Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:59  ☀️ Transit: 12:05  🌅 Sunset: 18:13


HR3907 is a giant star in the constellation of Sextans.

HR3907 visual magnitude is 6.35. Because of its reltive faintness, HR3907 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 HR3907:

HR3907 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 36°.

Celestial coordinates and finder chart of HR3907

HR3907 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 HR3907 are provided in the following table:

09h 52m 11s
+00° 04’ 32”

The simplified sky map below shows the position of HR3907 in the sky:

Finder chart HR3907 star
Simplified finder chart for HR3907.

Visibility of HR3907 from your location

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

Today's HR3907 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.9°
Max altitude: 38.6°
Azimuth: 270.1°
HR3907 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3907

The image below is a photograph of HR3907 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 HR3907 is -0.022 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3907 star
DSS2 image of HR3907. The red arrow shows the motion of HR3907 during the next 10000 years (-3.67 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR3907 from the Sun and relative movement

HR3907 is distant 427.82 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

131.23 pc
427.82 ly
19 km/s
-0.022 arcsec/year
-0.032 arcsec/year

Spectral properties of HR3907

HR3907 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3907 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3907. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3907