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: 6:51  
clear_day Transit: 12:50  
SunsetSet: 18:48 south
sleep NighttimeWhat's Visible Now
All Constellations » Scorpius » 


Altitude: -45.3°   Azimuth: 290.0°   Direction: West-North-West

HR5907 is a variable main-sequence star in the constellation of Scorpius.

HR5907 visual magnitude is 5.42. Because of its reltive faintness, HR5907 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 HR5907:


HR5907 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -45.3°
Azimuth: 290.0°
Direction: West-North-West

Celestial coordinates and finder chart of HR5907

HR5907 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 HR5907 are provided in the following table:

15h 53m 55s
-23° 58’ 41”

The simplified sky map below shows the position of HR5907 in the sky:

Finder chart HR5907 star
Simplified finder chart for HR5907.

Visibility of HR5907 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 HR5907 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: 114.0°
Max altitude: 14.5°
Azimuth: 246.0°

Digitized Sky Survey image of HR5907

The image below is a photograph of HR5907 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 HR5907 is -0.015 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5907 star
DSS2 image of HR5907. The red arrow shows the motion of HR5907 during the next 10000 years (-2.50 arcmin in Right Ascension and -4.17 arcmin in declination);

Distance of HR5907 from the Sun and relative movement

HR5907 is distant 392.77 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

120.48 pc
392.77 ly
-9 km/s
-0.015 arcsec/year
-0.025 arcsec/year

Spectral properties of HR5907

HR5907 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR5907 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5907. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5907