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🌎  Greenwich, United Kingdom [change]

HR3987

HR3987 is a giant star in the constellation of Leo Minor.

HR3987 visual magnitude is 6.32. Because of its reltive faintness, HR3987 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 HR3987:

6.32
Giant
HR3987 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 77°.

Celestial coordinates and finder chart of HR3987

HR3987 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 HR3987 are provided in the following table:

10h 10m 58s
+40° 39’ 41”
180.1°
54.43°
Leo Minor

The simplified sky map below shows the position of HR3987 in the sky:

Finder chart HR3987 star
Simplified finder chart for HR3987.

Visibility of HR3987 from your location

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

HR3987 is circumpolar and transits at 05:41 UTC (altitude: 79.2°)

Digitized Sky Survey image of HR3987

The image below is a photograph of HR3987 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 HR3987 is -0.014 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3987 star
DSS2 image of HR3987. The red arrow shows the motion of HR3987 during the next 10000 years (-2.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR3987 from the Sun and relative movement

HR3987 is distant 595.98 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

182.82 pc
595.98 ly
14 km/s
-0.014 arcsec/year
-0.002 arcsec/year

Spectral properties of HR3987

HR3987 belongs to spectral class K3

0.01
K3
4213K

The red dot in the diagram below shows where HR3987 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3987. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3987

SAO43220
SAO43220