HR6251 during the next 1000 years (-0.53 arcmin in Right Ascension and -2.10 arcmin in declination);

Distance of HR6251 from the Sun and relative movement

HR6251 is distant 687.76 light years from the Sun and it is moving towards the Sun at the speed of 41 kilometers per second.

210.97 pc
687.76 ly
-41 km/s
-0.032 arcsec/year
-0.126 arcsec/year

Spectral properties of HR6251

HR6251 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6251 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6251. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6251