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: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
sunny DaytimeWhat's Visible Now
All Constellations » Auriga » 


Altitude: 43.3°   Azimuth: 280.8°   Direction: West

HR2405 is a variable and double bright giant star in the constellation of Auriga.

HR2405 visual magnitude is 5.29. Because of its reltive faintness, HR2405 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 HR2405:

Bright giant

HR2405 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 43.3°
Azimuth: 280.8°
Direction: West

Celestial coordinates and finder chart of HR2405

HR2405 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2405 are provided in the following table:

06h 36m 32s
+38° 26’ 43”

The simplified sky map below shows the position of HR2405 in the sky:

Finder chart HR2405 star
Simplified finder chart for HR2405.

Visibility of HR2405 from your location

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

Today's HR2405 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.6°
Max altitude: 77.0°
Azimuth: 308.4°

Digitized Sky Survey image of HR2405

The image below is a photograph of HR2405 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 HR2405 is 0.005 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2405 star
DSS2 image of HR2405. The red arrow shows the motion of HR2405 during the next 10000 years (0.83 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR2405 from the Sun and relative movement

HR2405 is distant 1,811.11 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

555.56 pc
1,811.11 ly
12 km/s
0.005 arcsec/year
-0.026 arcsec/year

Spectral properties of HR2405

HR2405 belongs to spectral class C5 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR2405 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2405. Attribution: Richard Powell / CC BY-SA

HR2405 star system properties

HR2405 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2405 double sysyem:

17.9 arcsec

Alternative designations of HR2405