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: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Columba » 


Altitude: -23.0°   Azimuth: 232.4°   Direction: South-West

HR1827 is a double star in the constellation of Columba.

HR1827 visual magnitude is 5.87. Because of its reltive faintness, HR1827 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 HR1827:


HR1827 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -23.0°
Azimuth: 232.4°
Direction: South-West

Celestial coordinates and finder chart of HR1827

HR1827 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 HR1827 are provided in the following table:

05h 27m 05s
-40° 56’ 36”

The simplified sky map below shows the position of HR1827 in the sky:

Finder chart HR1827 star
Simplified finder chart for HR1827.

Visibility of HR1827 from your location

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

HR1827 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR1827

The image below is a photograph of HR1827 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 HR1827 is 0.011 arcsec per year in Right Ascension and 0.096 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1827 star
DSS2 image of HR1827. The red arrow shows the motion of HR1827 during the next 1000 years (0.18 arcmin in Right Ascension and 1.60 arcmin in declination);

Distance of HR1827 from the Sun and relative movement

HR1827 is distant 309.89 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

95.06 pc
309.89 ly
36 km/s
0.011 arcsec/year
0.096 arcsec/year

Spectral properties of HR1827

HR1827 belongs to spectral class A7


The red dot in the diagram below shows where HR1827 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1827. Attribution: Richard Powell / CC BY-SA

HR1827 star system properties

HR1827 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 HR1827 double sysyem:

20.3 arcsec

Alternative designations of HR1827