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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Canis Major » 

ξ1 Canis Majoris (xi1 Canis Majoris)

Below the horizon.  Rise: 11:48 | Tran: 15:34 | Set: 19:21
Alt: -14.75°   Az: 109.26°   Direction: East-South-East

ξ1 Canis Majoris is a variable and multiple hypergiant star of spectral class B0 in the constellation of Canis Major.

ξ1 Canis Majoris visual magnitude is 4.33. Because of its moderate brightness, ξ1 Canis Majoris is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ξ1 Canis Majoris (xi1 Canis Majoris) star
DSS2 image of ξ1 Canis Majoris. The red arrow shows the motion of ξ1 Canis Majoris during the next 10000 years (-1.00 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates

Apparent

06h 32m 54s
-23° 26’ 17”
18h 22m 46s
00h 55m 41s

J2000

06h 31m 51s
-23° 25’ 05”

Galactic Coordinates

232.11°
-14.53°

Finder Chart

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Finder chart for ξ1 Canis Majoris (xi1 Canis Majoris).

Magnitude, Color, Spectral Class

4.33
Hypergiant

-4.66
B0IV
14633K

The red dot in the diagram below shows where ξ1 Canis Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ξ1 Canis Majoris. Attribution: Richard Powell / CC BY-SA

Star System Properties

ξ1 Canis Majoris 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 ξ1 Canis Majoris double sysyem:

4.33
13.93
9.6
24.6 arcsec

Distance, Radial Speed, Proper Motion

ξ1 Canis Majoris is distant 2,050.31 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

628.93
2,050.31
27 km/s
-0.006 arcsec/y
0.012"/y

Alternative Designations

ξ1 Canis Majoris
(xi1 Canis Majoris)
4 Canis Majoris
SAO171895
SAO171895

Visibility from Your Location

Today's ξ1 Canis Majoris (xi1 Canis Majoris) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.4°
Max altitude: 15.1°
Azimuth: 246.6°